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1   /*
2    * Copyright 2007 Tim Peierls
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *        http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.directwebremoting.guice;
17  
18  import java.lang.annotation.Annotation;
19  
20  
21  class InitParamImpl implements InitParam 
22  {
23      public InitParamImpl(ParamName value) 
24      {
25          if (value == null)
26          {
27              throw new NullPointerException("@InitParam");
28          }
29          this.value = value;
30      }
31  
32      public ParamName value() 
33      {
34          return this.value;
35      }
36  
37      public Class<? extends Annotation> annotationType() 
38      {
39          return InitParam.class;
40      }
41  
42      public boolean equals(Object t) 
43      {
44          if (!(t instanceof InitParam)) 
45          {
46              return false;
47          }
48  
49          InitParam that = (InitParam) t;
50          return this.value.equals(that.value());
51      }
52  
53      public int hashCode() 
54      {
55          // Annotation spec sez:
56          return 127 * "value".hashCode() ^ value.hashCode();
57      }
58  
59      public String toString() 
60      {
61          return "@" + InitParam.class.getName() + "(value=" + value + ")";
62      }
63  
64      private final ParamName value;
65  }