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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.jms.support.converter 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.jms.support.converter.SimpleMessageConverter

All known Subclasses:   org.springframework.jms.support.converter.SimpleMessageConverter102,
SimpleMessageConverter
public class SimpleMessageConverter implements MessageConverter(Code)
A simple message converter which is able to handle TextMessages, BytesMessages, MapMessages, and ObjectMessages. Used as default conversion strategy by org.springframework.jms.core.JmsTemplate , for convertAndSend and receiveAndConvert operations.

Converts a String to a javax.jms.TextMessage , a byte array to a javax.jms.BytesMessage , a Map to a javax.jms.MapMessage , and a Serializable object to a javax.jms.ObjectMessage (or vice versa).

This converter implementation works for both JMS 1.1 and JMS 1.0.2, except when extracting a byte array from a BytesMessage. So for converting BytesMessages with a JMS 1.0.2 provider, use SimpleMessageConverter102 . (As you would expect, org.springframework.jms.core.JmsTemplate102 uses SimpleMessageConverter102 as default.)
author:
   Juergen Hoeller
since:
   1.1
See Also:   org.springframework.jms.core.JmsTemplate.convertAndSend
See Also:   org.springframework.jms.core.JmsTemplate.receiveAndConvert





Method Summary
protected  BytesMessagecreateMessageForByteArray(byte[] bytes, Session session)
     Create a JMS BytesMessage for the given byte array.
protected  MapMessagecreateMessageForMap(Map map, Session session)
     Create a JMS MapMessage for the given Map.
protected  ObjectMessagecreateMessageForSerializable(Serializable object, Session session)
     Create a JMS ObjectMessage for the given Serializable object.
protected  TextMessagecreateMessageForString(String text, Session session)
     Create a JMS TextMessage for the given String.
protected  byte[]extractByteArrayFromMessage(BytesMessage message)
     Extract a byte array from the given BytesMessage .
protected  MapextractMapFromMessage(MapMessage message)
     Extract a Map from the given MapMessage .
protected  SerializableextractSerializableFromMessage(ObjectMessage message)
     Extract a Serializable object from the given ObjectMessage .
protected  StringextractStringFromMessage(TextMessage message)
     Extract a String from the given TextMessage.
public  ObjectfromMessage(Message message)
     This implementation converts a TextMessage back to a String, a ByteMessage back to a byte array, a MapMessage back to a Map, and an ObjectMessage back to a Serializable object.
public  MessagetoMessage(Object object, Session session)
     This implementation creates a TextMessage for a String, a BytesMessage for a byte array, a MapMessage for a Map, and an ObjectMessage for a Serializable object.



Method Detail
createMessageForByteArray
protected BytesMessage createMessageForByteArray(byte[] bytes, Session session) throws JMSException(Code)
Create a JMS BytesMessage for the given byte array.
Parameters:
  bytes - the byyte array to convert
Parameters:
  session - current JMS session the resulting message
throws:
  JMSException - if thrown by JMS methods
See Also:   javax.jms.Session.createBytesMessage



createMessageForMap
protected MapMessage createMessageForMap(Map map, Session session) throws JMSException(Code)
Create a JMS MapMessage for the given Map.
Parameters:
  map - the Map to convert
Parameters:
  session - current JMS session the resulting message
throws:
  JMSException - if thrown by JMS methods
See Also:   javax.jms.Session.createMapMessage



createMessageForSerializable
protected ObjectMessage createMessageForSerializable(Serializable object, Session session) throws JMSException(Code)
Create a JMS ObjectMessage for the given Serializable object.
Parameters:
  object - the Serializable object to convert
Parameters:
  session - current JMS session the resulting message
throws:
  JMSException - if thrown by JMS methods
See Also:   javax.jms.Session.createObjectMessage



createMessageForString
protected TextMessage createMessageForString(String text, Session session) throws JMSException(Code)
Create a JMS TextMessage for the given String.
Parameters:
  text - the String to convert
Parameters:
  session - current JMS session the resulting message
throws:
  JMSException - if thrown by JMS methods
See Also:   javax.jms.Session.createTextMessage



extractByteArrayFromMessage
protected byte[] extractByteArrayFromMessage(BytesMessage message) throws JMSException(Code)
Extract a byte array from the given BytesMessage .
Parameters:
  message - the message to convert the resulting byte array
throws:
  JMSException - if thrown by JMS methods



extractMapFromMessage
protected Map extractMapFromMessage(MapMessage message) throws JMSException(Code)
Extract a Map from the given MapMessage .
Parameters:
  message - the message to convert the resulting Map
throws:
  JMSException - if thrown by JMS methods



extractSerializableFromMessage
protected Serializable extractSerializableFromMessage(ObjectMessage message) throws JMSException(Code)
Extract a Serializable object from the given ObjectMessage .
Parameters:
  message - the message to convert the resulting Serializable object
throws:
  JMSException - if thrown by JMS methods



extractStringFromMessage
protected String extractStringFromMessage(TextMessage message) throws JMSException(Code)
Extract a String from the given TextMessage.
Parameters:
  message - the message to convert the resulting String
throws:
  JMSException - if thrown by JMS methods



fromMessage
public Object fromMessage(Message message) throws JMSException, MessageConversionException(Code)
This implementation converts a TextMessage back to a String, a ByteMessage back to a byte array, a MapMessage back to a Map, and an ObjectMessage back to a Serializable object. Returns the plain Message object in case of an unknown message type.
See Also:   SimpleMessageConverter.extractStringFromMessage
See Also:   SimpleMessageConverter.extractByteArrayFromMessage
See Also:   SimpleMessageConverter.extractMapFromMessage
See Also:   SimpleMessageConverter.extractSerializableFromMessage



toMessage
public Message toMessage(Object object, Session session) throws JMSException, MessageConversionException(Code)
This implementation creates a TextMessage for a String, a BytesMessage for a byte array, a MapMessage for a Map, and an ObjectMessage for a Serializable object.
See Also:   SimpleMessageConverter.createMessageForString
See Also:   SimpleMessageConverter.createMessageForByteArray
See Also:   SimpleMessageConverter.createMessageForMap
See Also:   SimpleMessageConverter.createMessageForSerializable



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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