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1   /*
2    * Copyright 2002,2004 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.jelly.tags.bsf;
17  
18  import org.apache.bsf.util.ObjectRegistry;
19  
20  import org.apache.commons.jelly.JellyContext;
21  import org.apache.commons.logging.Log;
22  import org.apache.commons.logging.LogFactory;
23  
24  /*** A BSF ObjectRegistry which uses the Context to find and
25    * register objects
26    *
27    * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
28    * @version $Revision: 155420 $
29    */
30  public class JellyContextRegistry extends ObjectRegistry {
31  
32      /*** The Log to which logging calls will be made. */
33      private static final Log log = LogFactory.getLog(JellyContextRegistry.class);
34  
35      /*** The context */
36      private JellyContext context;
37  
38      public JellyContextRegistry() {
39      }
40  
41      public JellyContext getJellyContext() {
42          return context;
43      }
44  
45      public void setJellyContext(JellyContext context) {
46          this.context = context;
47      }
48  
49      // ObjectRegistry interface
50      //-------------------------------------------------------------------------
51      public Object lookup(String name) {
52          return context.getVariable(name);
53      }
54  
55      public void register(String name, Object value) {
56          context.setVariable(name, value);
57      }
58  
59      public void unregister(String name) {
60          context.removeVariable(name);
61      }
62  }