1 package org.apache.commons.ognl;
2
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 import java.lang.reflect.Method;
23 import java.util.List;
24 import java.util.Map;
25
26 /**
27 * Implementation of PropertyAccessor that uses reflection on the target object's class to find a field or a pair of
28 * set/get methods with the given property name.
29 *
30 * @author Luke Blanshard (blanshlu@netscape.net)
31 * @author Drew Davidson (drew@ognl.org)
32 */
33 public class ObjectMethodAccessor
34 implements MethodAccessor
35 {
36
37 /**
38 * {@inheritDoc}
39 */
40 public Object callStaticMethod( Map<String, Object> context, Class<?> targetClass, String methodName,
41 Object[] args )
42 throws MethodFailedException
43 {
44 List<Method> methods = OgnlRuntime.getMethods( targetClass, methodName, true );
45
46 return OgnlRuntime.callAppropriateMethod( (OgnlContext) context, targetClass, null, methodName, null, methods,
47 args );
48 }
49
50 /**
51 * {@inheritDoc}
52 */
53 public Object callMethod( Map<String, Object> context, Object target, String methodName, Object[] args )
54 throws MethodFailedException
55 {
56 Class<?> targetClass = ( target == null ) ? null : target.getClass();
57 List<Method> methods = OgnlRuntime.getMethods( targetClass, methodName, false );
58
59 if ( ( methods == null ) || ( methods.size() == 0 ) )
60 {
61 methods = OgnlRuntime.getMethods( targetClass, methodName, true );
62
63 }
64
65 return OgnlRuntime.callAppropriateMethod( (OgnlContext) context, target, target, methodName, null, methods,
66 args );
67 }
68 }