001package org.apache.turbine.modules.screens;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.turbine.TurbineConstants;
023import org.apache.turbine.pipeline.PipelineData;
024import org.apache.turbine.util.RunData;
025import org.apache.velocity.context.Context;
026
027/**
028 * VelocityErrorScreen screen - directs errors at the velocity
029 * error template defined in template.error.
030 *
031 * @author <a href="mailto:gonzalo.diethelm@sonda.com">Gonzalo Diethelm</a>
032 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
033 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
034 * @version $Id$
035 */
036public class VelocityErrorScreen
037    extends VelocityScreen
038{
039    /**
040     * Implement this to add information to the context.
041     *
042     * @param pipelineData Turbine information.
043     * @param context Context for web pages.
044     * @throws Exception a generic exception.
045     */
046    @Override
047    protected void doBuildTemplate(PipelineData pipelineData, Context context)
048            throws Exception
049    {
050        RunData data = pipelineData.getRunData();
051        context.put (TurbineConstants.PROCESSING_EXCEPTION_PLACEHOLDER,
052                data.getStackTraceException().toString());
053        context.put (TurbineConstants.STACK_TRACE_PLACEHOLDER,
054                data.getStackTrace());
055
056        setTemplate(pipelineData, templateError);
057    }
058}