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 /**
23 * Exception thrown if a property is attempted to be extracted from an object that does not have such a property.
24 *
25 * @author Luke Blanshard (blanshlu@netscape.net)
26 * @author Drew Davidson (drew@ognl.org)
27 */
28 public class NoSuchPropertyException
29 extends OgnlException
30 {
31
32 private static final long serialVersionUID = 2228428181127177178L;
33
34 private Object target;
35
36 private Object name;
37
38 public NoSuchPropertyException( Object target, Object name )
39 {
40 super( getReason( target, name ) );
41 }
42
43 public NoSuchPropertyException( Object target, Object name, Throwable reason )
44 {
45 super( getReason( target, name ), reason );
46 this.target = target;
47 this.name = name;
48 }
49
50 static String getReason( Object target, Object name )
51 {
52 StringBuilder ret = new StringBuilder();
53
54 if ( target == null )
55 {
56 ret.append( "null" );
57 }
58 else if ( target instanceof Class )
59 {
60 ret.append( ( (Class<?>) target ).getName() );
61 }
62 else
63 {
64 ret.append( target.getClass().getName() );
65 }
66
67 ret.append( "." ).append( name );
68
69 return ret.toString();
70 }
71
72 public Object getTarget()
73 {
74 return target;
75 }
76
77 public Object getName()
78 {
79 return name;
80 }
81 }