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.Iterator;
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17 import org.simantics.databoard.Bindings;
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18 import org.simantics.databoard.adapter.AdaptException;
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19 import org.simantics.databoard.adapter.Adapter;
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20 import org.simantics.databoard.adapter.AdapterConstructionException;
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21 import org.simantics.databoard.binding.ArrayBinding;
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22 import org.simantics.databoard.binding.Binding;
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23 import org.simantics.databoard.binding.error.BindingException;
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24 import org.simantics.databoard.type.ArrayType;
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29 * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
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31 public class ObjectArrayBinding extends ArrayBinding {
33 public ObjectArrayBinding(ArrayType type, Binding componentBinding) {
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34 super(type, componentBinding);
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36 throw new IllegalArgumentException("null arg");
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40 public ObjectArrayBinding(Binding componentBinding) {
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41 this(new ArrayType(componentBinding.type()), componentBinding);
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45 public Object create(int length, Iterator<Object> values) {
46 Object[] array = new Object[length];
47 for (int i = 0; i < length; ++i)
48 array[i] = values.next();
53 public Object create() {
57 public Object create(Object[] values) {
58 return values.clone();
62 public void readFrom(Binding srcBinding, Object src, Object dst)
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63 throws BindingException {
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65 ArrayBinding sb = (ArrayBinding) srcBinding;
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66 // Src Component Binding
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67 Binding scb = sb.getComponentBinding();
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68 // Dst component binding
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69 Binding dcb = getComponentBinding();
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71 Object[] d = (Object[]) dst;
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72 if (d.length != sb.size(src)) throw new BindingException("Object[] is length immutable");
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74 for (int i=0; i<d.length; i++) {
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75 Object sc = sb.get(src, i);
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77 d[i] = dcb.readFromTry(scb, sc, dc);
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82 public Object readFromTry(Binding srcBinding, Object src, Object dst) throws BindingException {
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84 ArrayBinding sb = (ArrayBinding) srcBinding;
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85 // Src Component Binding
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86 Binding scb = sb.getComponentBinding();
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87 // Dst component binding
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88 Binding dcb = getComponentBinding();
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90 Object[] d = (Object[]) dst;
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91 int srcSize = sb.size(src);
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92 if (d.length != srcSize) {
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93 Object[] oldD = (Object[]) dst;
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94 d = new Object[ srcSize ];
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95 int X = Math.min(oldD.length, srcSize);
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96 for (int i=0; i<X; i++) {
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97 Object sc = sb.get(src, i);
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99 d[i] = dcb.readFromTry(scb, sc, dc);
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103 Adapter cloner = Bindings.adapterFactory.getAdapter(scb, dcb, false, true);
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104 for (int i=X; i<srcSize; i++) {
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105 Object sc = sb.get(src, i);
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106 Object dc = cloner.adapt( sc );
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109 } catch (AdaptException e) {
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110 throw new BindingException( e );
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111 } catch (AdapterConstructionException e) {
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112 throw new BindingException( e );
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116 for (int i=0; i<d.length; i++) {
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117 Object sc = sb.get(src, i);
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119 d[i] = dcb.readFromTry(scb, sc, dc);
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126 public void add(Object array, int index, Object element)
127 throws BindingException, IndexOutOfBoundsException {
128 throw new UnsupportedOperationException();
132 public void remove(Object array, int index, int count) throws BindingException {
133 throw new UnsupportedOperationException();
137 public void getAll(Object array, Object[] result) throws BindingException {
138 Object[] list = (Object[]) array;
139 System.arraycopy(list, 0, result, 0, list.length);
143 public Object get(Object array, int index) throws BindingException {
144 if (!isInstance(array))
145 throw new BindingException("Unexpected class "
146 + array.getClass().getSimpleName() + ", Object[] expected");
147 return ((Object[]) array)[index];
151 public void set(Object array, int index, Object value)
152 throws BindingException {
153 Object[] list = (Object[]) array;
158 public int size(Object array) throws BindingException {
159 if (!isInstance(array))
160 throw new BindingException("Unexpected class "
161 + array.getClass().getSimpleName() + ", Object[] expected");
162 return ((Object[]) array).length;
166 public boolean isInstance(Object obj) {
167 return obj instanceof Object[];
171 public boolean isImmutable() {
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("Object[] is length immutable");
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183 public boolean isResizable() {
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