ModuleSourceFactory


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  
17  package org.apache.cocoon.components.source.impl;
18  
19  import java.io.IOException  ;
20  import java.net.MalformedURLException  ;
21  import java.util.Map  ;
22  
23  import org.apache.avalon.framework.context.Context;
24  import org.apache.avalon.framework.context.ContextException;
25  import org.apache.avalon.framework.context.Contextualizable;
26  import org.apache.avalon.framework.logger.AbstractLogEnabled;
27  import org.apache.avalon.framework.service.ServiceException;
28  import org.apache.avalon.framework.service.ServiceManager;
29  import org.apache.avalon.framework.service.Serviceable;
30  import org.apache.avalon.framework.thread.ThreadSafe;
31  
32  import org.apache.excalibur.source.Source;
33  import org.apache.excalibur.source.SourceFactory;
34  
35  import org.apache.cocoon.components.ContextHelper;
36  
37  /**
38   * A factory for 'module:' sources (see {@link ModuleSource}). 
39   *
40   * @author <a HREF="mailto:danielf@nada.kth.se">Daniel Fagerstrom</a>
41   */
42  
43  public class ModuleSourceFactory extends AbstractLogEnabled
44    implements SourceFactory, Serviceable, Contextualizable, ThreadSafe {
45      
46      private ServiceManager manager;
47      private Context context;
48  
49      /**
50       * Servicable Interface
51       */
52      public void service( ServiceManager manager ) throws ServiceException {
53          this.manager = manager;
54      }
55  
56      /**
57       * Contextualizable, get the object model
58       */
59      public void contextualize( Context context ) throws ContextException {
60          this.context = context;
61      }
62      
63  
64      /**
65       * Get a {@link ModuleSource} object.
66       * 
67       * @param location   The URI to resolve - this URI includes the scheme.
68       * @param parameters this is optional and not used here
69       */
70      public Source getSource( String   location, Map   parameters )
71          throws IOException  , MalformedURLException   {
72  
73          Map   objectModel = ContextHelper.getObjectModel( this.context );
74          return new ModuleSource( objectModel, location, this.manager, getLogger() );
75      }
76      
77      /**
78       * Release a {@link Source} object.
79       */
80      public void release( Source source ) {
81          // Do nothing here
82      }
83  
84  }
85
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags