1 package org.apache.turbine.pipeline;
2
3
4 /*
5 * Licensed to the Apache Software Foundation (ASF) under one
6 * or more contributor license agreements. See the NOTICE file
7 * distributed with this work for additional information
8 * regarding copyright ownership. The ASF licenses this file
9 * to you under the Apache License, Version 2.0 (the
10 * "License"); you may not use this file except in compliance
11 * with the License. You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing,
16 * software distributed under the License is distributed on an
17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 * KIND, either express or implied. See the License for the
19 * specific language governing permissions and limitations
20 * under the License.
21 */
22
23
24 import java.io.IOException;
25
26 import org.apache.turbine.TurbineConstants;
27 import org.apache.turbine.annotation.TurbineConfiguration;
28 import org.apache.turbine.annotation.TurbineLoader;
29 import org.apache.turbine.modules.Action;
30 import org.apache.turbine.modules.ActionLoader;
31 import org.apache.turbine.util.TurbineException;
32
33 /**
34 * Implements the action portion of the "Turbine classic" processing
35 * pipeline (from the Turbine 2.x series).
36 *
37 * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>\
38 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
39 * @version $Id$
40 */
41 public class DefaultSessionValidationValve
42 implements Valve
43 {
44 /** Injected loader instance */
45 @TurbineLoader( Action.class )
46 private ActionLoader actionLoader;
47
48 @TurbineConfiguration( TurbineConstants.ACTION_SESSION_VALIDATOR_KEY )
49 private String actionSessionValidator = TurbineConstants.ACTION_SESSION_VALIDATOR_DEFAULT;
50
51 /**
52 * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext)
53 */
54 @Override
55 public void invoke(PipelineData pipelineData, ValveContext context)
56 throws IOException, TurbineException
57 {
58 try
59 {
60 // This is where the validation of the Session information
61 // is performed if the user has not logged in yet, then
62 // the screen is set to be Login. This also handles the
63 // case of not having a screen defined by also setting the
64 // screen to Login. If you want people to go to another
65 // screen other than Login, you need to change that within
66 // TurbineResources.properties...screen.homepage; or, you
67 // can specify your own SessionValidator action.
68 actionLoader.exec(pipelineData, actionSessionValidator);
69 }
70 catch (Exception e)
71 {
72 throw new TurbineException(e);
73 }
74
75 // Pass control to the next Valve in the Pipeline
76 context.invokeNext(pipelineData);
77 }
78 }