1 /*******************************************************************************
2 * Copyright (c) 2010 Association for Decentralized Information Management in
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.databoard.binding.impl;
14 import java.lang.reflect.Array;
15 import java.util.Iterator;
17 import org.simantics.databoard.Bindings;
18 import org.simantics.databoard.adapter.AdaptException;
19 import org.simantics.databoard.adapter.Adapter;
20 import org.simantics.databoard.adapter.AdapterConstructionException;
21 import org.simantics.databoard.binding.ArrayBinding;
22 import org.simantics.databoard.binding.Binding;
23 import org.simantics.databoard.binding.error.BindingException;
24 import org.simantics.databoard.type.ArrayType;
29 * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
31 public class ObjectArrayBinding extends ArrayBinding {
33 public ObjectArrayBinding(ArrayType type, Binding componentBinding) {
34 super(type, componentBinding);
36 throw new IllegalArgumentException("null arg");
40 public ObjectArrayBinding(Binding componentBinding) {
41 this(new ArrayType(componentBinding.type()), componentBinding);
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)
63 throws BindingException {
65 ArrayBinding sb = (ArrayBinding) srcBinding;
66 // Src Component Binding
67 Binding scb = sb.getComponentBinding();
68 // Dst component binding
69 Binding dcb = getComponentBinding();
71 Object[] d = (Object[]) dst;
72 if (d.length != sb.size(src)) throw new BindingException("Object[] is length immutable");
74 for (int i=0; i<d.length; i++) {
75 Object sc = sb.get(src, i);
77 d[i] = dcb.readFromTry(scb, sc, dc);
82 public Object readFromTry(Binding srcBinding, Object src, Object dst) throws BindingException {
84 ArrayBinding sb = (ArrayBinding) srcBinding;
85 // Src Component Binding
86 Binding scb = sb.getComponentBinding();
87 // Dst component binding
88 Binding dcb = getComponentBinding();
90 Object[] d = (Object[]) dst;
91 int srcSize = sb.size(src);
92 if (d.length != srcSize) {
93 Object[] oldD = (Object[]) dst;
94 d = new Object[ srcSize ];
95 int X = Math.min(oldD.length, srcSize);
96 for (int i=0; i<X; i++) {
97 Object sc = sb.get(src, i);
99 d[i] = dcb.readFromTry(scb, sc, dc);
103 Adapter cloner = Bindings.adapterFactory.getAdapter(scb, dcb, false, true);
104 for (int i=X; i<srcSize; i++) {
105 Object sc = sb.get(src, i);
106 Object dc = cloner.adapt( sc );
109 } catch (AdaptException e) {
110 throw new BindingException( e );
111 } catch (AdapterConstructionException e) {
112 throw new BindingException( e );
116 for (int i=0; i<d.length; i++) {
117 Object sc = sb.get(src, i);
119 d[i] = dcb.readFromTry(scb, sc, dc);
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 {
177 int oldSize = Array.getLength(array);
178 if (oldSize==newSize) return;
179 throw new BindingException("Object[] is length immutable");
183 public boolean isResizable() {