Coverage Report - org.apache.turbine.modules.screens.VelocityDirectScreen
 
Classes in this File Line Coverage Branch Coverage Complexity
VelocityDirectScreen
0%
0/31
0%
0/4
4
 
 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.commons.lang.StringUtils;
 23  
 import org.apache.commons.lang.exception.ExceptionUtils;
 24  
 import org.apache.ecs.ConcreteElement;
 25  
 import org.apache.turbine.Turbine;
 26  
 import org.apache.turbine.TurbineConstants;
 27  
 import org.apache.turbine.pipeline.PipelineData;
 28  
 import org.apache.turbine.services.template.TurbineTemplate;
 29  
 import org.apache.turbine.services.velocity.TurbineVelocity;
 30  
 import org.apache.turbine.util.RunData;
 31  
 import org.apache.velocity.context.Context;
 32  
 
 33  
 /**
 34  
  * VelocityDirectScreen is a screen class which returns its output
 35  
  * directly to the output stream. It can be used if buffering an
 36  
  * output screen isn't possible or the result doesn't fit in the
 37  
  * memory.
 38  
  * <p>
 39  
  * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a>
 40  
  * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
 41  
  * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
 42  
  * @version $Id: VelocityDirectScreen.java 938645 2010-04-27 20:57:51Z tv $
 43  
  */
 44  0
 public class VelocityDirectScreen
 45  
     extends VelocityScreen
 46  
 {
 47  
     /** The prefix for lookup up screen pages */
 48  0
     private String prefix = getPrefix() + "/";
 49  
 
 50  
     /**
 51  
      * This builds the Velocity template.
 52  
      *
 53  
      * @deprecated Use PipelineData version instead.
 54  
      * @param data Turbine information.
 55  
      * @return A ConcreteElement.
 56  
      * @exception Exception, a generic exception.
 57  
      */
 58  
     public ConcreteElement buildTemplate(RunData data)
 59  
         throws Exception
 60  
     {
 61  0
         Context context = TurbineVelocity.getContext(data);
 62  
 
 63  0
         String screenTemplate = data.getTemplateInfo().getScreenTemplate();
 64  0
         String templateName
 65  
             = TurbineTemplate.getScreenTemplateName(screenTemplate);
 66  
 
 67  
         // The Template Service could not find the Screen
 68  0
         if (StringUtils.isEmpty(templateName))
 69  
         {
 70  0
             log.error("Screen " + screenTemplate + " not found!");
 71  0
             throw new Exception("Could not find screen for " + screenTemplate);
 72  
         }
 73  
 
 74  
         try
 75  
         {
 76  0
             TurbineVelocity.handleRequest(context,
 77  
                                           prefix + templateName,
 78  
                                           data.getResponse().getOutputStream());
 79  
 
 80  
         }
 81  0
         catch (Exception e)
 82  
         {
 83  
             // If there is an error, build a $processingException and
 84  
             // attempt to call the error.vm template in the screens
 85  
             // directory.
 86  0
             context.put (TurbineConstants.PROCESSING_EXCEPTION_PLACEHOLDER, e.toString());
 87  0
             context.put (TurbineConstants.STACK_TRACE_PLACEHOLDER, ExceptionUtils.getStackTrace(e));
 88  
 
 89  0
             templateName = Turbine.getConfiguration()
 90  
                 .getString(TurbineConstants.TEMPLATE_ERROR_KEY,
 91  
                            TurbineConstants.TEMPLATE_ERROR_VM);
 92  
 
 93  0
             TurbineVelocity.handleRequest(context,
 94  
                     prefix + templateName,
 95  
                     data.getResponse().getOutputStream());
 96  0
         }
 97  
 
 98  0
         return null;
 99  
     }
 100  
 
 101  
     /**
 102  
      * This builds the Velocity template.
 103  
      *
 104  
      * @param data Turbine information.
 105  
      * @return A ConcreteElement.
 106  
      * @exception Exception, a generic exception.
 107  
      */
 108  
     public ConcreteElement buildTemplate(PipelineData pipelineData)
 109  
         throws Exception
 110  
     {
 111  0
         RunData data = getRunData(pipelineData);
 112  0
         Context context = TurbineVelocity.getContext(pipelineData);
 113  
 
 114  0
         String screenTemplate = data.getTemplateInfo().getScreenTemplate();
 115  0
         String templateName
 116  
             = TurbineTemplate.getScreenTemplateName(screenTemplate);
 117  
 
 118  
         // The Template Service could not find the Screen
 119  0
         if (StringUtils.isEmpty(templateName))
 120  
         {
 121  0
             log.error("Screen " + screenTemplate + " not found!");
 122  0
             throw new Exception("Could not find screen for " + screenTemplate);
 123  
         }
 124  
 
 125  
         try
 126  
         {
 127  0
             TurbineVelocity.handleRequest(context,
 128  
                                           prefix + templateName,
 129  
                                           data.getResponse().getOutputStream());
 130  
 
 131  
         }
 132  0
         catch (Exception e)
 133  
         {
 134  
             // If there is an error, build a $processingException and
 135  
             // attempt to call the error.vm template in the screens
 136  
             // directory.
 137  0
             context.put (TurbineConstants.PROCESSING_EXCEPTION_PLACEHOLDER, e.toString());
 138  0
             context.put (TurbineConstants.STACK_TRACE_PLACEHOLDER, ExceptionUtils.getStackTrace(e));
 139  
 
 140  0
             templateName = Turbine.getConfiguration()
 141  
                 .getString(TurbineConstants.TEMPLATE_ERROR_KEY,
 142  
                            TurbineConstants.TEMPLATE_ERROR_VM);
 143  
 
 144  0
             TurbineVelocity.handleRequest(context,
 145  
                     prefix + templateName,
 146  
                     data.getResponse().getOutputStream());
 147  0
         }
 148  
 
 149  0
         return null;
 150  
     }
 151  
 }