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