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
18 package org.apache.jetspeed.aggregator;
19
20 import org.apache.jetspeed.pipeline.PipelineException;
21 import org.apache.jetspeed.pipeline.valve.AbstractValve;
22 import org.apache.jetspeed.pipeline.valve.ValveContext;
23 import org.apache.jetspeed.request.RequestContext;
24
25 /***
26 * Invokes the aggregator service in the request pipeline
27 *
28 * @author <a href="mailto:david@bluesunrise.com">David Sean Taylor</a>
29 * @version $Id: AggregatorValve.java 517124 2007-03-12 08:10:25Z ate $
30 */
31 public class AggregatorValve
32 extends AbstractValve
33 {
34 private Aggregator aggregator;
35
36 public AggregatorValve(Aggregator aggregator)
37 {
38 this.aggregator = aggregator;
39 }
40
41 public void invoke( RequestContext request, ValveContext context )
42 throws PipelineException
43 {
44 try
45 {
46 aggregator.build(request);
47 }
48 catch (Exception e)
49 {
50 throw new PipelineException(e.toString(), e);
51 }
52 // Pass control to the next Valve in the Pipeline
53 context.invokeNext( request );
54 }
55
56 public String toString()
57 {
58 return "AggregatorValve";
59 }
60 }