/******************************************************************************* * Copyright (c) 2008, 2015 Matthew Hall and others. * 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: * Matthew Hall - initial API and implementation (bug 194734) * Matthew Hall - bug 195222, 264307, 265561 * Ovidio Mallo - bug 306633 ******************************************************************************/ package org.eclipse.core.internal.databinding.beans; import java.beans.PropertyDescriptor; import java.lang.reflect.Array; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.eclipse.core.databinding.observable.list.ListDiff; import org.eclipse.core.databinding.property.INativePropertyListener; import org.eclipse.core.databinding.property.ISimplePropertyListener; import org.eclipse.core.databinding.property.list.SimpleListProperty; /** * @since 3.3 * */ public class PojoListProperty extends SimpleListProperty { private final PropertyDescriptor propertyDescriptor; private final Class elementType; /** * @param propertyDescriptor * @param elementType */ public PojoListProperty(PropertyDescriptor propertyDescriptor, Class elementType) { this.propertyDescriptor = propertyDescriptor; this.elementType = elementType == null ? BeanPropertyHelper .getCollectionPropertyElementType(propertyDescriptor) : elementType; } @Override public Object getElementType() { return elementType; } @Override protected List doGetList(Object source) { return asList(BeanPropertyHelper.readProperty(source, propertyDescriptor)); } private List asList(Object propertyValue) { if (propertyValue == null) return Collections.EMPTY_LIST; if (propertyDescriptor.getPropertyType().isArray()) return Arrays.asList((Object[]) propertyValue); return (List) propertyValue; } @Override protected void doSetList(Object source, List list, ListDiff diff) { doSetList(source, list); } @Override protected void doSetList(Object source, List list) { BeanPropertyHelper.writeProperty(source, propertyDescriptor, convertListToBeanPropertyType(list)); } private Object convertListToBeanPropertyType(List list) { Object propertyValue = list; if (propertyDescriptor.getPropertyType().isArray()) { Class componentType = propertyDescriptor.getPropertyType() .getComponentType(); Object[] array = (Object[]) Array.newInstance(componentType, list .size()); list.toArray(array); propertyValue = array; } return propertyValue; } @Override public INativePropertyListener adaptListener( ISimplePropertyListener listener) { return null; } @Override public String toString() { String s = BeanPropertyHelper.propertyName(propertyDescriptor) + "[]"; //$NON-NLS-1$ if (elementType != null) s += "<" + BeanPropertyHelper.shortClassName(elementType) + ">"; //$NON-NLS-1$//$NON-NLS-2$ return s; } }