Examples of org.apache.qpid.api.Message.appendData()

org.apache.qpid.api.Message.appendData()
This will abstract the underlying message data. The Message implementation may not hold all message data in memory (especially in the case of large messages) The appendData function might write data to
- Memory (Ex: ByteBuffer)
- To Disk
- To Socket (Stream)
@param src - the data to append

   */
  public void testOK_WithNoMessage() throws IOException{
    byte [] noMessage = {2,10,120,23,23,23,4,10,11,12,2,1,3,-22};
    
    Message multiMessage = new ByteBufferMessage();
    multiMessage.appendData(noMessage);
    MessageTokenizer tokenizer = new MessageTokenizer(multiMessage);
    
    assertEquals(1, tokenizer.countTokens());
    assertEquals(tokenizer.nextElement(),noMessage);
    assertFalse(tokenizer.hasMoreElements());

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   */
  public void testOK_WithOneMessage() throws IOException{
    byte [] oneEncodedMessage = {'A','M','2',23,23,23,4,10,11,12,2,1,3,-22};
    
    Message multiMessage = new ByteBufferMessage();
    multiMessage.appendData(oneEncodedMessage);
    MessageTokenizer tokenizer = new MessageTokenizer(multiMessage);
    
    assertEquals(1, tokenizer.countTokens());
    assertEquals(tokenizer.nextElement(),oneEncodedMessage);
    assertFalse(tokenizer.hasMoreElements());

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      }
      messages.add(message);
    }
        
    Message multiMessage = new ByteBufferMessage();
    multiMessage.appendData(compoundMessageData);
    MessageTokenizer tokenizer = new MessageTokenizer(multiMessage);
    
    int howManyTokens = tokenizer.countTokens();
    assertEquals(howManyLoops, howManyTokens);

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        _handlers.put('w',neverCallMe);
        _listener.setHandlers(_handlers);
        
        Message message = new ByteBufferMessage();
        message.appendData( ("AMG"+opcodeForNeverCallMeHandler).getBytes());
        
        _listener.onMessage(message);
    }
    
    /**

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        compoundMessageData[position++] = aByte;
      }
    }
            
    Message compoundMessage = new ByteBufferMessage();
    compoundMessage.appendData(compoundMessageData);
    return compoundMessage;
  }
}

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  private void addMessageToken(byte [] source,int startIndex,int length) throws IOException
  {
    byte [] messageData = new byte[length];
    System.arraycopy(source, startIndex, messageData, 0, messageData.length);
    Message message = new ByteBufferMessage();
    message.appendData(messageData);
    _messages.add(message);    
  }
}

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