1 /*******************************************************************************
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2 * Copyright (c) 2010 Association for Decentralized Information Management in
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.databoard.binding.impl;
14 import java.lang.reflect.Array;
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15 import java.util.IdentityHashMap;
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16 import java.util.Iterator;
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17 import java.util.Set;
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19 import org.simantics.databoard.binding.ArrayBinding;
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20 import org.simantics.databoard.binding.Binding;
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21 import org.simantics.databoard.binding.StringBinding;
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22 import org.simantics.databoard.binding.error.BindingException;
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23 import org.simantics.databoard.binding.error.UnsupportedOperationException;
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24 import org.simantics.databoard.type.ArrayType;
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25 import org.simantics.databoard.type.StringType;
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26 import org.simantics.databoard.util.IdentityPair;
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29 * Binds String[] type to String[] class.
31 public final class StringArrayBinding extends ArrayBinding {
33 public static StringArrayBinding createFrom(ArrayType type)
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35 return new StringArrayBinding(type, new StringBindingDefault((StringType) type.componentType));
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38 public StringArrayBinding(ArrayType type, Binding componentBinding)
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40 super(type, componentBinding);
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44 public Object create() {
49 public Object create(int length, Iterator<Object> values) {
50 String[] array = new String[length];
51 for(int i=0;i<length;++i)
52 array[i] = (String)values.next();
57 public void readFrom(Binding srcBinding, Object src, Object dst)
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58 throws BindingException {
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60 ArrayBinding sb = (ArrayBinding) srcBinding;
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61 // Src Component Binding
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62 StringBinding scb = (StringBinding) sb.getComponentBinding();
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64 String[] d = (String[]) dst;
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65 if (d.length != sb.size(src)) throw new BindingException("String[] is length immutable");
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67 for (int i=0; i<d.length; i++) {
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68 d[i] = scb.getValue( sb.get(src, i) );
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73 * Create an array object.
74 * Note! The argument is consumed (is used in the result).
77 * @return an object that contains the array
79 public Object create(String[] array) {
83 public Object create(Object[] values) {
84 String[] result = new String[values.length];
85 for (int i=0; i<values.length; i++)
86 result[i] = (String) values[i];
92 public Object get(Object array, int index) throws BindingException {
93 if (!isInstance(array)) throw new BindingException("Unexpected class "+array.getClass().getSimpleName()+", String[] expected");
94 return ((String[])array)[index];
98 public void getAll(Object array, Object[] result) throws BindingException {
99 String[] a = (String[])array;
100 for (int i=0; i<a.length; i++)
105 public void set(Object array, int index, Object value)
106 throws BindingException {
107 String[] a = (String[])array;
108 a[index] = (String) value;
112 public int size(Object array) throws BindingException {
113 if (!isInstance(array)) throw new BindingException("Unexpected class "+array.getClass().getSimpleName()+", String[] expected");
114 return ((String[])array).length;
118 public boolean isInstance(Object obj) {
119 return obj instanceof String[];
123 public boolean isImmutable() {
127 public String[] getArray(Object array) throws BindingException {
128 if (!isInstance(array)) throw new BindingException("Unexpected class "+array.getClass().getSimpleName()+", String[] expected");
129 return (String[]) array;
133 public int deepHashValue(Object value, IdentityHashMap<Object, Object> hashedObjects) throws BindingException {
135 String[] array = (String[]) value;
136 for (int i=0; i<array.length; i++) {
137 String element = array[i];
138 result = 31*result + element.hashCode();
144 public int deepCompare(Object o1, Object o2,
145 Set<IdentityPair<Object, Object>> compareHistory)
146 throws BindingException {
147 String[] a1 = (String[]) o1;
148 String[] a2 = (String[]) o2;
153 if (dif!=0) return dif;
155 for (int i=0; i<l1; i++) {
158 dif = v1.compareTo(v2);
159 if (dif!=0) return dif;
165 public void add(Object array, int index, Object element)
166 throws BindingException, IndexOutOfBoundsException {
167 throw new UnsupportedOperationException();
171 public void remove(Object array, int index, int count) throws BindingException {
172 throw new UnsupportedOperationException();
176 public void setSize(Object array, int newSize) throws BindingException {
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177 int oldSize = Array.getLength(array);
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178 if (oldSize==newSize) return;
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179 throw new BindingException("String[] is length immutable");
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183 public boolean isResizable() {
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