com.amazonaws.services.sns.message

Class SnsMessageManager

java.lang.Object

com.amazonaws.services.sns.message.SnsMessageManager

public class SnsMessageManager
extends Object

Unmarshalls an SNS message and validates it using the SNS public certificate.

Constructor Summary

Constructors

Constructor and Description
SnsMessageManager() Creates an SnsMessageManager using the AWS region obtained from the environment.
SnsMessageManager(String region) Creates an SnsMessageManager pinned to the given region.

Method Summary

Modifier and Type	Method and Description
void	handleMessage(InputStream messageBody, SnsMessageHandler handler) Unmarshalls a message and delivers it to the given handler.
SnsMessage	parseMessage(InputStream messageBody) Unmarshalls a message into a subclass of SnsMessage.

Methods inherited from class java.lang.Object

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

Constructor Detail

SnsMessageManager

public SnsMessageManager()

Creates an SnsMessageManager using the AWS region obtained from the environment. See Region Selection for more information.

SnsMessageManager

public SnsMessageManager(String region)

Creates an SnsMessageManager pinned to the given region. This handler will throw an exception if it recieves a message from another region. If you must handle messages from multiple regions then you should maintain a cache of region to SnsMessageManager instances.

Parameters:

region - Region to pin handler to.

Method Detail

parseMessage

public SnsMessage parseMessage(InputStream messageBody)

Unmarshalls a message into a subclass of SnsMessage. This will automatically validate the authenticity of the mesage to ensure it was sent by SNS. If the validity of the message cannot be verified an exception will be thrown.

Parameters:

messageBody - Input stream containing message JSON.

Returns:

Unmarshalled message object.

handleMessage

public void handleMessage(InputStream messageBody,
                          SnsMessageHandler handler)

Unmarshalls a message and delivers it to the given handler.

Parameters:

messageBody - Input stream containing message JSON.

handler - Handler to process message.