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Java > Open Source Codes > org > apache > jetspeed > modules > pages > JetspeedVelocityPage


1 /*
2  * Copyright 2000-2001,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.jetspeed.modules.pages;
18
19 import org.apache.turbine.util.RunData;
20 import org.apache.turbine.services.velocity.TurbineVelocity;
21 import org.apache.turbine.services.velocity.VelocityService;
22 import org.apache.velocity.context.Context;
23 import org.apache.jetspeed.util.template.JetspeedTemplateNavigation;
24
25 /**
26  * Extends JetspeedTemplatePage to set the Velocity template Context.
27  *
28  * @author <a HREF="mailto:raphael@apache.org">Raphaël Luta</a>
29  * @version $Id: JetspeedVelocityPage.java,v 1.9 2004/02/23 02:59:52 jford Exp $
30  */
31 public class JetspeedVelocityPage extends JetspeedTemplatePage
32 {
33     /**
34      * Stuffs the Context into the RunData so that it is available to
35      * the Action module and the Screen module via getContext().
36      *
37      * Add a couple of default jetspeed context objects.
38      *
39      * @param data Turbine information.
40      * @exception Exception, a generic exception.
41      */
42     protected void doBuildBeforeAction(RunData data) throws Exception JavaDoc
43     {
44         super.doBuildBeforeAction(data);
45
46         Context context = TurbineVelocity.getContext(data);
47
48         context.put("jnavigation", new JetspeedTemplateNavigation(data));
49         data.getTemplateInfo().setTemplateContext(VelocityService.CONTEXT, context);
50     }
51
52     /**
53      * Allows the VelocityService to peform post-request actions.
54      * (releases the (non-global) tools in the context for reuse later)
55      */
56     protected void doPostBuild(RunData data) throws Exception JavaDoc
57     {
58         Context context = TurbineVelocity.getContext(data);
59         TurbineVelocity.requestFinished(context);
60     }
61
62 }
63
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