1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.jxpath.ri.model.beans;
18
19 import org.apache.commons.jxpath.ri.QName;
20 import org.apache.commons.jxpath.ri.model.NodePointer;
21
22 /**
23 * An iterator of attributes of a JavaBean. Returns bean properties as
24 * well as the "xml:lang" attribute.
25 *
26 * @author Dmitri Plotnikov
27 * @version $Revision: 652845 $ $Date: 2008-05-02 19:46:46 +0200 (Fr, 02 Mai 2008) $
28 */
29 public class BeanAttributeIterator extends PropertyIterator {
30 private NodePointer parent;
31 private int position = 0;
32 private boolean includeXmlLang;
33
34 /**
35 * Create a new BeanAttributeIterator.
36 * @param parent parent pointer
37 * @param name name of this bean
38 */
39 public BeanAttributeIterator(PropertyOwnerPointer parent, QName name) {
40 super(
41 parent,
42 (name.getPrefix() == null
43 && (name.getName() == null || name.getName().equals("*")))
44 ? null
45 : name.toString(),
46 false,
47 null);
48 this.parent = parent;
49 includeXmlLang =
50 (name.getPrefix() != null && name.getPrefix().equals("xml"))
51 && (name.getName().equals("lang")
52 || name.getName().equals("*"));
53 }
54
55 public NodePointer getNodePointer() {
56 return includeXmlLang && position == 1 ? new LangAttributePointer(parent) : super.getNodePointer();
57 }
58
59 public int getPosition() {
60 return position;
61 }
62
63 public boolean setPosition(int position) {
64 this.position = position;
65 if (includeXmlLang) {
66 return position == 1 || super.setPosition(position - 1);
67 }
68 return super.setPosition(position);
69 }
70 }