JsonMessageConverter

java.lang.Object

gda.util.JsonMessageConverter

public class JsonMessageConverter extends Object

Utility class to convert JMS text and bytes messages to/from JSON

Constructor Summary

Constructors

Constructor

Description

JsonMessageConverter()
Method Summary

Modifier and Type

Method

Description

<T> T

fromMessage(javax.jms.Message message, Class<T> targetType)

Extract the (assumed) JSON body of a JMS Message and deserialize it to a Java object

javax.jms.Message

toMessage(Object object, javax.jms.Session session)

Convert an object to a JSON string inside a TextMessage

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- JsonMessageConverter
  
  public JsonMessageConverter()
Method Details
- toMessage
  
  public javax.jms.Message toMessage(Object object, javax.jms.Session session) throws javax.jms.JMSException, JsonMessageConversionException
  
  Convert an object to a JSON string inside a TextMessage
  
  Parameters:
  
  object - The message body, will be serialized to JSON
  
  session - The JMS session for the TextMessage
  
  Returns:
  
  a new JMS Message
  
  Throws:
  
  javax.jms.JMSException - If there is a problem with the session
  
  JsonMessageConversionException - if there is a problem serializing the body
- fromMessage
  
  public <T> T fromMessage(javax.jms.Message message, Class<T> targetType) throws javax.jms.JMSException, JsonMessageConversionException
  
  Extract the (assumed) JSON body of a JMS Message and deserialize it to a Java object
  
  Type Parameters:
  
  T - The expected type of the body
  
  Parameters:
  
  message - The JMS Message to decode
  
  targetType - The expected type of the body
  
  Returns:
  
  The deserialized message body
  
  Throws:
  
  javax.jms.JMSException - if there a problem extracting the body from the message
  
  JsonMessageConversionException - if there is a problem deserializing the body