Coverage Report - org.apache.camel.component.jms.JmsIOConverter
 
Classes in this File Line Coverage Branch Coverage Complexity
JmsIOConverter
0% 
0% 
0
 
 1  
 /**
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.camel.component.jms;
 18  
 
 19  
 import java.io.ByteArrayOutputStream;
 20  
 import java.io.DataOutputStream;
 21  
 import java.io.ObjectOutputStream;
 22  
 import java.nio.ByteBuffer;
 23  
 import java.util.Enumeration;
 24  
 
 25  
 import javax.jms.BytesMessage;
 26  
 import javax.jms.MapMessage;
 27  
 import javax.jms.Message;
 28  
 import javax.jms.MessageEOFException;
 29  
 import javax.jms.ObjectMessage;
 30  
 import javax.jms.StreamMessage;
 31  
 import javax.jms.TextMessage;
 32  
 
 33  
 import org.apache.camel.Converter;
 34  
 import org.apache.camel.converter.NIOConverter;
 35  
 
 36  
 /**
 37  
  * Some simple payload conversions to I/O <a
 38  
  * href="http://activemq.apache.org/camel/type-converter.html">Type Converters</a>
 39  
  * 
 40  
  * @version $Revision: 533630 $
 41  
  */
 42  
 
 43  
 @Converter
 44  
 public final class JmsIOConverter {
 45  
     
 46  0
     private JmsIOConverter() {        
 47  0
     }
 48  
     
 49  
     /**
 50  
      * @param message
 51  
      * @return a ByteBuffer
 52  
      * @throws Exception
 53  
      */
 54  
     @Converter
 55  
     public static ByteBuffer toByteBuffer(final Message message) throws Exception {
 56  
 
 57  0
         if (message instanceof TextMessage) {
 58  0
             final String text = ((TextMessage)message).getText();
 59  0
             return NIOConverter.toByteBuffer(text);
 60  
         }
 61  0
         if (message instanceof BytesMessage) {
 62  0
             final BytesMessage bmsg = (BytesMessage)message;
 63  0
             final int len = (int)bmsg.getBodyLength();
 64  0
             final byte[] data = new byte[len];
 65  0
             bmsg.readBytes(data, len);
 66  0
             return NIOConverter.toByteBuffer(data);
 67  
 
 68  
         }
 69  0
         if (message instanceof StreamMessage) {
 70  0
             final StreamMessage msg = (StreamMessage)message;
 71  0
             final ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
 72  0
             final DataOutputStream dataOut = new DataOutputStream(bytesOut);
 73  
             try {
 74  
                 while (true) {
 75  0
                     final Object obj = msg.readObject();
 76  0
                     writeData(dataOut, obj);
 77  0
                 }
 78  0
             } catch (MessageEOFException e) {
 79  
                 // we have no other way of knowing the end of the message
 80  
             }
 81  0
             dataOut.close();
 82  0
             return NIOConverter.toByteBuffer(bytesOut.toByteArray());
 83  
         }
 84  0
         if (message instanceof MapMessage) {
 85  0
             final MapMessage msg = (MapMessage)message;
 86  0
             final ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
 87  0
             final DataOutputStream dataOut = new DataOutputStream(bytesOut);
 88  0
             for (final Enumeration en = msg.getMapNames(); en.hasMoreElements();) {
 89  0
                 final Object obj = msg.getObject(en.nextElement().toString());
 90  0
                 writeData(dataOut, obj);
 91  0
             }
 92  0
             dataOut.close();
 93  0
             return NIOConverter.toByteBuffer(bytesOut.toByteArray());
 94  
         }
 95  0
         if (message instanceof ObjectMessage) {
 96  0
             ObjectMessage objMessage = (ObjectMessage)message;
 97  0
             Object object = objMessage.getObject();
 98  0
             ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
 99  0
             ObjectOutputStream objectOut = new ObjectOutputStream(bytesOut);
 100  0
             objectOut.writeObject(object);
 101  0
             objectOut.close();
 102  0
             return NIOConverter.toByteBuffer(bytesOut.toByteArray());
 103  
         }
 104  0
         return null;
 105  
 
 106  
     }
 107  
 
 108  
     private static void writeData(DataOutputStream dataOut, Object data) throws Exception {
 109  
 
 110  0
         if (data instanceof byte[]) {
 111  0
             dataOut.write((byte[])data);
 112  0
         } else if (data instanceof String) {
 113  0
             dataOut.writeUTF(data.toString());
 114  0
         } else if (data instanceof Double) {
 115  0
             dataOut.writeDouble(((Double)data).doubleValue());
 116  0
         } else if (data instanceof Float) {
 117  0
             dataOut.writeFloat(((Float)data).floatValue());
 118  0
         } else if (data instanceof Long) {
 119  0
             dataOut.writeLong(((Long)data).longValue());
 120  0
         } else if (data instanceof Integer) {
 121  0
             dataOut.writeInt(((Integer)data).intValue());
 122  0
         } else if (data instanceof Short) {
 123  0
             dataOut.writeShort(((Short)data).shortValue());
 124  0
         } else if (data instanceof Character) {
 125  0
             dataOut.writeChar(((Character)data).charValue());
 126  0
         } else if (data instanceof Byte) {
 127  0
             dataOut.writeByte(((Byte)data).byteValue());
 128  0
         } else if (data instanceof Boolean) {
 129  0
             dataOut.writeBoolean(((Boolean)data).booleanValue());
 130  
         }
 131  
 
 132  0
     }
 133  
 }