org.springframework.cloud.gcp.pubsub.support.converter

Class JacksonPubSubMessageConverter

java.lang.Object

org.springframework.cloud.gcp.pubsub.support.converter.JacksonPubSubMessageConverter

All Implemented Interfaces:

PubSubMessageConverter

public class JacksonPubSubMessageConverter
extends Object
implements PubSubMessageConverter

A converter using Jackson JSON.

Author:

Chengyuan Zhao, Mike Eltsufin

Constructor Summary

Constructors

Constructor and Description
JacksonPubSubMessageConverter(com.fasterxml.jackson.databind.ObjectMapper objectMapper) Constructor.

Method Summary

Modifier and Type	Method and Description
<T> T	fromPubSubMessage(com.google.pubsub.v1.PubsubMessage message, Class<T> payloadType) Convert the payload of a given PubsubMessage to a desired Java type.
com.google.pubsub.v1.PubsubMessage	toPubSubMessage(Object payload, Map<String,String> headers) Create a PubsubMessage given an object for the payload and a map of headers.

Methods inherited from class java.lang.Object

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

Constructor Detail

JacksonPubSubMessageConverter

public JacksonPubSubMessageConverter(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Constructor.

Parameters:

objectMapper - the object mapper used to create and read JSON.

Method Detail

toPubSubMessage

public com.google.pubsub.v1.PubsubMessage toPubSubMessage(Object payload,
                                                          Map<String,String> headers)

Description copied from interface: PubSubMessageConverter

Create a PubsubMessage given an object for the payload and a map of headers.

Specified by:

toPubSubMessage in interface PubSubMessageConverter

Parameters:

payload - the object to place into the message payload

headers - the headers of the message

Returns:

the PubsubMessage ready to be sent

fromPubSubMessage

public <T> T fromPubSubMessage(com.google.pubsub.v1.PubsubMessage message,
                               Class<T> payloadType)

Description copied from interface: PubSubMessageConverter

Convert the payload of a given PubsubMessage to a desired Java type.

Specified by:

fromPubSubMessage in interface PubSubMessageConverter

Type Parameters:

T - the type of the payload

Parameters:

message - the message containing the payload of the object

payloadType - the desired type of the object

Returns:

the object converted from the message's payload