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.commons.configuration.Configuration;
27 import org.apache.turbine.TurbineConstants;
28 import org.apache.turbine.annotation.TurbineConfiguration;
29 import org.apache.turbine.annotation.TurbineLoader;
30 import org.apache.turbine.modules.Action;
31 import org.apache.turbine.modules.ActionLoader;
32 import org.apache.turbine.util.TurbineException;
33
34 /**
35 * Implements the action portion of the "Turbine classic" processing
36 * pipeline (from the Turbine 2.x series).
37 *
38 * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>\
39 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
40 * @version $Id: DefaultSessionValidationValve.java 1706239 2015-10-01 13:18:35Z tv $
41 */
42 public class DefaultSessionValidationValve
43 extends AbstractValve
44 {
45 /** Injected loader instance */
46 @TurbineLoader( Action.class )
47 private ActionLoader actionLoader;
48
49 /** Injected configuration instance */
50 @TurbineConfiguration
51 private Configuration config;
52
53 /**
54 * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext)
55 */
56 @Override
57 public void invoke(PipelineData pipelineData, ValveContext context)
58 throws IOException, TurbineException
59 {
60 try
61 {
62 // This is where the validation of the Session information
63 // is performed if the user has not logged in yet, then
64 // the screen is set to be Login. This also handles the
65 // case of not having a screen defined by also setting the
66 // screen to Login. If you want people to go to another
67 // screen other than Login, you need to change that within
68 // TurbineResources.properties...screen.homepage; or, you
69 // can specify your own SessionValidator action.
70 actionLoader.exec(pipelineData, config.getString(
71 TurbineConstants.ACTION_SESSION_VALIDATOR_KEY,
72 TurbineConstants.ACTION_SESSION_VALIDATOR_DEFAULT));
73 }
74 catch (Exception e)
75 {
76 throw new TurbineException(e);
77 }
78
79 // Pass control to the next Valve in the Pipeline
80 context.invokeNext(pipelineData);
81 }
82 }