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Java > Open Source Codes > org > apache > commons > attributes > EmptyAttributeRepositoryClass


1 /*
2  * Copyright 2003-2004 The Apache Software Foundation
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.apache.commons.attributes;
17
18 import java.util.Collections JavaDoc;
19 import java.util.Set JavaDoc;
20 import java.util.Map JavaDoc;
21
22 /**
23  * Empty implementation of AttributeRepositoryClass.
24  */
25 class EmptyAttributeRepositoryClass implements AttributeRepositoryClass {
26     
27     public static final AttributeRepositoryClass INSTANCE = new EmptyAttributeRepositoryClass();
28     
29     public Set JavaDoc getClassAttributes () {
30         return Collections.EMPTY_SET;
31     }
32     
33     public Map JavaDoc getFieldAttributes () {
34         return Collections.EMPTY_MAP;
35     }
36     
37     public Map JavaDoc getMethodAttributes () {
38         return Collections.EMPTY_MAP;
39     }
40     
41     public Map JavaDoc getConstructorAttributes () {
42         return Collections.EMPTY_MAP;
43     }
44 }
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