001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.xbean.propertyeditor;
018
019import java.beans.PropertyEditor;
020import java.beans.PropertyEditorManager;
021import java.lang.reflect.Array;
022import java.util.List;
023import java.util.ListIterator;
024
025/**
026 * Adapter for editing array types.
027 *
028 * @version $Rev: 6687 $ $Date: 2005-12-28T21:08:56.733437Z $
029 */
030public final class PrototypeArrayConverter extends AbstractCollectionConverter {
031    private static final PropertyEditor MOCK_EDITOR = new StringEditor();
032
033    public PrototypeArrayConverter(Class type) {
034        super(type, MOCK_EDITOR);
035        if (!type.isArray()) {
036            throw new IllegalArgumentException("type is not an array " + type.getSimpleName());
037        }
038        if (type.getComponentType().isArray()) {
039            throw new IllegalArgumentException("type is a multi-dimensional array " + type.getSimpleName());
040        }
041    }
042
043    @Override
044    protected PropertyEditor getEditor() {
045        return PropertyEditorManager.findEditor(getType());
046    }
047
048    protected Object createCollection(final List list) {
049        final Object array = Array.newInstance(getType().getComponentType(), list.size());
050        for (final ListIterator iterator = list.listIterator(); iterator.hasNext();) {
051            final Object item = iterator.next();
052            int index = iterator.previousIndex();
053            Array.set(array, index, item);
054        }
055        return array;
056    }
057}