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    1   package org.apache.turbine.modules.screens;
    2
    3   /*
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *   http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21
    22  import org.apache.turbine.TurbineConstants;
    23  import org.apache.turbine.pipeline.PipelineData;
    24  import org.apache.turbine.util.RunData;
    25  import org.apache.velocity.context.Context;
    26
    27  /**
    28   * VelocityErrorScreen screen - directs errors at the velocity
    29   * error template defined in template.error.
    30   *
    31   * @author <a href="mailto:gonzalo.diethelm@sonda.com">Gonzalo Diethelm</a>
    32   * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
    33   * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
    34   * @version $Id: VelocityErrorScreen.java 1695634 2015-08-13 00:35:47Z tv $
    35   */
    36  public class VelocityErrorScreen
    37      extends VelocityScreen
    38  {
    39      /**
    40       * Implement this to add information to the context.
    41       *
    42       * @param pipelineData Turbine information.
    43       * @param context Context for web pages.
    44       * @exception Exception a generic exception.
    45       */
    46      @Override
    47      protected void doBuildTemplate(PipelineData pipelineData, Context context)
    48              throws Exception
    49      {
    50          RunData data = getRunData(pipelineData);
    51          context.put (TurbineConstants.PROCESSING_EXCEPTION_PLACEHOLDER,
    52                  data.getStackTraceException().toString());
    53          context.put (TurbineConstants.STACK_TRACE_PLACEHOLDER,
    54                  data.getStackTrace());
    55
    56          String errorTemplate = conf.getString(TurbineConstants.TEMPLATE_ERROR_KEY,
    57                  TurbineConstants.TEMPLATE_ERROR_VM);
    58
    59          setTemplate(pipelineData, errorTemplate);
    60      }
    61  }