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

Interface PubSubMessageConverter

All Known Implementing Classes:

JacksonPubSubMessageConverter, SimplePubSubMessageConverter

public interface PubSubMessageConverter

Interface for converters that can convert POJOs to and from Pub/Sub messages.

Author:

Chengyuan Zhao, Mike Eltsufin

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.

Method Detail

toPubSubMessage

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.

Parameters:

payload - the object to place into the message payload

headers - the headers of the message

Returns:

the PubsubMessage ready to be sent

fromPubSubMessage

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

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

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