Coverage Report - org.mule.DefaultMessageCollection
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultMessageCollection
0%
0/49
0%
0/10
1.389
 
 1  
 /*
 2  
  * $Id: DefaultMessageCollection.java 11481 2008-03-22 19:27:20Z rossmason $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 package org.mule;
 11  
 
 12  
 import org.mule.api.MuleEvent;
 13  
 import org.mule.api.MuleMessage;
 14  
 import org.mule.api.MuleMessageCollection;
 15  
 import org.mule.api.ThreadSafeAccess;
 16  
 import org.mule.api.transformer.TransformerException;
 17  
 
 18  
 import java.util.ArrayList;
 19  
 import java.util.Iterator;
 20  
 import java.util.List;
 21  
 
 22  
 import edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList;
 23  
 
 24  
 /**
 25  
  * A {@link org.mule.api.MuleMessage} type that manages a collection of MuleMessage Objects.
 26  
  * Typically this type of message is only used when users explicitly want to work with aggregated or re-sequenced
 27  
  * collections of messages.
 28  
  *
 29  
  *  Note that the {@link #getPayload()} for this message will return a {@link java.util.List} of payload objects for
 30  
  * each of the Mule messages stored in this collection.
 31  
  *
 32  
  * Calling {@link #getPayload(Class)} will attempt to transform all payloads and return a {@link java.util.List}.
 33  
  *
 34  
  * The methods {@link #getPayloadAsString()} and {@link #getPayloadAsBytes()} are unsupported, instead users should
 35  
  * call {@link #getPayload(Class)} and pass in the return type <code>byte[].class</code> or <code>String.class</code>.
 36  
  */
 37  
 public class DefaultMessageCollection extends DefaultMuleMessage implements MuleMessageCollection
 38  
 {
 39  0
     private List messageList = new CopyOnWriteArrayList();
 40  
 
 41  
     public DefaultMessageCollection()
 42  
     {
 43  
         //This will be a collection of payloads
 44  0
         super(new CopyOnWriteArrayList());
 45  0
     }
 46  
 
 47  
     /**
 48  
      * Performs a shallow copy
 49  
      * @param msg
 50  
      */
 51  
     public DefaultMessageCollection(DefaultMessageCollection msg)
 52  
     {
 53  0
         this();
 54  0
         for (int i = 0; i < msg.getMessagesAsArray().length; i++)
 55  
         {
 56  0
             addMessage(msg.getMessagesAsArray()[i]);
 57  
         }
 58  0
     }
 59  
 
 60  
     public void addMessage(MuleMessage message)
 61  
     {
 62  0
         getMessageList().add(message);
 63  0
         getPayloadList().add(message.getPayload());
 64  0
     }
 65  
 
 66  
     public MuleMessage[] getMessagesAsArray()
 67  
     {
 68  0
         List list = getMessageList();
 69  0
         MuleMessage[] messages = new MuleMessage[list.size()];
 70  0
         messages = (MuleMessage[])list.toArray(messages);
 71  0
         return messages;
 72  
     }
 73  
 
 74  
     public Object[] getPayloadsAsArray()
 75  
     {
 76  0
         List list = getPayloadList();
 77  0
         Object[] payloads = new Object[list.size()];
 78  0
         payloads = list.toArray(payloads);
 79  0
         return payloads;
 80  
     }
 81  
 
 82  
     public void removedMessage(MuleMessage message)
 83  
     {
 84  0
         getMessageList().remove(message);
 85  0
         getPayloadList().remove(message.getPayload());
 86  0
     }
 87  
 
 88  
     public void addMessage(MuleMessage message, int index)
 89  
     {
 90  0
         getMessageList().add(index, message);
 91  0
         getPayloadList().add(index, message.getPayload());
 92  0
     }
 93  
 
 94  
     public void addMessages(MuleEvent[] events)
 95  
     {
 96  0
         for (int i = 0; i < events.length; i++)
 97  
         {
 98  0
             MuleEvent event = events[i];
 99  0
            addMessage(event.getMessage());
 100  
         }
 101  0
     }
 102  
 
 103  
     public void addMessages(List messages)
 104  
     {
 105  0
         for (Iterator iterator = messages.iterator(); iterator.hasNext();)
 106  
         {
 107  0
             MuleMessage message = (MuleMessage) iterator.next();
 108  0
             addMessage(message);
 109  0
         }
 110  0
     }
 111  
 
 112  
     public void addMessages(MuleMessage[] messages)
 113  
     {
 114  0
         for (int i = 0; i < messages.length; i++)
 115  
         {
 116  0
             addMessage(messages[i]);
 117  
         }
 118  0
     }
 119  
 
 120  
     public MuleMessage getMessage(int index)
 121  
     {
 122  0
         return (MuleMessage)getMessageList().get(index);
 123  
     }
 124  
 
 125  
     protected List getMessageList()
 126  
     {
 127  0
         return messageList;
 128  
     }
 129  
 
 130  
     protected List getPayloadList()
 131  
     {
 132  0
         return (List)getPayload();
 133  
     }
 134  
 
 135  
     /**
 136  
      * Applies the {@link #getPayload(Class)} call to every message in the collection and returns a
 137  
      * {@link java.util.List} of results.
 138  
      *
 139  
      * {@inheritDoc}
 140  
      */
 141  
     //@Override
 142  
     public Object getPayload(Class outputType) throws TransformerException
 143  
     {
 144  0
         List results = new ArrayList(getMessageList().size());
 145  0
         for (Iterator iterator = getMessageList().iterator(); iterator.hasNext();)
 146  
         {
 147  0
             MuleMessage message = (MuleMessage) iterator.next();
 148  0
             results.add(message.getPayload(outputType));
 149  0
         }
 150  0
         return results;
 151  
     }
 152  
 
 153  
     public int size()
 154  
     {
 155  0
         return getMessageList().size();
 156  
     }
 157  
 
 158  
     /**
 159  
      * {@inheritDoc}
 160  
      */
 161  
     //@Override
 162  
     public byte[] getPayloadAsBytes() throws Exception
 163  
     {
 164  0
         throw new UnsupportedOperationException("getPayloadAsBytes(), use getPayload(byte[].class)");
 165  
     }
 166  
 
 167  
     /**
 168  
      * {@inheritDoc}
 169  
      */
 170  
     //@Override
 171  
     public String getPayloadAsString(String encoding) throws Exception
 172  
     {
 173  0
         throw new UnsupportedOperationException("getPayloadAsString(), use getPayload(String[].class)");
 174  
 
 175  
     }
 176  
 
 177  
     /**
 178  
      * We need to overload this if we find we want to make this class available to users, but the copy will be expensive;
 179  
      * @return
 180  
      */
 181  
     public ThreadSafeAccess newThreadCopy()
 182  
     {
 183  0
         return new DefaultMessageCollection(this);
 184  
     }
 185  
 }