1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.shared_orchestra.util.el;
20
21 import java.util.Map;
22 import java.util.Set;
23 import java.util.Collection;
24
25 /**
26 * @author Sylvain Vieujot (latest modification by $Author: skitching $)
27 * @version $Revision: 355303 $ $Date: 2005-12-09 02:36:08 +0100 (Fr, 09 Dez 2005) $
28 *
29 */
30 public abstract class GenericMap implements Map {
31
32 /**
33 * This method should return the result of the test.
34 */
35 protected abstract Object getValue(Object key);
36
37 public int size() {
38 return 1;
39 }
40
41 public boolean isEmpty() {
42 return false;
43 }
44
45 public boolean containsKey(Object key) {
46 return true;
47 }
48
49 public boolean containsValue(Object value) {
50 return value instanceof Boolean;
51 }
52
53 public Object get(Object key) {
54 return getValue(key);
55 }
56
57 public Object put(Object key, Object value) {
58 return null;
59 }
60
61 public Object remove(Object key) {
62 return null;
63 }
64
65 public void putAll(Map m) {
66 // NoOp
67 }
68
69 public void clear() {
70 // NoOp
71 }
72
73 public Set keySet() {
74 return null;
75 }
76
77 public Collection values() {
78 return null;
79 }
80
81 public Set entrySet() {
82 return null;
83 }
84 }
85
86