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 */
017 package org.apache.commons.jxpath.ri.model.beans;
018
019 import org.apache.commons.jxpath.ri.QName;
020 import org.apache.commons.jxpath.ri.model.NodePointer;
021
022 /**
023 * An iterator of attributes of a JavaBean. Returns bean properties as
024 * well as the "xml:lang" attribute.
025 *
026 * @author Dmitri Plotnikov
027 * @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
028 */
029 public class BeanAttributeIterator extends PropertyIterator {
030 private NodePointer parent;
031 private int position = 0;
032 private boolean includeXmlLang;
033
034 /**
035 * Create a new BeanAttributeIterator.
036 * @param parent parent pointer
037 * @param name name of this bean
038 */
039 public BeanAttributeIterator(PropertyOwnerPointer parent, QName name) {
040 super(
041 parent,
042 (name.getPrefix() == null
043 && (name.getName() == null || name.getName().equals("*")))
044 ? null
045 : name.toString(),
046 false,
047 null);
048 this.parent = parent;
049 includeXmlLang =
050 (name.getPrefix() != null && name.getPrefix().equals("xml"))
051 && (name.getName().equals("lang")
052 || name.getName().equals("*"));
053 }
054
055 public NodePointer getNodePointer() {
056 return includeXmlLang && position == 1 ? new LangAttributePointer(parent) : super.getNodePointer();
057 }
058
059 public int getPosition() {
060 return position;
061 }
062
063 public boolean setPosition(int position) {
064 this.position = position;
065 if (includeXmlLang) {
066 return position == 1 || super.setPosition(position - 1);
067 }
068 return super.setPosition(position);
069 }
070 }