View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.jetspeed.aggregator;
18  
19  import org.apache.jetspeed.pipeline.PipelineException;
20  import org.apache.jetspeed.pipeline.valve.AbstractValve;
21  import org.apache.jetspeed.pipeline.valve.ValveContext;
22  import org.apache.jetspeed.request.RequestContext;
23  
24  /***
25   * PortletValve
26   *
27   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
28   * @version $Id: PortletValve.java 517124 2007-03-12 08:10:25Z ate $
29   */
30  public class PortletValve extends AbstractValve
31  {
32      private PortletAggregator aggregator;
33      
34      public PortletValve(PortletAggregator aggregator)
35      {
36          this.aggregator = aggregator;
37      }
38          
39      public void invoke( RequestContext request, ValveContext context )
40          throws PipelineException
41      {
42          try
43          {              
44              aggregator.build(request);
45          }
46          catch (Exception e)
47          {
48              throw new PipelineException(e);
49          }
50          // Pass control to the next Valve in the Pipeline
51          context.invokeNext( request );
52      }
53  
54      public String toString()
55      {
56          return "PortletValve";
57      }
58  }