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Java > Open Source Codes > org > apache > turbine > modules > pages > VelocityPage


1 package org.apache.turbine.modules.pages;
2
3 /*
4  * Copyright 2001-2004 The Apache Software Foundation.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License")
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 import org.apache.turbine.services.velocity.TurbineVelocity;
20 import org.apache.turbine.services.velocity.VelocityService;
21
22 import org.apache.turbine.util.RunData;
23
24 import org.apache.velocity.context.Context;
25
26 /**
27  * Extends TemplatePage to set the template Context.
28  *
29  * @author <a HREF="mailto:mbryson@mont.mindspring.com">Dave Bryson</a>
30  * @author <a HREF="mailto:john.mcnally@clearink.com">John D. McNally</a>
31  * @author <a HREF="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
32  * @version $Id: VelocityPage.java,v 1.4.2.2 2004/05/20 03:03:53 seade Exp $
33  */
34 public class VelocityPage
35     extends TemplatePage
36 {
37     /**
38      * Stuffs the Context into the RunData so that it is available to
39      * the Action module and the Screen module via getContext().
40      *
41      * @param data Turbine information.
42      * @exception Exception, a generic exception.
43      */
44     protected void doBuildBeforeAction(RunData data)
45         throws Exception JavaDoc
46     {
47         Context context = TurbineVelocity.getContext(data);
48         data.getTemplateInfo()
49             .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)
57         throws Exception JavaDoc
58     {
59         Context context = TurbineVelocity.getContext(data);
60         TurbineVelocity.requestFinished(context);
61     }
62 }
63
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