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1   /*
2    * $Id: TilesContainerWrapper.java 1044659 2010-12-11 14:16:04Z apetrelli $
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  package org.apache.tiles;
22  
23  import java.io.IOException;
24  
25  import org.apache.tiles.request.ApplicationContext;
26  import org.apache.tiles.request.Request;
27  
28  /**
29   * Wraps a Tiles container to allow easy decoration.
30   *
31   * @version $Rev: 1044659 $ $Date: 2010-12-12 01:16:04 +1100 (Sun, 12 Dec 2010) $
32   */
33  public class TilesContainerWrapper implements TilesContainer {
34  
35      /**
36       * The container to wrap.
37       */
38      protected TilesContainer container;
39  
40      /**
41       * Constructor.
42       *
43       * @param container The container to wrap.
44       */
45      public TilesContainerWrapper(TilesContainer container) {
46          this.container = container;
47          if (container == null) {
48              throw new NullPointerException("The wrapped container must be not null");
49          }
50      }
51  
52      /**
53       * Returns the wrapped container.
54       *
55       * @return The wrapped container.
56       */
57      public TilesContainer getWrappedContainer() {
58          return container;
59      }
60  
61      @Override
62      public void endContext(Request request) {
63          container.endContext(request);
64      }
65  
66      @Override
67      public Object evaluate(Attribute attribute, Request request) {
68          return container.evaluate(attribute, request);
69      }
70  
71      @Override
72      public ApplicationContext getApplicationContext() {
73          return container.getApplicationContext();
74      }
75  
76      @Override
77      public AttributeContext getAttributeContext(Request request) {
78          return container.getAttributeContext(request);
79      }
80  
81      @Override
82      public Definition getDefinition(String definitionName, Request request) {
83          return container.getDefinition(definitionName, request);
84      }
85  
86      @Override
87      public boolean isValidDefinition(String definition, Request request) {
88          return container.isValidDefinition(definition, request);
89      }
90  
91      @Override
92      public void prepare(String preparer, Request request) {
93          container.prepare(preparer, request);
94      }
95  
96      @Override
97      public void render(String definition, Request request) {
98          container.render(definition, request);
99      }
100 
101     @Override
102     public void render(Definition definition, Request request) {
103         container.render(definition, request);
104     }
105 
106     @Override
107     public void render(Attribute attribute, Request request) throws IOException {
108         container.render(attribute, request);
109     }
110 
111     @Override
112     public void renderContext(Request request) {
113         container.renderContext(request);
114     }
115 
116     @Override
117     public AttributeContext startContext(Request request) {
118         return container.startContext(request);
119     }
120 }