Clover coverage report - Code Coverage for tapestry release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:05:49 EDT
file stats: LOC: 134   Methods: 9
NCLOC: 79   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
AttributeHolder.java - 19.2% 55.6% 28.6%
coverage coverage
 1   
 // Copyright 2004, 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.test.mock;
 16   
 
 17   
 import java.io.ByteArrayInputStream;
 18   
 import java.io.ByteArrayOutputStream;
 19   
 import java.io.IOException;
 20   
 import java.io.ObjectInputStream;
 21   
 import java.io.ObjectOutputStream;
 22   
 import java.util.Collections;
 23   
 import java.util.Enumeration;
 24   
 import java.util.HashMap;
 25   
 import java.util.Map;
 26   
 import java.util.Set;
 27   
 
 28   
 import org.apache.hivemind.ApplicationRuntimeException;
 29   
 
 30   
 /**
 31   
  *  
 32   
  * Base class for holders of named attributes such as
 33   
  * {@link javax.servlet.http.HttpSession}, 
 34   
  * {@link javax.servlet.http.HttpServletRequest}
 35   
  * and {@link javax.servlet.ServletContext}.
 36   
  *
 37   
  *
 38   
  * @author Howard Lewis Ship
 39   
  * @since 4.0
 40   
  */
 41   
 
 42   
 public class AttributeHolder
 43   
 {
 44   
     private Map _attributes = new HashMap();
 45   
 
 46  132
     public Object getAttribute(String name)
 47   
     {
 48  132
         return _attributes.get(name);
 49   
     }
 50   
 
 51  106
     public Enumeration getAttributeNames()
 52   
     {
 53  106
         return getEnumeration(_attributes);
 54   
     }
 55   
 
 56  128
     protected Enumeration getEnumeration(Map map)
 57   
     {
 58  128
         return Collections.enumeration(map.keySet());
 59   
     }
 60   
 
 61  0
     public String[] getAttributeNamesArray()
 62   
     {
 63  0
         Set keys = _attributes.keySet();
 64  0
         int count = keys.size();
 65   
 
 66  0
         String[] array = new String[count];
 67   
 
 68  0
         return (String[]) keys.toArray(array);
 69   
     }
 70   
 
 71  224
     public void setAttribute(String name, Object value)
 72   
     {
 73  224
         _attributes.put(name, value);
 74   
     }
 75   
 
 76  48
     public void removeAttribute(String name)
 77   
     {
 78  48
         _attributes.remove(name);
 79   
     }
 80   
 
 81   
     /**
 82   
      *  Serializes and then deserializes the {@link Map}
 83   
      *  containing all attributes.
 84   
      * 
 85   
      **/
 86   
 
 87  0
     public void simulateFailover()
 88   
     {
 89  0
         byte[] serialized = serializeAttributes();
 90   
 
 91  0
         _attributes = null;
 92   
 
 93  0
         Map restoredAttributes = deserializeAttributes(serialized);
 94   
 
 95  0
         _attributes = restoredAttributes;
 96   
     }
 97   
 
 98  0
     private byte[] serializeAttributes()
 99   
     {
 100  0
         try
 101   
         {
 102  0
             ByteArrayOutputStream bos = new ByteArrayOutputStream();
 103  0
             ObjectOutputStream oos = new ObjectOutputStream(bos);
 104   
 
 105  0
             oos.writeObject(_attributes);
 106   
 
 107  0
             oos.close();
 108   
 
 109  0
             return bos.toByteArray();
 110   
         }
 111   
         catch (IOException ex)
 112   
         {
 113  0
             throw new ApplicationRuntimeException("Unable to serialize attributes.", ex);
 114   
         }
 115   
     }
 116   
 
 117  0
     private Map deserializeAttributes(byte[] serialized)
 118   
     {
 119  0
         try
 120   
         {
 121  0
             ByteArrayInputStream bis = new ByteArrayInputStream(serialized);
 122  0
             ObjectInputStream ois = new ObjectInputStream(bis);
 123   
 
 124  0
             Map result = (Map) ois.readObject();
 125   
 
 126  0
             return result;
 127   
         }
 128   
         catch (Exception ex)
 129   
         {
 130  0
             throw new ApplicationRuntimeException("Unable to deserialize attributes.", ex);
 131   
         }
 132   
     }
 133   
 }
 134