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Java > Open Source Codes > org > apache > turbine > modules > screens > VelocityErrorScreen


1 package org.apache.turbine.modules.screens;
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.Turbine;
20 import org.apache.turbine.TurbineConstants;
21
22 import org.apache.turbine.util.RunData;
23
24 import org.apache.velocity.context.Context;
25
26 /**
27  * VelocityErrorScreen screen - directs errors at the velocity
28  * error template defined in template.error.
29  *
30  * @author <a HREF="mailto:gonzalo.diethelm@sonda.com">Gonzalo Diethelm</a>
31  * @author <a HREF="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
32  * @version $Id: VelocityErrorScreen.java,v 1.8.2.2 2004/05/20 03:03:53 seade Exp $
33  */
34 public class VelocityErrorScreen
35     extends VelocityScreen
36 {
37     /**
38      * Implement this to add information to the context.
39      *
40      * @param data Turbine information.
41      * @param context Context for web pages.
42      * @exception Exception a generic exception.
43      */
44     protected void doBuildTemplate(RunData data, Context context)
45             throws Exception JavaDoc
46     {
47         context.put (TurbineConstants.PROCESSING_EXCEPTION_PLACEHOLDER,
48                      data.getStackTraceException().toString());
49         context.put (TurbineConstants.STACK_TRACE_PLACEHOLDER,
50                      data.getStackTrace());
51
52         String JavaDoc errorTemplate = Turbine.getConfiguration()
53             .getString(TurbineConstants.TEMPLATE_ERROR_KEY,
54                        TurbineConstants.TEMPLATE_ERROR_VM);
55
56         setTemplate(data, errorTemplate);
57     }
58 }
59
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