X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.utils.datastructures%2Fsrc%2Forg%2Fsimantics%2Futils%2Fdatastructures%2FValueUtils.java;fp=bundles%2Forg.simantics.utils.datastructures%2Fsrc%2Forg%2Fsimantics%2Futils%2Fdatastructures%2FValueUtils.java;h=fd41134d16339e0f0cf1cd65264bf1e639993e22;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=0c0dc0dc6b6dcd32c99fb152bca3de68f61fabf6;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/ValueUtils.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/ValueUtils.java
index 0c0dc0dc6..fd41134d1 100644
--- a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/ValueUtils.java
+++ b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/ValueUtils.java
@@ -1,1683 +1,1683 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.utils.datastructures;
-
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.IOException;
-import java.lang.reflect.Array;
-import java.security.InvalidParameterException;
-import java.util.Arrays;
-import java.util.Calendar;
-
-/**
- * Object type casting tools.
- * 
- * @author Toni Kalajainen
- * @author Hannu Niemistö
- */
-public class ValueUtils {
-
-    /**
-     * Convert double value to a number class.
-     * 
-     * @param value
-     * @param numberClass
-     * @return
-     * @throws ClassCastException
-     */
-    public static Number doubleToNumberClass(double value, Class<? extends Number> numberClass)
-    throws ClassCastException
-    {
-        if (numberClass==Integer.class)
-            return (int)value;
-        if (numberClass==Byte.class)
-            return (byte)value;
-        if (numberClass==Float.class)
-            return (float)value;
-        if (numberClass==Short.class)
-            return (short)value;
-        if (numberClass==Long.class)
-            return (long)value;
-        if (numberClass==Double.class)
-            return (double)value;
-        throw new ClassCastException("Cannot convert to "+numberClass.getName());
-    }
-
-    /**
-     * Possible object types:
-     * 
-     */
-
-    static final Boolean True = new Boolean(true);
-    static final Boolean False = new Boolean(false);
-
-    public static void serialize(DataOutput stream, Object obj) throws IOException {
-        try {
-            Class<?> clazz = obj.getClass();
-            if(clazz.isArray()) {
-                if(obj instanceof double[]) {
-                    double[] array = (double[])obj;
-                    stream.writeByte(16);
-                    stream.writeInt(array.length);
-                    for(double v : array)
-                        stream.writeDouble(v);
-                }
-                else if(obj instanceof float[]) {
-                    float[] array = (float[])obj;
-                    stream.writeByte(15);
-                    stream.writeInt(array.length);
-                    for(float v : array)
-                        stream.writeFloat(v);
-                }
-                else if(obj instanceof int[]) {
-                    int[] array = (int[])obj;
-                    stream.writeByte(13);
-                    stream.writeInt(array.length);
-                    for(int v : array)
-                        stream.writeInt(v);
-                }
-                else if(obj instanceof String[]) {
-                    String[] array = (String[])obj;
-                    stream.writeByte(17);
-                    stream.writeInt(array.length);
-                    for(String v : array)
-                        stream.writeUTF(v);
-                }
-                else if(obj instanceof boolean[]) {
-                    boolean[] array = (boolean[])obj;
-                    stream.writeByte(11);
-                    stream.writeInt(array.length);
-                    for(boolean v : array)
-                        stream.writeByte(v ? (byte)1 : (byte)0);
-                }
-                else if(obj instanceof byte[]) {
-                    byte[] array = (byte[])obj;
-                    stream.writeByte(12);
-                    stream.writeInt(array.length);
-                    for(byte v : array)
-                        stream.writeByte(v);
-                }
-                else if(obj instanceof long[]) {
-                    long[] array = (long[])obj;
-                    stream.writeByte(14);
-                    stream.writeInt(array.length);
-                    for(long v : array)
-                        stream.writeLong(v);
-                }
-                else {
-                    System.out.println("ValueUtils.serialize failed (invalid type).");
-                    throw new InvalidParameterException();
-                }
-            }
-            else {
-                if(clazz == Double.class) {
-                    stream.writeByte(6);
-                    stream.writeDouble((Double)obj);
-                }
-                else if(clazz == Float.class) {
-                    stream.writeByte(5);
-                    stream.writeDouble((Float)obj);
-                }
-                else if(clazz == Integer.class) {
-                    stream.writeByte(3);
-                    stream.writeInt((Integer)obj);
-                }
-                else if(clazz == String.class) {
-                    stream.writeByte(7);
-                    stream.writeUTF((String)obj);
-                }
-                else if(clazz == Boolean.class) {
-                    stream.writeByte((Boolean)obj ? 1 : 0);
-                }
-                else if(clazz == Byte.class) {
-                    stream.writeByte(2);
-                    stream.writeByte((Byte)obj);
-                }
-                else if(clazz == Long.class) {
-                    stream.writeByte(4);
-                    stream.writeLong((Long)obj);
-                }
-                else {
-                    System.out.println("ValueUtils.serialize failed (invalid type).");
-                    throw new InvalidParameterException();
-                }
-            }
-        } catch(IOException e) {
-            System.out.println("ValueUtils.serialize failed (write failure).");
-            e.printStackTrace();
-            throw e;
-        }
-    }
-
-    public static Object deserialize(DataInput stream) throws IOException {
-        try {
-            byte typeCode = stream.readByte();
-            switch(typeCode) {
-                case 0: return False;
-                case 1: return True;
-                case 2: return stream.readByte();
-                case 3: return stream.readInt();
-                case 4: return stream.readLong();
-                case 5: return stream.readFloat();
-                case 6: return stream.readDouble();
-                case 7: return stream.readUTF();
-
-                case 11: {
-                    int length = stream.readInt();
-                    boolean[] value = new boolean[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readByte() != 0;
-                    return value;
-                }
-                case 12: {
-                    int length = stream.readInt();
-                    byte[] value = new byte[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readByte();
-                    return value;
-                }
-                case 13: {
-                    int length = stream.readInt();
-                    int[] value = new int[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readInt();
-                    return value;
-                }
-                case 14: {
-                    int length = stream.readInt();
-                    long[] value = new long[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readLong();
-                    return value;
-                }
-                case 15: {
-                    int length = stream.readInt();
-                    float[] value = new float[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readFloat();
-                    return value;
-                }
-                case 16: {
-                    int length = stream.readInt();
-                    double[] value = new double[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readDouble();
-                    return value;
-                }
-                case 17: {
-                    int length = stream.readInt();
-                    String[] value = new String[length];
-                    for(int i=0;i<length;++i)
-                        value[i] = stream.readUTF();
-                    return value;
-                }
-
-            }
-
-            System.out.println("ValueUtils.deserialize failed (invalid type code).");
-            throw new IOException("Invalid value data.");
-        } catch(IOException e) {
-            System.out.println("ValueUtils.deserialize failed (reading failure).");
-            e.printStackTrace();
-            throw e;
-        }
-    }
-
-
-
-
-
-
-    /**
-     * is object an array type
-     * @param obj the object
-     * @return true if it is object array (Integer[], Short[], ect)
-     */
-    public static boolean isArray(Object obj) {
-        return obj.getClass().isArray();
-    }
-
-    /**
-     * Get the array length
-     * @param obj object
-     * @return the length
-     */
-    public static int getArrayLength(Object obj) {
-        return Array.getLength(obj);
-    }
-
-    /**
-     * Type casts an array to double.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static double[] toDoubleArray(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            double scalar = toDoubleScalar(obj);
-            return new double[] {scalar};
-        }
-        int len = getArrayLength(obj);
-        double[] result = new double[len];
-        // TODO add support for int[] double[] float[], ect..
-        if (obj instanceof Calendar[])
-        {
-            Calendar[] array = (Calendar[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].getTimeInMillis();
-            return result;
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].doubleValue();
-            return result;
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].doubleValue();
-            return result;
-        }
-        if (obj instanceof double[])
-        {
-            return (double[])obj;
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].doubleValue();
-            return result;
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].doubleValue();
-            return result;
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].doubleValue();
-            return result;
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].doubleValue();
-            return result;
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            for (int i=0; i<len; i++)
-                try {
-                    result[i] = new Double(array[i]);
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-                return result;
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i].booleanValue()?1:0);
-            return result;
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i]?1:0);
-            return result;
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-    /**
-     * Type casts an object to long.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static double toDoubleScalar(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            if (obj instanceof Number)
-                return ((Number)obj).doubleValue();
-            if (obj instanceof Calendar)
-                return ((Calendar) obj).getTimeInMillis();
-            if (obj instanceof String)
-            {
-                String str = (String) obj;
-                try {
-                    Double d = new Double(str);
-                    return d.doubleValue();
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-            }
-            if (obj instanceof Boolean) {
-                return (((Boolean)obj).booleanValue())?1:0;
-            }
-            throw new TypeCastException(obj.getClass());
-        }
-        int len = getArrayLength(obj);
-        if (len!=1)
-            throw new TypeCastException("Expected length of array is 1");
-
-        if (obj instanceof double[])
-        {
-            return ((double[])obj)[0];
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Calendar[])
-        {
-            Calendar[] array = (Calendar[]) obj;
-            return array[0].getTimeInMillis();
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            return array[0].doubleValue();
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            return array[0].doubleValue();
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            return array[0].doubleValue();
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            return array[0].doubleValue();
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            return array[0].doubleValue();
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            return array[0].doubleValue();
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            return array[0];
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            try {
-                return new Double(array[0]);
-            } catch (NumberFormatException e) {
-                throw new TypeCastException(obj.getClass());
-            }
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            return (array[0].booleanValue()?1:0);
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            return (array[0]?1:0);
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-
-    /**
-     * Type casts an array to float.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static float[] toFloatArray(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            float scalar = toFloatScalar(obj);
-            return new float[] {scalar};
-        }
-        int len = getArrayLength(obj);
-        float[] result = new float[len];
-        // TODO add support for int[] float[] float[], ect..
-        if (obj instanceof Calendar[])
-        {
-            Calendar[] array = (Calendar[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].getTimeInMillis();
-            return result;
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].floatValue();
-            return result;
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].floatValue();
-            return result;
-        }
-        if (obj instanceof float[])
-        {
-            return (float[])obj;
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].floatValue();
-            return result;
-        }
-        if (obj instanceof double[])
-        {
-            double[] array = (double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (float)array[i];
-            return result;
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].floatValue();
-            return result;
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].floatValue();
-            return result;
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].floatValue();
-            return result;
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            for (int i=0; i<len; i++)
-                try {
-                    result[i] = new Float(array[i]);
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-                return result;
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i].booleanValue()?1:0);
-            return result;
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i]?1:0);
-            return result;
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-    /**
-     * Type casts an object to float.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static float toFloatScalar(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            if (obj instanceof Number)
-                return ((Number)obj).floatValue();
-            if (obj instanceof Calendar)
-                return ((Calendar) obj).getTimeInMillis();
-            if (obj instanceof String)
-            {
-                String str = (String) obj;
-                try {
-                    Float d = new Float(str);
-                    return d.floatValue();
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-            }
-            if (obj instanceof Boolean) {
-                return (((Boolean)obj).booleanValue())?1:0;
-            }
-            throw new TypeCastException(obj.getClass());
-        }
-        int len = getArrayLength(obj);
-        if (len!=1)
-            throw new TypeCastException("Expected length of array is 1");
-
-        if (obj instanceof float[])
-        {
-            return ((float[])obj)[0];
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Calendar[])
-        {
-            Calendar[] array = (Calendar[]) obj;
-            return array[0].getTimeInMillis();
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            return array[0].floatValue();
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            return array[0].floatValue();
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            return array[0].floatValue();
-        }
-        if (obj instanceof double[])
-        {
-            double[] array = (double[]) obj;
-            return (float)array[0];
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            return array[0].floatValue();
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            return array[0].floatValue();
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            return array[0].floatValue();
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            return array[0];
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            try {
-                return new Float(array[0]);
-            } catch (NumberFormatException e) {
-                throw new TypeCastException(obj.getClass());
-            }
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            return (array[0].booleanValue()?1:0);
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            return (array[0]?1:0);
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-
-    /**
-     * Type casts an object to long.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static long toLongScalar(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            if (obj instanceof Number)
-                return ((Number)obj).longValue();
-            if (obj instanceof Calendar)
-                return ((Calendar) obj).getTimeInMillis();
-            if (obj instanceof String)
-            {
-                String str = (String) obj;
-                try {
-                    Long d = new Long(str);
-                    return d.longValue();
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-            }
-            if (obj instanceof Boolean) {
-                return (((Boolean)obj).booleanValue())?1:0;
-            }
-            throw new TypeCastException(obj.getClass());
-        }
-        int len = getArrayLength(obj);
-        if (len!=1)
-            throw new TypeCastException("Expected length of array is 1");
-
-        if (obj instanceof double[])
-        {
-            return ((long[])obj)[0];
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Calendar[])
-        {
-            Calendar[] array = (Calendar[]) obj;
-            return array[0].getTimeInMillis();
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            return array[0].longValue();
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            return array[0].longValue();
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            return array[0].longValue();
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            return (long)array[0];
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            return array[0].longValue();
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            return array[0].longValue();
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            return array[0].longValue();
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            return array[0];
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            try {
-                return new Long(array[0]);
-            } catch (NumberFormatException e) {
-                throw new TypeCastException(obj.getClass());
-            }
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            return (array[0].booleanValue()?1:0);
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            return (array[0]?1:0);
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-    /**
-     * Type casts an array to long.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static long[] toLongArray(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            long scalar = toLongScalar(obj);
-            return new long[] {scalar};
-        }
-        int len = getArrayLength(obj);
-        long[] result = new long[len];
-        // TODO add support for int[] long[] float[], ect..
-        if (obj instanceof Calendar[])
-        {
-            Calendar[] array = (Calendar[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].getTimeInMillis();
-            return result;
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].longValue();
-            return result;
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].longValue();
-            return result;
-        }
-        if (obj instanceof long[])
-        {
-            return (long[])obj;
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].longValue();
-            return result;
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (long)array[i];
-            return result;
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].longValue();
-            return result;
-        }
-        if (obj instanceof double[])
-        {
-            double[] array = (double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (long)array[i];
-            return result;
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].longValue();
-            return result;
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].longValue();
-            return result;
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            for (int i=0; i<len; i++)
-                try {
-                    result[i] = new Long(array[i]);
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-                return result;
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i].booleanValue()?1:0);
-            return result;
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i]?1:0);
-            return result;
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-
-
-
-
-
-    /**
-     * Type casts an object to int.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static int toIntegerScalar(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            if (obj instanceof Number)
-                return ((Number)obj).intValue();
-            if (obj instanceof String)
-            {
-                String str = (String) obj;
-                try {
-                    Integer d = new Integer(str);
-                    return d.intValue();
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-            }
-            if (obj instanceof Boolean) {
-                return (((Boolean)obj).booleanValue())?1:0;
-            }
-            throw new TypeCastException(obj.getClass());
-        }
-        int len = getArrayLength(obj);
-        if (len!=1)
-            throw new TypeCastException("Expected length of array is 1");
-
-        if (obj instanceof double[])
-        {
-            return ((int[])obj)[0];
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            return array[0].intValue();
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            return array[0].intValue();
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            return array[0].intValue();
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            return (int)array[0];
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            return array[0].intValue();
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            return (int)array[0];
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            return array[0].intValue();
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            return array[0];
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            return array[0].intValue();
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            return array[0];
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            try {
-                return new Integer(array[0]);
-            } catch (NumberFormatException e) {
-                throw new TypeCastException(obj.getClass());
-            }
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            return (array[0].booleanValue()?1:0);
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            return (array[0]?1:0);
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-    /**
-     * Type casts an array to int.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static int[] toIntegerArray(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            int scalar = toIntegerScalar(obj);
-            return new int[] {scalar};
-        }
-        int len = getArrayLength(obj);
-        int[] result = new int[len];
-        // TODO add support for int[] int[] float[], ect..
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].intValue();
-            return result;
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (int)array[i];
-            return result;
-        }
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].intValue();
-            return result;
-        }
-        if (obj instanceof int[])
-        {
-            return (int[])obj;
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].intValue();
-            return result;
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (int)array[i];
-            return result;
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].intValue();
-            return result;
-        }
-        if (obj instanceof double[])
-        {
-            double[] array = (double[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (int)array[i];
-            return result;
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].intValue();
-            return result;
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].intValue();
-            return result;
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i];
-            return result;
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            for (int i=0; i<len; i++)
-                try {
-                    result[i] = new Integer(array[i]);
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-                return result;
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i].booleanValue()?1:0);
-            return result;
-        }
-        if (obj instanceof boolean[])
-        {
-            boolean[] array = (boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = (array[i]?1:0);
-            return result;
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-
-
-
-    /**
-     * Type casts an array to boolean.
-     *
-     * 0 is converted to false, 1 is converted to true, others throw TypeCastException
-     * 
-     * @return type casted value
-     * @throws TypeCastException
-     */
-    public static boolean[] toBooleanArray(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            boolean scalar = toBooleanScalar(obj);
-            return new boolean[] {scalar};
-        }
-        int len = getArrayLength(obj);
-        boolean[] result = new boolean[len];
-        if (obj instanceof Integer[])
-        {
-            Integer[] array = (Integer[]) obj;
-            for (int i=0; i<len; i++) {
-                int value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof int[])
-        {
-            int[] array = (int[]) obj;
-            for (int i=0; i<len; i++) {
-                int value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            for (int i=0; i<len; i++)
-                result[i] = array[i].booleanValue();
-            return result;
-        }
-        if (obj instanceof boolean[])
-        {
-            return (boolean[])obj;
-        }
-        if (obj instanceof Float[])
-        {
-            Float[] array = (Float[]) obj;
-            for (int i=0; i<len; i++) {
-                float value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof float[])
-        {
-            float[] array = (float[]) obj;
-            for (int i=0; i<len; i++) {
-                float value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof Long[])
-        {
-            Long[] array = (Long[]) obj;
-            for (int i=0; i<len; i++) {
-                long value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof long[])
-        {
-            long[] array = (long[]) obj;
-            for (int i=0; i<len; i++) {
-                long value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof Short[])
-        {
-            Short[] array = (Short[]) obj;
-            for (int i=0; i<len; i++) {
-                short value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof short[])
-        {
-            short[] array = (short[]) obj;
-            for (int i=0; i<len; i++) {
-                short value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte[] array = (Byte[]) obj;
-            for (int i=0; i<len; i++) {
-                byte value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof byte[])
-        {
-            byte[] array = (byte[]) obj;
-            for (int i=0; i<len; i++) {
-                byte value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            for (int i=0; i<len; i++)
-                try {
-                    result[i] = new Boolean(array[i]);
-                } catch (NumberFormatException e) {
-                    throw new TypeCastException(obj.getClass());
-                }
-                return result;
-        }
-        if (obj instanceof Double[])
-        {
-            Double[] array = (Double[]) obj;
-            for (int i=0; i<len; i++) {
-                double value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        if (obj instanceof double[])
-        {
-            double[] array = (double[]) obj;
-            for (int i=0; i<len; i++) {
-                double value = array[i];
-                if (value==0) result[i] = false;
-                else if (value==1) result[i] = true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            return result;
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-    /**
-     * Type casts an object to long.
-     * 
-     * String types are attempted to be converted. If string
-     * doesn't represent numeric value, 0 will be returned
-     * 
-     * boolean types return 0/1, for false/true respectively
-     * 
-     * @return type casted value
-     */
-    public static boolean toBooleanScalar(Object obj)
-    throws TypeCastException
-    {
-        if (!isArray(obj)) {
-            if (obj instanceof Boolean) {
-                return ((Boolean)obj).booleanValue();
-            }
-            if (obj instanceof Byte) {
-                byte value = (Byte)obj;
-                if (value==0) return false;
-                else if (value==1) return true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            if (obj instanceof Short) {
-                short value = (Short)obj;
-                if (value==0) return false;
-                else if (value==1) return true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            if (obj instanceof Integer) {
-                int value = (Integer)obj;
-                if (value==0) return false;
-                else if (value==1) return true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            if (obj instanceof Long) {
-                long value = (Long)obj;
-                if (value==0) return false;
-                else if (value==1) return true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            if (obj instanceof Float) {
-                float value = (Float)obj;
-                if (value==0) return false;
-                else if (value==1) return true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            if (obj instanceof Double) {
-                double value = (Double)obj;
-                if (value==0) return false;
-                else if (value==1) return true;
-                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            if (obj instanceof String) {
-                String value = (String)obj;
-                if (value.equals("true") || value.equals("1")) return true;
-                if (value.equals("false") || value.equals("0")) return false;
-                throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-            }
-            throw new TypeCastException(obj.getClass());
-        }
-        int len = getArrayLength(obj);
-        if (len!=1)
-            throw new TypeCastException("Expected length of array is 1");
-
-        if (obj instanceof boolean[])
-        {
-            return ((boolean[])obj)[0];
-        }
-        if (obj instanceof Boolean[])
-        {
-            Boolean[] array = (Boolean[]) obj;
-            return array[0].booleanValue();
-        }
-        if (obj instanceof int[])
-        {
-            int value = ((int[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof Integer[])
-        {
-            int value = ((Integer[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof Float[])
-        {
-            float value = ((Float[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof float[])
-        {
-            float value = ((float[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof Long[])
-        {
-            long value = ((Long[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof long[])
-        {
-            long value = ((long[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof Short[])
-        {
-            Short value = ((Short[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof short[])
-        {
-            short value = ((short[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof Byte[])
-        {
-            Byte value = ((Byte[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof byte[])
-        {
-            byte value = ((byte[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof String[])
-        {
-            String[] array = (String[]) obj;
-            String value = array[0];
-            if (value.equals("true") || value.equals("1")) return true;
-            if (value.equals("false") || value.equals("0")) return false;
-            throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof Double[])
-        {
-            double value = ((Double[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        if (obj instanceof double[])
-        {
-            double value = ((double[])obj)[0];
-            if (value==0) return false;
-            else if (value==1) return true;
-            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
-        }
-        throw new TypeCastException(obj.getClass());
-    }
-
-
-    @SuppressWarnings("unchecked")
-    public static <T> T adaptToClass(Object obj, Class<T> clazz)
-    throws TypeCastException
-    {
-        if (clazz.equals(double[].class))
-            return (T) toDoubleArray(obj);
-        if (clazz.equals(Double.class))
-            return (T) new Double(toDoubleScalar(obj));
-
-        if (clazz.equals(float[].class))
-            return (T) toFloatArray(obj);
-        if (clazz.equals(Float.class))
-            return (T) new Float(toFloatScalar(obj));
-
-        if (clazz.equals(long[].class))
-            return (T) toLongArray(obj);
-        if (clazz.equals(Long.class))
-            return (T) new Long(toLongScalar(obj));
-
-        if (clazz.equals(int[].class))
-            return (T) toIntegerArray(obj);
-        if (clazz.equals(Integer.class))
-            return (T) new Integer(toIntegerScalar(obj));
-
-        if (clazz.equals(boolean[].class))
-            return (T) toBooleanArray(obj);
-        if (clazz.equals(Boolean.class))
-            return (T) new Long(toLongScalar(obj));
-
-        throw new TypeCastException("Unsupported conversion type from "+obj.getClass()+" to "+clazz);
-    }
-
-
-
-    public static String toString(Object obj) {
-        if (obj instanceof Object[]) {
-            return Arrays.toString((Object[])obj);
-        }
-        if (obj instanceof double[]) return Arrays.toString((double[])obj);
-        if (obj instanceof boolean[]) return Arrays.toString((boolean[])obj);
-        if (obj instanceof byte[]) return Arrays.toString((byte[])obj);
-        if (obj instanceof char[]) return Arrays.toString((char[])obj);
-        if (obj instanceof float[]) return Arrays.toString((float[])obj);
-        if (obj instanceof int[]) return Arrays.toString((int[])obj);
-        if (obj instanceof long[]) return Arrays.toString((long[])obj);
-        if (obj instanceof short[]) return Arrays.toString((short[])obj);
-        return obj.toString();
-    }
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.utils.datastructures;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.lang.reflect.Array;
+import java.security.InvalidParameterException;
+import java.util.Arrays;
+import java.util.Calendar;
+
+/**
+ * Object type casting tools.
+ * 
+ * @author Toni Kalajainen
+ * @author Hannu Niemist&ouml;
+ */
+public class ValueUtils {
+
+    /**
+     * Convert double value to a number class.
+     * 
+     * @param value
+     * @param numberClass
+     * @return
+     * @throws ClassCastException
+     */
+    public static Number doubleToNumberClass(double value, Class<? extends Number> numberClass)
+    throws ClassCastException
+    {
+        if (numberClass==Integer.class)
+            return (int)value;
+        if (numberClass==Byte.class)
+            return (byte)value;
+        if (numberClass==Float.class)
+            return (float)value;
+        if (numberClass==Short.class)
+            return (short)value;
+        if (numberClass==Long.class)
+            return (long)value;
+        if (numberClass==Double.class)
+            return (double)value;
+        throw new ClassCastException("Cannot convert to "+numberClass.getName());
+    }
+
+    /**
+     * Possible object types:
+     * 
+     */
+
+    static final Boolean True = new Boolean(true);
+    static final Boolean False = new Boolean(false);
+
+    public static void serialize(DataOutput stream, Object obj) throws IOException {
+        try {
+            Class<?> clazz = obj.getClass();
+            if(clazz.isArray()) {
+                if(obj instanceof double[]) {
+                    double[] array = (double[])obj;
+                    stream.writeByte(16);
+                    stream.writeInt(array.length);
+                    for(double v : array)
+                        stream.writeDouble(v);
+                }
+                else if(obj instanceof float[]) {
+                    float[] array = (float[])obj;
+                    stream.writeByte(15);
+                    stream.writeInt(array.length);
+                    for(float v : array)
+                        stream.writeFloat(v);
+                }
+                else if(obj instanceof int[]) {
+                    int[] array = (int[])obj;
+                    stream.writeByte(13);
+                    stream.writeInt(array.length);
+                    for(int v : array)
+                        stream.writeInt(v);
+                }
+                else if(obj instanceof String[]) {
+                    String[] array = (String[])obj;
+                    stream.writeByte(17);
+                    stream.writeInt(array.length);
+                    for(String v : array)
+                        stream.writeUTF(v);
+                }
+                else if(obj instanceof boolean[]) {
+                    boolean[] array = (boolean[])obj;
+                    stream.writeByte(11);
+                    stream.writeInt(array.length);
+                    for(boolean v : array)
+                        stream.writeByte(v ? (byte)1 : (byte)0);
+                }
+                else if(obj instanceof byte[]) {
+                    byte[] array = (byte[])obj;
+                    stream.writeByte(12);
+                    stream.writeInt(array.length);
+                    for(byte v : array)
+                        stream.writeByte(v);
+                }
+                else if(obj instanceof long[]) {
+                    long[] array = (long[])obj;
+                    stream.writeByte(14);
+                    stream.writeInt(array.length);
+                    for(long v : array)
+                        stream.writeLong(v);
+                }
+                else {
+                    System.out.println("ValueUtils.serialize failed (invalid type).");
+                    throw new InvalidParameterException();
+                }
+            }
+            else {
+                if(clazz == Double.class) {
+                    stream.writeByte(6);
+                    stream.writeDouble((Double)obj);
+                }
+                else if(clazz == Float.class) {
+                    stream.writeByte(5);
+                    stream.writeDouble((Float)obj);
+                }
+                else if(clazz == Integer.class) {
+                    stream.writeByte(3);
+                    stream.writeInt((Integer)obj);
+                }
+                else if(clazz == String.class) {
+                    stream.writeByte(7);
+                    stream.writeUTF((String)obj);
+                }
+                else if(clazz == Boolean.class) {
+                    stream.writeByte((Boolean)obj ? 1 : 0);
+                }
+                else if(clazz == Byte.class) {
+                    stream.writeByte(2);
+                    stream.writeByte((Byte)obj);
+                }
+                else if(clazz == Long.class) {
+                    stream.writeByte(4);
+                    stream.writeLong((Long)obj);
+                }
+                else {
+                    System.out.println("ValueUtils.serialize failed (invalid type).");
+                    throw new InvalidParameterException();
+                }
+            }
+        } catch(IOException e) {
+            System.out.println("ValueUtils.serialize failed (write failure).");
+            e.printStackTrace();
+            throw e;
+        }
+    }
+
+    public static Object deserialize(DataInput stream) throws IOException {
+        try {
+            byte typeCode = stream.readByte();
+            switch(typeCode) {
+                case 0: return False;
+                case 1: return True;
+                case 2: return stream.readByte();
+                case 3: return stream.readInt();
+                case 4: return stream.readLong();
+                case 5: return stream.readFloat();
+                case 6: return stream.readDouble();
+                case 7: return stream.readUTF();
+
+                case 11: {
+                    int length = stream.readInt();
+                    boolean[] value = new boolean[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readByte() != 0;
+                    return value;
+                }
+                case 12: {
+                    int length = stream.readInt();
+                    byte[] value = new byte[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readByte();
+                    return value;
+                }
+                case 13: {
+                    int length = stream.readInt();
+                    int[] value = new int[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readInt();
+                    return value;
+                }
+                case 14: {
+                    int length = stream.readInt();
+                    long[] value = new long[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readLong();
+                    return value;
+                }
+                case 15: {
+                    int length = stream.readInt();
+                    float[] value = new float[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readFloat();
+                    return value;
+                }
+                case 16: {
+                    int length = stream.readInt();
+                    double[] value = new double[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readDouble();
+                    return value;
+                }
+                case 17: {
+                    int length = stream.readInt();
+                    String[] value = new String[length];
+                    for(int i=0;i<length;++i)
+                        value[i] = stream.readUTF();
+                    return value;
+                }
+
+            }
+
+            System.out.println("ValueUtils.deserialize failed (invalid type code).");
+            throw new IOException("Invalid value data.");
+        } catch(IOException e) {
+            System.out.println("ValueUtils.deserialize failed (reading failure).");
+            e.printStackTrace();
+            throw e;
+        }
+    }
+
+
+
+
+
+
+    /**
+     * is object an array type
+     * @param obj the object
+     * @return true if it is object array (Integer[], Short[], ect)
+     */
+    public static boolean isArray(Object obj) {
+        return obj.getClass().isArray();
+    }
+
+    /**
+     * Get the array length
+     * @param obj object
+     * @return the length
+     */
+    public static int getArrayLength(Object obj) {
+        return Array.getLength(obj);
+    }
+
+    /**
+     * Type casts an array to double.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static double[] toDoubleArray(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            double scalar = toDoubleScalar(obj);
+            return new double[] {scalar};
+        }
+        int len = getArrayLength(obj);
+        double[] result = new double[len];
+        // TODO add support for int[] double[] float[], ect..
+        if (obj instanceof Calendar[])
+        {
+            Calendar[] array = (Calendar[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].getTimeInMillis();
+            return result;
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].doubleValue();
+            return result;
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].doubleValue();
+            return result;
+        }
+        if (obj instanceof double[])
+        {
+            return (double[])obj;
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].doubleValue();
+            return result;
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].doubleValue();
+            return result;
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].doubleValue();
+            return result;
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].doubleValue();
+            return result;
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            for (int i=0; i<len; i++)
+                try {
+                    result[i] = new Double(array[i]);
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+                return result;
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i].booleanValue()?1:0);
+            return result;
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i]?1:0);
+            return result;
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+    /**
+     * Type casts an object to long.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static double toDoubleScalar(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            if (obj instanceof Number)
+                return ((Number)obj).doubleValue();
+            if (obj instanceof Calendar)
+                return ((Calendar) obj).getTimeInMillis();
+            if (obj instanceof String)
+            {
+                String str = (String) obj;
+                try {
+                    Double d = new Double(str);
+                    return d.doubleValue();
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+            }
+            if (obj instanceof Boolean) {
+                return (((Boolean)obj).booleanValue())?1:0;
+            }
+            throw new TypeCastException(obj.getClass());
+        }
+        int len = getArrayLength(obj);
+        if (len!=1)
+            throw new TypeCastException("Expected length of array is 1");
+
+        if (obj instanceof double[])
+        {
+            return ((double[])obj)[0];
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Calendar[])
+        {
+            Calendar[] array = (Calendar[]) obj;
+            return array[0].getTimeInMillis();
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            return array[0].doubleValue();
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            return array[0].doubleValue();
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            return array[0].doubleValue();
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            return array[0].doubleValue();
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            return array[0].doubleValue();
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            return array[0].doubleValue();
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            return array[0];
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            try {
+                return new Double(array[0]);
+            } catch (NumberFormatException e) {
+                throw new TypeCastException(obj.getClass());
+            }
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            return (array[0].booleanValue()?1:0);
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            return (array[0]?1:0);
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+
+    /**
+     * Type casts an array to float.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static float[] toFloatArray(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            float scalar = toFloatScalar(obj);
+            return new float[] {scalar};
+        }
+        int len = getArrayLength(obj);
+        float[] result = new float[len];
+        // TODO add support for int[] float[] float[], ect..
+        if (obj instanceof Calendar[])
+        {
+            Calendar[] array = (Calendar[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].getTimeInMillis();
+            return result;
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].floatValue();
+            return result;
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].floatValue();
+            return result;
+        }
+        if (obj instanceof float[])
+        {
+            return (float[])obj;
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].floatValue();
+            return result;
+        }
+        if (obj instanceof double[])
+        {
+            double[] array = (double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (float)array[i];
+            return result;
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].floatValue();
+            return result;
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].floatValue();
+            return result;
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].floatValue();
+            return result;
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            for (int i=0; i<len; i++)
+                try {
+                    result[i] = new Float(array[i]);
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+                return result;
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i].booleanValue()?1:0);
+            return result;
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i]?1:0);
+            return result;
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+    /**
+     * Type casts an object to float.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static float toFloatScalar(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            if (obj instanceof Number)
+                return ((Number)obj).floatValue();
+            if (obj instanceof Calendar)
+                return ((Calendar) obj).getTimeInMillis();
+            if (obj instanceof String)
+            {
+                String str = (String) obj;
+                try {
+                    Float d = new Float(str);
+                    return d.floatValue();
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+            }
+            if (obj instanceof Boolean) {
+                return (((Boolean)obj).booleanValue())?1:0;
+            }
+            throw new TypeCastException(obj.getClass());
+        }
+        int len = getArrayLength(obj);
+        if (len!=1)
+            throw new TypeCastException("Expected length of array is 1");
+
+        if (obj instanceof float[])
+        {
+            return ((float[])obj)[0];
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Calendar[])
+        {
+            Calendar[] array = (Calendar[]) obj;
+            return array[0].getTimeInMillis();
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            return array[0].floatValue();
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            return array[0].floatValue();
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            return array[0].floatValue();
+        }
+        if (obj instanceof double[])
+        {
+            double[] array = (double[]) obj;
+            return (float)array[0];
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            return array[0].floatValue();
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            return array[0].floatValue();
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            return array[0].floatValue();
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            return array[0];
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            try {
+                return new Float(array[0]);
+            } catch (NumberFormatException e) {
+                throw new TypeCastException(obj.getClass());
+            }
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            return (array[0].booleanValue()?1:0);
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            return (array[0]?1:0);
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+
+    /**
+     * Type casts an object to long.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static long toLongScalar(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            if (obj instanceof Number)
+                return ((Number)obj).longValue();
+            if (obj instanceof Calendar)
+                return ((Calendar) obj).getTimeInMillis();
+            if (obj instanceof String)
+            {
+                String str = (String) obj;
+                try {
+                    Long d = new Long(str);
+                    return d.longValue();
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+            }
+            if (obj instanceof Boolean) {
+                return (((Boolean)obj).booleanValue())?1:0;
+            }
+            throw new TypeCastException(obj.getClass());
+        }
+        int len = getArrayLength(obj);
+        if (len!=1)
+            throw new TypeCastException("Expected length of array is 1");
+
+        if (obj instanceof double[])
+        {
+            return ((long[])obj)[0];
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Calendar[])
+        {
+            Calendar[] array = (Calendar[]) obj;
+            return array[0].getTimeInMillis();
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            return array[0].longValue();
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            return array[0].longValue();
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            return array[0].longValue();
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            return (long)array[0];
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            return array[0].longValue();
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            return array[0].longValue();
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            return array[0].longValue();
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            return array[0];
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            try {
+                return new Long(array[0]);
+            } catch (NumberFormatException e) {
+                throw new TypeCastException(obj.getClass());
+            }
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            return (array[0].booleanValue()?1:0);
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            return (array[0]?1:0);
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+    /**
+     * Type casts an array to long.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static long[] toLongArray(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            long scalar = toLongScalar(obj);
+            return new long[] {scalar};
+        }
+        int len = getArrayLength(obj);
+        long[] result = new long[len];
+        // TODO add support for int[] long[] float[], ect..
+        if (obj instanceof Calendar[])
+        {
+            Calendar[] array = (Calendar[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].getTimeInMillis();
+            return result;
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].longValue();
+            return result;
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].longValue();
+            return result;
+        }
+        if (obj instanceof long[])
+        {
+            return (long[])obj;
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].longValue();
+            return result;
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (long)array[i];
+            return result;
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].longValue();
+            return result;
+        }
+        if (obj instanceof double[])
+        {
+            double[] array = (double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (long)array[i];
+            return result;
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].longValue();
+            return result;
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].longValue();
+            return result;
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            for (int i=0; i<len; i++)
+                try {
+                    result[i] = new Long(array[i]);
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+                return result;
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i].booleanValue()?1:0);
+            return result;
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i]?1:0);
+            return result;
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+
+
+
+
+
+    /**
+     * Type casts an object to int.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static int toIntegerScalar(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            if (obj instanceof Number)
+                return ((Number)obj).intValue();
+            if (obj instanceof String)
+            {
+                String str = (String) obj;
+                try {
+                    Integer d = new Integer(str);
+                    return d.intValue();
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+            }
+            if (obj instanceof Boolean) {
+                return (((Boolean)obj).booleanValue())?1:0;
+            }
+            throw new TypeCastException(obj.getClass());
+        }
+        int len = getArrayLength(obj);
+        if (len!=1)
+            throw new TypeCastException("Expected length of array is 1");
+
+        if (obj instanceof double[])
+        {
+            return ((int[])obj)[0];
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            return array[0].intValue();
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            return array[0].intValue();
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            return array[0].intValue();
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            return (int)array[0];
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            return array[0].intValue();
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            return (int)array[0];
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            return array[0].intValue();
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            return array[0];
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            return array[0].intValue();
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            return array[0];
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            try {
+                return new Integer(array[0]);
+            } catch (NumberFormatException e) {
+                throw new TypeCastException(obj.getClass());
+            }
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            return (array[0].booleanValue()?1:0);
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            return (array[0]?1:0);
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+    /**
+     * Type casts an array to int.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static int[] toIntegerArray(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            int scalar = toIntegerScalar(obj);
+            return new int[] {scalar};
+        }
+        int len = getArrayLength(obj);
+        int[] result = new int[len];
+        // TODO add support for int[] int[] float[], ect..
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].intValue();
+            return result;
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (int)array[i];
+            return result;
+        }
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].intValue();
+            return result;
+        }
+        if (obj instanceof int[])
+        {
+            return (int[])obj;
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].intValue();
+            return result;
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (int)array[i];
+            return result;
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].intValue();
+            return result;
+        }
+        if (obj instanceof double[])
+        {
+            double[] array = (double[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (int)array[i];
+            return result;
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].intValue();
+            return result;
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].intValue();
+            return result;
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i];
+            return result;
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            for (int i=0; i<len; i++)
+                try {
+                    result[i] = new Integer(array[i]);
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+                return result;
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i].booleanValue()?1:0);
+            return result;
+        }
+        if (obj instanceof boolean[])
+        {
+            boolean[] array = (boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = (array[i]?1:0);
+            return result;
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+
+
+
+    /**
+     * Type casts an array to boolean.
+     *
+     * 0 is converted to false, 1 is converted to true, others throw TypeCastException
+     * 
+     * @return type casted value
+     * @throws TypeCastException
+     */
+    public static boolean[] toBooleanArray(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            boolean scalar = toBooleanScalar(obj);
+            return new boolean[] {scalar};
+        }
+        int len = getArrayLength(obj);
+        boolean[] result = new boolean[len];
+        if (obj instanceof Integer[])
+        {
+            Integer[] array = (Integer[]) obj;
+            for (int i=0; i<len; i++) {
+                int value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof int[])
+        {
+            int[] array = (int[]) obj;
+            for (int i=0; i<len; i++) {
+                int value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            for (int i=0; i<len; i++)
+                result[i] = array[i].booleanValue();
+            return result;
+        }
+        if (obj instanceof boolean[])
+        {
+            return (boolean[])obj;
+        }
+        if (obj instanceof Float[])
+        {
+            Float[] array = (Float[]) obj;
+            for (int i=0; i<len; i++) {
+                float value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof float[])
+        {
+            float[] array = (float[]) obj;
+            for (int i=0; i<len; i++) {
+                float value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof Long[])
+        {
+            Long[] array = (Long[]) obj;
+            for (int i=0; i<len; i++) {
+                long value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof long[])
+        {
+            long[] array = (long[]) obj;
+            for (int i=0; i<len; i++) {
+                long value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof Short[])
+        {
+            Short[] array = (Short[]) obj;
+            for (int i=0; i<len; i++) {
+                short value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof short[])
+        {
+            short[] array = (short[]) obj;
+            for (int i=0; i<len; i++) {
+                short value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte[] array = (Byte[]) obj;
+            for (int i=0; i<len; i++) {
+                byte value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof byte[])
+        {
+            byte[] array = (byte[]) obj;
+            for (int i=0; i<len; i++) {
+                byte value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            for (int i=0; i<len; i++)
+                try {
+                    result[i] = new Boolean(array[i]);
+                } catch (NumberFormatException e) {
+                    throw new TypeCastException(obj.getClass());
+                }
+                return result;
+        }
+        if (obj instanceof Double[])
+        {
+            Double[] array = (Double[]) obj;
+            for (int i=0; i<len; i++) {
+                double value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        if (obj instanceof double[])
+        {
+            double[] array = (double[]) obj;
+            for (int i=0; i<len; i++) {
+                double value = array[i];
+                if (value==0) result[i] = false;
+                else if (value==1) result[i] = true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            return result;
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+    /**
+     * Type casts an object to long.
+     * 
+     * String types are attempted to be converted. If string
+     * doesn't represent numeric value, 0 will be returned
+     * 
+     * boolean types return 0/1, for false/true respectively
+     * 
+     * @return type casted value
+     */
+    public static boolean toBooleanScalar(Object obj)
+    throws TypeCastException
+    {
+        if (!isArray(obj)) {
+            if (obj instanceof Boolean) {
+                return ((Boolean)obj).booleanValue();
+            }
+            if (obj instanceof Byte) {
+                byte value = (Byte)obj;
+                if (value==0) return false;
+                else if (value==1) return true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            if (obj instanceof Short) {
+                short value = (Short)obj;
+                if (value==0) return false;
+                else if (value==1) return true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            if (obj instanceof Integer) {
+                int value = (Integer)obj;
+                if (value==0) return false;
+                else if (value==1) return true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            if (obj instanceof Long) {
+                long value = (Long)obj;
+                if (value==0) return false;
+                else if (value==1) return true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            if (obj instanceof Float) {
+                float value = (Float)obj;
+                if (value==0) return false;
+                else if (value==1) return true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            if (obj instanceof Double) {
+                double value = (Double)obj;
+                if (value==0) return false;
+                else if (value==1) return true;
+                else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            if (obj instanceof String) {
+                String value = (String)obj;
+                if (value.equals("true") || value.equals("1")) return true;
+                if (value.equals("false") || value.equals("0")) return false;
+                throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+            }
+            throw new TypeCastException(obj.getClass());
+        }
+        int len = getArrayLength(obj);
+        if (len!=1)
+            throw new TypeCastException("Expected length of array is 1");
+
+        if (obj instanceof boolean[])
+        {
+            return ((boolean[])obj)[0];
+        }
+        if (obj instanceof Boolean[])
+        {
+            Boolean[] array = (Boolean[]) obj;
+            return array[0].booleanValue();
+        }
+        if (obj instanceof int[])
+        {
+            int value = ((int[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof Integer[])
+        {
+            int value = ((Integer[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof Float[])
+        {
+            float value = ((Float[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof float[])
+        {
+            float value = ((float[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof Long[])
+        {
+            long value = ((Long[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof long[])
+        {
+            long value = ((long[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof Short[])
+        {
+            Short value = ((Short[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof short[])
+        {
+            short value = ((short[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof Byte[])
+        {
+            Byte value = ((Byte[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof byte[])
+        {
+            byte value = ((byte[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof String[])
+        {
+            String[] array = (String[]) obj;
+            String value = array[0];
+            if (value.equals("true") || value.equals("1")) return true;
+            if (value.equals("false") || value.equals("0")) return false;
+            throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof Double[])
+        {
+            double value = ((Double[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        if (obj instanceof double[])
+        {
+            double value = ((double[])obj)[0];
+            if (value==0) return false;
+            else if (value==1) return true;
+            else throw new TypeCastException("Cannot convert "+value+" to boolean value - 0 or 1 is expected");
+        }
+        throw new TypeCastException(obj.getClass());
+    }
+
+
+    @SuppressWarnings("unchecked")
+    public static <T> T adaptToClass(Object obj, Class<T> clazz)
+    throws TypeCastException
+    {
+        if (clazz.equals(double[].class))
+            return (T) toDoubleArray(obj);
+        if (clazz.equals(Double.class))
+            return (T) new Double(toDoubleScalar(obj));
+
+        if (clazz.equals(float[].class))
+            return (T) toFloatArray(obj);
+        if (clazz.equals(Float.class))
+            return (T) new Float(toFloatScalar(obj));
+
+        if (clazz.equals(long[].class))
+            return (T) toLongArray(obj);
+        if (clazz.equals(Long.class))
+            return (T) new Long(toLongScalar(obj));
+
+        if (clazz.equals(int[].class))
+            return (T) toIntegerArray(obj);
+        if (clazz.equals(Integer.class))
+            return (T) new Integer(toIntegerScalar(obj));
+
+        if (clazz.equals(boolean[].class))
+            return (T) toBooleanArray(obj);
+        if (clazz.equals(Boolean.class))
+            return (T) new Long(toLongScalar(obj));
+
+        throw new TypeCastException("Unsupported conversion type from "+obj.getClass()+" to "+clazz);
+    }
+
+
+
+    public static String toString(Object obj) {
+        if (obj instanceof Object[]) {
+            return Arrays.toString((Object[])obj);
+        }
+        if (obj instanceof double[]) return Arrays.toString((double[])obj);
+        if (obj instanceof boolean[]) return Arrays.toString((boolean[])obj);
+        if (obj instanceof byte[]) return Arrays.toString((byte[])obj);
+        if (obj instanceof char[]) return Arrays.toString((char[])obj);
+        if (obj instanceof float[]) return Arrays.toString((float[])obj);
+        if (obj instanceof int[]) return Arrays.toString((int[])obj);
+        if (obj instanceof long[]) return Arrays.toString((long[])obj);
+        if (obj instanceof short[]) return Arrays.toString((short[])obj);
+        return obj.toString();
+    }
+}