01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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 extends AbstractValve {
32: private Aggregator aggregator;
33:
34: public AggregatorValve(Aggregator aggregator) {
35: this .aggregator = aggregator;
36: }
37:
38: public void invoke(RequestContext request, ValveContext context)
39: throws PipelineException {
40: try {
41: aggregator.build(request);
42: } catch (Exception e) {
43: throw new PipelineException(e.toString(), e);
44: }
45: // Pass control to the next Valve in the Pipeline
46: context.invokeNext(request);
47: }
48:
49: public String toString() {
50: return "AggregatorValve";
51: }
52: }
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