Package org.apache.activemq.transport.stomp

Class JmsFrameTranslator

java.lang.Object

org.apache.activemq.transport.stomp.LegacyFrameTranslator

org.apache.activemq.transport.stomp.JmsFrameTranslator

All Implemented Interfaces:

BrokerContextAware, FrameTranslator

public class JmsFrameTranslator
extends LegacyFrameTranslator
implements BrokerContextAware

Frame translator implementation that uses XStream to convert messages to and from XML and JSON

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.activemq.transport.stomp.FrameTranslator

FrameTranslator.Helper

Constructor Summary

Constructors

Constructor	Description
JmsFrameTranslator()

Method Summary

Modifier and Type	Method	Description
ActiveMQMessage	convertFrame(ProtocolConverter converter, StompFrame command)
StompFrame	convertMessage(ProtocolConverter converter, ActiveMQMessage message)
protected ActiveMQMapMessage	createMapMessage(com.thoughtworks.xstream.io.HierarchicalStreamReader in)
protected ActiveMQObjectMessage	createObjectMessage(com.thoughtworks.xstream.io.HierarchicalStreamReader in)
protected com.thoughtworks.xstream.XStream	createXStream()
BrokerContext	getBrokerContext()
com.thoughtworks.xstream.XStream	getXStream()
protected String	marshall(Serializable object, String transformation)	Marshal the Object to a string using XML or JSON encoding
protected String	marshallAdvisory(DataStructure ds)	Return an Advisory message as a JSON formatted string
protected String	marshallAdvisory(DataStructure ds, String transformation)
void	setBrokerContext(BrokerContext brokerContext)
void	setXStream(com.thoughtworks.xstream.XStream xStream)

Methods inherited from class org.apache.activemq.transport.stomp.LegacyFrameTranslator

convertDestination, convertDestination

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JmsFrameTranslator

public JmsFrameTranslator()

Method Detail

convertFrame

public ActiveMQMessage convertFrame(ProtocolConverter converter,
                                    StompFrame command)
                             throws JMSException,
                                    ProtocolException

Specified by:

convertFrame in interface FrameTranslator

Overrides:

convertFrame in class LegacyFrameTranslator

Throws:

JMSException

ProtocolException

convertMessage

public StompFrame convertMessage(ProtocolConverter converter,
                                 ActiveMQMessage message)
                          throws IOException,
                                 JMSException

Specified by:

convertMessage in interface FrameTranslator

Overrides:

convertMessage in class LegacyFrameTranslator

Throws:

IOException

JMSException

marshall

protected String marshall(Serializable object,
                          String transformation)
                   throws JMSException

Marshal the Object to a string using XML or JSON encoding

Parameters:

object - the object to marshal

transformation - the transformation to apply to the object.

Throws:

JMSException - if an error occurs during the marshal operation.

createObjectMessage

protected ActiveMQObjectMessage createObjectMessage(com.thoughtworks.xstream.io.HierarchicalStreamReader in)
                                             throws JMSException

Throws:

JMSException

createMapMessage

protected ActiveMQMapMessage createMapMessage(com.thoughtworks.xstream.io.HierarchicalStreamReader in)
                                       throws JMSException

Throws:

JMSException

marshallAdvisory

protected String marshallAdvisory(DataStructure ds,
                                  String transformation)

getXStream

public com.thoughtworks.xstream.XStream getXStream()

setXStream

public void setXStream(com.thoughtworks.xstream.XStream xStream)

createXStream

protected com.thoughtworks.xstream.XStream createXStream()

setBrokerContext

public void setBrokerContext(BrokerContext brokerContext)

Specified by:

setBrokerContext in interface BrokerContextAware

getBrokerContext

public BrokerContext getBrokerContext()

Specified by:

getBrokerContext in interface BrokerContextAware

marshallAdvisory

protected String marshallAdvisory(DataStructure ds)

Return an Advisory message as a JSON formatted string

Parameters:

ds - the DataStructure instance that is being marshaled.

Returns:

the JSON marshaled form of the given DataStructure instance.