1 /**
2 * This file Copyright (c) 2003-2014 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.gui.controlx.list;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.cms.core.NodeData;
38
39 import java.util.Calendar;
40 import java.util.Date;
41
42 import javax.jcr.PropertyType;
43 import javax.jcr.RepositoryException;
44
45 import org.apache.commons.beanutils.MethodUtils;
46 import org.apache.commons.beanutils.PropertyUtils;
47 import org.apache.commons.lang.StringUtils;
48 import org.slf4j.LoggerFactory;
49 import org.slf4j.Logger;
50
51
52 /**
53 * @author Sameer Charles $Id$
54 */
55 public class DefaultValueProvider implements ValueProvider {
56 private static final Logger log = LoggerFactory.getLogger(DefaultValueProvider.class);
57
58 /**
59 * singleton
60 */
61 private static ValueProvider thisInstance = new DefaultValueProvider();
62
63 /**
64 * Not allowed to be instanciated outside the scope of this class
65 */
66 protected DefaultValueProvider() {
67 }
68
69 /**
70 * get instance
71 */
72 public static ValueProvider getInstance() {
73 return thisInstance;
74 }
75
76 /* (non-Javadoc)
77 * @see info.magnolia.cms.gui.controlx.list.util.ValueProvider#getValue(java.lang.String, java.lang.Object)
78 */
79 @Override
80 public Object getValue(String name, Object obj) {
81 Object value = null;
82 try {
83 if (obj instanceof Content) {
84 Content node = (Content) obj;
85 if (node.hasNodeData(name)) {
86 NodeData nd = node.getNodeData(name);
87 if (nd.getType() == PropertyType.DATE) {
88 value = nd.getDate();
89 }
90 else {
91 value = nd.getString();
92 }
93 }
94
95 if (value == null) {
96 try {
97 value = PropertyUtils.getProperty(node.getMetaData(), name);
98 }
99 catch (NoSuchMethodException e) {
100 value = node.getMetaData().getStringProperty(name);
101 if (StringUtils.isEmpty((String) value)) {
102 value = null;
103 }
104 }
105 }
106 }
107
108 if (value == null) {
109 // is this a property of the object
110 try {
111 value = PropertyUtils.getProperty(obj, name);
112 }
113 catch (NoSuchMethodException e1) {
114 // check if getter exist for this name
115 try {
116 String methodName = "get"
117 + StringUtils.substring(name, 0, 1).toUpperCase()
118 + StringUtils.substring(name, 1);
119 value = MethodUtils.invokeMethod(this, methodName, obj);
120 }
121 catch (NoSuchMethodException e2) {
122 value = StringUtils.EMPTY;
123 }
124 }
125 }
126 }
127 catch (Exception e) {
128 log.error("can't get value", e);
129 value = StringUtils.EMPTY;
130 }
131
132 if (value instanceof Calendar) {
133 value = new Date(((Calendar) value).getTimeInMillis());
134 }
135
136 return value;
137 }
138
139 /**
140 * get node type
141 * @return node type
142 */
143 public String getType(Content node) {
144 try {
145 return node.getNodeTypeName();
146 }
147 catch (RepositoryException re) {
148 log.error(re.getMessage(), re);
149 }
150 return StringUtils.EMPTY;
151 }
152
153 /**
154 * get path
155 * @return handle for the ciurrent object
156 */
157 public String getPath(Content node) {
158 return node.getHandle();
159 }
160
161 }