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.dynabeans;
18
19 import java.util.Locale;
20
21 import org.apache.commons.beanutils.LazyDynaBean;
22 import org.apache.commons.beanutils.LazyDynaClass;
23 import org.apache.commons.jxpath.ri.QName;
24 import org.apache.commons.jxpath.ri.model.NodePointer;
25 import org.apache.commons.jxpath.ri.model.NodePointerFactory;
26 import org.apache.commons.jxpath.ri.model.beans.PropertyPointer;
27
28 /**
29 * Implemented in response to [JXPATH-144]. Optionally pluggable
30 * <code>NodePointerFactory</code> that returns a special type of
31 * <code>NodePointer</code> for <code>LazyDynaBean</code>s. The
32 * <code>PropertyPointer</code>s returned by these will respect
33 * {@link LazyDynaClass#isDynaProperty(String)} when determining
34 * {@link PropertyPointer#isActual()}.
35 *
36 * @version $Revision: 1234255 $ $Date: 2012-01-21 04:11:46 +0100 (Sa, 21 Jan 2012) $
37 */
38 public class StrictLazyDynaBeanPointerFactory implements NodePointerFactory {
39 /**
40 * Pointer implementation.
41 */
42 private static class StrictLazyDynaBeanPointer extends DynaBeanPointer {
43 private static final long serialVersionUID = 1L;
44
45 private final LazyDynaBean lazyDynaBean;
46
47 /**
48 * Create a new StrictLazyDynaBeanPointer instance.
49 *
50 * @param parent pointer
51 * @param name is the name given to the first node
52 * @param lazyDynaBean pointed
53 */
54 public StrictLazyDynaBeanPointer(NodePointer parent, QName name, LazyDynaBean lazyDynaBean) {
55 super(parent, name, lazyDynaBean);
56 this.lazyDynaBean = lazyDynaBean;
57 }
58
59 /**
60 * Create a new StrictLazyDynaBeanPointer instance.
61 *
62 * @param name is the name given to the first node
63 * @param lazyDynaBean pointed
64 * @param locale Locale
65 */
66 public StrictLazyDynaBeanPointer(QName name, LazyDynaBean lazyDynaBean, Locale locale) {
67 super(name, lazyDynaBean, locale);
68 this.lazyDynaBean = lazyDynaBean;
69 }
70
71 /**
72 * {@inheritDoc}
73 */
74 public PropertyPointer getPropertyPointer() {
75 return new DynaBeanPropertyPointer(this, lazyDynaBean) {
76 private static final long serialVersionUID = 1L;
77
78 protected boolean isActualProperty() {
79 return ((LazyDynaClass) lazyDynaBean.getDynaClass())
80 .isDynaProperty(getPropertyName());
81 }
82 };
83 }
84 }
85
86 /**
87 * {@inheritDoc}
88 */
89 public int getOrder() {
90 return DynaBeanPointerFactory.DYNA_BEAN_POINTER_FACTORY_ORDER - 1;
91 }
92
93 /**
94 * {@inheritDoc}
95 */
96 public NodePointer createNodePointer(QName name, Object object, Locale locale) {
97 return object instanceof LazyDynaBean ? new StrictLazyDynaBeanPointer(name,
98 (LazyDynaBean) object, locale) : null;
99 }
100
101 /**
102 * {@inheritDoc}
103 */
104 public NodePointer createNodePointer(NodePointer parent, QName name, Object object) {
105 return object instanceof LazyDynaBean ? new StrictLazyDynaBeanPointer(parent, name,
106 (LazyDynaBean) object) : null;
107 }
108
109 }