Package org.springframework.amqp.support.converter

Class AbstractMessageConverter

java.lang.Object

org.springframework.amqp.support.converter.AbstractMessageConverter

All Implemented Interfaces:

MessageConverter

Direct Known Subclasses:

AbstractJackson2MessageConverter, AllowedListDeserializingMessageConverter, MarshallingMessageConverter

public abstract class AbstractMessageConverter
extends Object
implements MessageConverter

Convenient base class for MessageConverter implementations.

Author:

Dave Syer, Gary Russell

Constructor Summary

Constructors

Constructor	Description
AbstractMessageConverter()

Method Summary

Modifier and Type	Method	Description
protected abstract Message	createMessage(Object object, MessageProperties messageProperties)	Crate a message from the payload object and message properties provided.
protected Message	createMessage(Object object, MessageProperties messageProperties, Type genericType)	Crate a message from the payload object and message properties provided.
protected boolean	isCreateMessageIds()	Flag to indicate that new messages should have unique identifiers added to their properties before sending.
void	setCreateMessageIds(boolean createMessageIds)	Flag to indicate that new messages should have unique identifiers added to their properties before sending.
final Message	toMessage(Object object, MessageProperties messageProperties)	Convert a Java object to a Message.
final Message	toMessage(Object object, MessageProperties messagePropertiesArg, Type genericType)	Convert a Java object to a Message.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.amqp.support.converter.MessageConverter

fromMessage

Constructor Details

AbstractMessageConverter

public AbstractMessageConverter()

Method Details

setCreateMessageIds

public void setCreateMessageIds(boolean createMessageIds)

Flag to indicate that new messages should have unique identifiers added to their properties before sending. Default false.

Parameters:

createMessageIds - the flag value to set

isCreateMessageIds

protected boolean isCreateMessageIds()

Flag to indicate that new messages should have unique identifiers added to their properties before sending.

Returns:

the flag value

toMessage

public final Message toMessage(Object object,
 MessageProperties messageProperties)
                        throws MessageConversionException

Description copied from interface: MessageConverter

Convert a Java object to a Message.

Specified by:

toMessage in interface MessageConverter

Parameters:

object - the object to convert

messageProperties - The message properties.

Returns:

the Message

Throws:

MessageConversionException - in case of conversion failure

toMessage

public final Message toMessage(Object object,
 @Nullable
 MessageProperties messagePropertiesArg,
 @Nullable
 Type genericType)
                        throws MessageConversionException

Description copied from interface: MessageConverter

Convert a Java object to a Message. The default implementation calls MessageConverter.toMessage(Object, MessageProperties).

Specified by:

toMessage in interface MessageConverter

Parameters:

object - the object to convert

messagePropertiesArg - The message properties.

genericType - the type to use to populate type headers.

Returns:

the Message

Throws:

MessageConversionException - in case of conversion failure

createMessage

protected Message createMessage(Object object,
 MessageProperties messageProperties,
 @Nullable
 Type genericType)

Crate a message from the payload object and message properties provided. The message id will be added to the properties if necessary later.

Parameters:

object - the payload

messageProperties - the message properties (headers)

genericType - the type to convert from - used to populate type headers.

Returns:

a message

Since:

2.1

createMessage

protected abstract Message createMessage(Object object,
 MessageProperties messageProperties)

Crate a message from the payload object and message properties provided. The message id will be added to the properties if necessary later.

Parameters:

object - the payload.

messageProperties - the message properties (headers).

Returns:

a message.