View Javadoc

1   /*
2    * $Id: DynaBeanPropertyAccessor.java 796774 2009-07-22 15:48:06Z musachy $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  package org.apache.struts2.s1;
23  
24  import java.io.Serializable;
25  import org.apache.commons.beanutils.DynaBean;
26  import org.apache.commons.beanutils.DynaClass;
27  import ognl.OgnlException;
28  import ognl.PropertyAccessor;
29  import ognl.OgnlContext;
30  
31  import java.util.Map;
32  
33  /***
34   * Provides access to DynaBean properties in OGNL
35   */
36  public class DynaBeanPropertyAccessor implements PropertyAccessor {
37      /***
38       * Used by OGNL to generate bytecode
39       */
40      public String getSourceAccessor(OgnlContext ognlContext, Object o, Object o1) {
41          return null;
42      }
43  
44      /***
45       * Used by OGNL to generate bytecode
46       */
47      public String getSourceSetter(OgnlContext ognlContext, Object o, Object o1) {
48          return null;  
49      }
50  
51      public Object getProperty(Map context, Object target, Object name) throws OgnlException {
52          
53          if (target instanceof DynaBean && name != null) {
54              DynaBean bean = (DynaBean)target;
55              DynaClass cls = bean.getDynaClass();
56              String key = name.toString();
57              if (cls.getDynaProperty(key) != null) {
58                  return bean.get(key);
59              }
60          }
61          return null;
62      }    
63  
64      public void setProperty(Map context, Object target, Object name, Object value) throws OgnlException {
65          
66          if (target instanceof DynaBean && name != null) {
67              DynaBean bean = (DynaBean)target;
68              String key = name.toString();
69              bean.set(key, value);
70          }
71      }    
72  
73  }