Coverage Report - org.apache.tapestry.html.RequestDisplay
 
Classes in this File Line Coverage Branch Coverage Complexity
RequestDisplay
0%
0/38
0%
0/12
1.75
RequestDisplay$1
0%
0/3
N/A
1.75
RequestDisplay$2
0%
0/3
N/A
1.75
 
 1  
 // Copyright 2005 The Apache Software Foundation
 2  
 //
 3  
 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package org.apache.tapestry.html;
 16  
 
 17  
 import java.util.Collections;
 18  
 import java.util.Iterator;
 19  
 import java.util.List;
 20  
 import java.util.Properties;
 21  
 import java.util.StringTokenizer;
 22  
 
 23  
 import org.apache.tapestry.BaseComponent;
 24  
 import org.apache.tapestry.IMarkupWriter;
 25  
 import org.apache.tapestry.IRender;
 26  
 import org.apache.tapestry.IRequestCycle;
 27  
 import org.apache.tapestry.describe.ReportStatusHub;
 28  
 import org.apache.tapestry.web.WebUtils;
 29  
 
 30  
 /**
 31  
  * Supports the {@link org.apache.tapestry.pages.Exception} page by
 32  
  * displaying the request, session, servlet context and servlet object for the
 33  
  * current request.
 34  
  * 
 35  
  * @author Howard M. Lewis Ship
 36  
  * @since 4.0
 37  
  */
 38  0
 public abstract class RequestDisplay extends BaseComponent
 39  
 {
 40  
 
 41  
     private boolean _even;
 42  
 
 43  
     // Injected
 44  
 
 45  
     public abstract ReportStatusHub getReportStatusHub();
 46  
 
 47  
     public void renderSystemProperties(IMarkupWriter writer)
 48  
     {
 49  0
         _even = true;
 50  
 
 51  0
         Properties p = System.getProperties();
 52  
 
 53  0
         String pathSeparator = p.getProperty("path.separator");
 54  
 
 55  0
         writer.begin("div");
 56  0
         writer.attribute("class", "described-object-title");
 57  0
         writer.print("JVM System Properties");
 58  0
         writer.end();
 59  0
         writer.println();
 60  
 
 61  0
         writer.begin("table");
 62  0
         writer.attribute("class", "described-object");
 63  
 
 64  0
         Iterator i = WebUtils.toSortedList(p.keys()).iterator();
 65  
 
 66  0
         while(i.hasNext())
 67  
         {
 68  0
             String key = (String) i.next();
 69  0
             String value = p.getProperty(key);
 70  
 
 71  0
             renderKeyAndValue(writer, key, value, pathSeparator);
 72  0
         }
 73  
 
 74  0
         writer.end();
 75  0
     }
 76  
 
 77  
     private void renderKeyAndValue(IMarkupWriter writer, String key,
 78  
             String value, String pathSeparator)
 79  
     {
 80  0
         String[] values = split(key, value, pathSeparator);
 81  
 
 82  0
         for(int i = 0; i < values.length; i++)
 83  
         {
 84  0
             writer.begin("tr");
 85  
 
 86  0
             writer.attribute("class", _even ? "even" : "odd");
 87  
 
 88  0
             _even = !_even;
 89  
 
 90  0
             writer.begin("th");
 91  
 
 92  0
             if (i == 0) writer.print(key);
 93  
 
 94  0
             writer.end();
 95  0
             writer.begin("td");
 96  0
             writer.print(values[i]);
 97  0
             writer.end("tr");
 98  0
             writer.println();
 99  
         }
 100  0
     }
 101  
 
 102  
     private String[] split(String key, String value, String pathSeparator)
 103  
     {
 104  0
         if (!key.endsWith(".path")) return new String[] { value };
 105  
 
 106  0
         StringTokenizer tokenizer = new StringTokenizer(value, pathSeparator);
 107  0
         List values = Collections.list(tokenizer);
 108  
 
 109  0
         return (String[]) values.toArray(new String[values.size()]);
 110  
     }
 111  
 
 112  
     public IRender getSystemPropertiesRenderer()
 113  
     {
 114  0
         return new IRender()
 115  0
         {
 116  
 
 117  
             public void render(IMarkupWriter writer, IRequestCycle cycle)
 118  
             {
 119  0
                 renderSystemProperties(writer);
 120  0
             }
 121  
         };
 122  
     }
 123  
 
 124  
     public IRender getReportStatusRenderer()
 125  
     {
 126  0
         return new IRender()
 127  0
         {
 128  
 
 129  
             public void render(IMarkupWriter writer, IRequestCycle cycle)
 130  
             {
 131  0
                 getReportStatusHub().fireReportStatus(writer);
 132  0
             }
 133  
         };
 134  
     }
 135  
 }