NOPVariableResolver


1   /*
2    * Copyright 1999-2004 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.cocoon.components.treeprocessor.variables;
17  
18  import org.apache.cocoon.components.treeprocessor.InvokeContext;
19  
20  import java.util.Map  ;
21  
22  /**
23   * No-op implementation of {@link VariableResolver} for constant expressions
24   *
25   * @version CVS $Id: NOPVariableResolver.java 30932 2004-07-29 17:35:38Z vgritsenko $
26   */
27  public class NOPVariableResolver extends VariableResolver {
28  
29      private String   expression = null;
30  
31      public NOPVariableResolver(String   expression) {
32          super(expression);
33          if (expression != null) {
34              this.expression = VariableResolverFactory.unescape(expression);
35          }
36      }
37  
38      public final String   resolve(InvokeContext context, Map   objectModel) {
39          return this.expression;
40      }
41      
42      public final void release() {
43          // Nothing to do
44      }
45  }
46

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags