ViewProcessorFactory xref

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1   /*
2    * Copyright 2000-2001,2004 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  /*
18   * ViewProcessorFactory.java
19   *
20   * Created on January 27, 2003, 5:16 PM
21   */
22  package org.apache.jetspeed.portal.portlets.viewprocessor;
23  
24  import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
25  import org.apache.jetspeed.services.logging.JetspeedLogger;
26  
27  /***
28   * Creates the appropriate ViewProcessor to process the template
29   *
30   * @author  tkuebler
31   * @version $Id: ViewProcessorFactory.java,v 1.1.2.2 2003/02/24 21:52:27 tkuebler Exp $
32   * @stereotype factory
33   * 
34   */
35  public class ViewProcessorFactory
36  {
37      /***
38       * Static initialization of the logger for this class
39       */    
40      private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(ViewProcessorFactory.class.getName());
41      
42      /*** Creates a new instance of ViewProcessorFactory */
43      public ViewProcessorFactory()
44        {
45  
46          // load the type -> processor map
47          // this should probably be a turbine service...
48        }
49  
50      public static ViewProcessor getViewProcessor(String viewType)
51        {
52  
53          ViewProcessor viewProcessor;
54  
55          // figure out the type of portlet based on the map
56          // will use properties file or xreg based map later
57          // create and return appropriate processor
58          // hardcoded for now, will use some config file map in future
59          if (viewType.equals("Velocity"))
60            {
61              logger.info("ViewProcessorFactory - creating Velocity processor");
62              viewProcessor = new VelocityViewProcessor();
63            }
64          else if (viewType.equals("JSP"))
65            {
66              logger.info("ViewProcessorFactory - creating JSP processor");
67              viewProcessor = new JSPViewProcessor();
68            }
69          else if (viewType.equals("XSL"))
70            {
71              logger.info("ViewProcessorFactory - creating XSL processor");
72              viewProcessor = new XSLViewProcessor();
73            }
74          else if (viewType.equals("RSS"))
75            {
76              logger.info("ViewProcessorFactory - creating RSS processor");
77              viewProcessor = new RSSViewProcessor();
78            }
79          else
80            {
81              logger.error("ViewProcessorFactory - problem figuring out what view processor type you want - " + 
82                        viewType);
83              logger.error("ViewProcessorFactory - returing a JSP processor");
84              viewProcessor = new JSPViewProcessor();
85            }
86  
87          return viewProcessor;
88        }
89  }