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ActiveMQ example source code file (XmppWireFormat.java)

This example ActiveMQ source code file (XmppWireFormat.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

bytearrayinputstream, bytearrayoutputstream, bytearrayoutputstream, bytesequence, datainputstream, dataoutputstream, dataoutputstream, io, ioexception, ioexception, object, object, todo, wireformat, xmppwireformat

The ActiveMQ XmppWireFormat.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.transport.xmpp;

import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.IOException;

import org.apache.activemq.util.ByteArrayInputStream;
import org.apache.activemq.util.ByteArrayOutputStream;
import org.apache.activemq.util.ByteSequence;
import org.apache.activemq.wireformat.WireFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A wire format which uses XMPP format of messages
 *
 * 
 */
public class XmppWireFormat implements WireFormat {
    
    private int version = 1;

    public WireFormat copy() {
        return new XmppWireFormat();
    }

    /*
    public Packet readPacket(DataInput in) throws IOException {
        return null;
    }

    public Packet readPacket(int firstByte, DataInput in) throws IOException {
        return null;
    }

    public Packet writePacket(Packet packet, DataOutput out) throws IOException, JMSException {
        switch (packet.getPacketType()) {
            case Packet.ACTIVEMQ_MESSAGE:
                writeMessage((ActiveMQMessage) packet, "", out);
                break;

            case Packet.ACTIVEMQ_TEXT_MESSAGE:
                writeTextMessage((ActiveMQTextMessage) packet, out);
                break;

            case Packet.ACTIVEMQ_BYTES_MESSAGE:
                writeBytesMessage((ActiveMQBytesMessage) packet, out);
                break;

            case Packet.ACTIVEMQ_OBJECT_MESSAGE:
                writeObjectMessage((ActiveMQObjectMessage) packet, out);
                break;

            case Packet.ACTIVEMQ_MAP_MESSAGE:
            case Packet.ACTIVEMQ_STREAM_MESSAGE:


            case Packet.ACTIVEMQ_BROKER_INFO:
            case Packet.ACTIVEMQ_CONNECTION_INFO:
            case Packet.ACTIVEMQ_MSG_ACK:
            case Packet.CONSUMER_INFO:
            case Packet.DURABLE_UNSUBSCRIBE:
            case Packet.INT_RESPONSE_RECEIPT_INFO:
            case Packet.PRODUCER_INFO:
            case Packet.RECEIPT_INFO:
            case Packet.RESPONSE_RECEIPT_INFO:
            case Packet.SESSION_INFO:
            case Packet.TRANSACTION_INFO:
            case Packet.XA_TRANSACTION_INFO:
            default:
                log.warn("Ignoring message type: " + packet.getPacketType() + " packet: " + packet);
        }
        return null;
    }
*/

//    /**
//     * Can this wireformat process packets of this version
//     * @param version the version number to test
//     * @return true if can accept the version
//     */
//    public boolean canProcessWireFormatVersion(int version){
//        return true;
//    }
//
//    /**
//     * @return the current version of this wire format
//     */
//    public int getCurrentWireFormatVersion(){
//        return 1;
//    }
//
//    // Implementation methods
//    //-------------------------------------------------------------------------
//    protected void writeObjectMessage(ActiveMQObjectMessage message, DataOutput out) throws JMSException, IOException {
//        Serializable object = message.getObject();
//        String text = (object != null) ? object.toString() : "";
//        writeMessage(message, text, out);
//    }
//
//    protected void writeTextMessage(ActiveMQTextMessage message, DataOutput out) throws JMSException, IOException {
//        writeMessage(message, message.getText(), out);
//    }
//
//    protected void writeBytesMessage(ActiveMQBytesMessage message, DataOutput out) throws IOException {
//        ByteArray data = message.getBodyAsBytes();
//        String text = encodeBinary(data.getBuf(),data.getOffset(),data.getLength());
//        writeMessage(message, text, out);
//    }
//
//    protected void writeMessage(ActiveMQMessage message, String body, DataOutput out) throws IOException {
//        String type = getXmppType(message);
//
//        StringBuffer buffer = new StringBuffer("<");
//        buffer.append(type);
//        buffer.append(" to='");
//        buffer.append(message.getJMSDestination().toString());
//        buffer.append("' from='");
//        buffer.append(message.getJMSReplyTo().toString());
//        String messageID = message.getJMSMessageID();
//        if (messageID != null) {
//            buffer.append("' id='");
//            buffer.append(messageID);
//        }
//
//        HashMap properties = message.getProperties();
//        if (properties != null) {
//            for (Iterator iter = properties.entrySet().iterator(); iter.hasNext();) {
//                Map.Entry entry = (Map.Entry) iter.next();
//                Object key = entry.getKey();
//                Object value = entry.getValue();
//                if (value != null) {
//                    buffer.append("' ");
//                    buffer.append(key.toString());
//                    buffer.append("='");
//                    buffer.append(value.toString());
//                }
//            }
//        }
//
//        buffer.append("'>");
//
//        String id = message.getJMSCorrelationID();
//        if (id != null) {
//            buffer.append("<thread>");
//            buffer.append(id);
//            buffer.append("</thread>");
//        }
//        buffer.append(body);
//        buffer.append("</");
//        buffer.append(type);
//        buffer.append(">");
//
//        out.write(buffer.toString().getBytes());
//    }
//
//    protected String encodeBinary(byte[] data,int offset,int length) {
//        // TODO
//        throw new RuntimeException("Not implemented yet!");
//    }
//
//    protected String getXmppType(ActiveMQMessage message) {
//        String type = message.getJMSType();
//        if (type == null) {
//            type = "message";
//        }
//        return type;
//    }


    public ByteSequence marshal(Object command) throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);
        marshal(command, dos);
        dos.close();
        return baos.toByteSequence();
    }

    public Object unmarshal(ByteSequence packet) throws IOException {
        ByteArrayInputStream stream = new ByteArrayInputStream(packet);
        DataInputStream dis = new DataInputStream(stream);
        return unmarshal(dis);
    }

    public void marshal(Object object, DataOutput dataOutput) throws IOException {
        /** TODO */
    }

    public Object unmarshal(DataInput dataInput) throws IOException {
        return null;  /** TODO */
    }


    public int getVersion() {
        return version;
    }

    public void setVersion(int version) {
        this.version = version;
    }
    
	public boolean inReceive() {
		// TODO Implement for inactivity monitor
		return false;
	}
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ XmppWireFormat.java source code file:

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