    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: VelocityErrorScreen.java 1695634 2015-08-13 00:35:47Z tv $
    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     * @exception Exception a generic exception.
    045     */
    046    @Override
    047    protected void doBuildTemplate(PipelineData pipelineData, Context context)
    048            throws Exception
    049    {
    050        RunData data = getRunData(pipelineData);
    051        context.put (TurbineConstants.PROCESSING_EXCEPTION_PLACEHOLDER,
    052                data.getStackTraceException().toString());
    053        context.put (TurbineConstants.STACK_TRACE_PLACEHOLDER,
    054                data.getStackTrace());
    055
    056        String errorTemplate = conf.getString(TurbineConstants.TEMPLATE_ERROR_KEY,
    057                TurbineConstants.TEMPLATE_ERROR_VM);
    058
    059        setTemplate(pipelineData, errorTemplate);
    060    }
    061}