Example usage for com.amazonaws.services.sns.model PublishRequest withMessageStructure

Introduction

In this page you can find the example usage for com.amazonaws.services.sns.model PublishRequest withMessageStructure.

Prototype

public PublishRequest withMessageStructure(String messageStructure) 

Source Link

Document

Set MessageStructure to json if you want to send a different message for each protocol.

Usage

From source file:org.springframework.integration.aws.outbound.SnsMessageHandler.java

License:Apache License

@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
    Object payload = requestMessage.getPayload();

    PublishRequest publishRequest = null;

    if (payload instanceof PublishRequest) {
        publishRequest = (PublishRequest) payload;
    } else {//from  www .  j  a  v a 2 s.  c  o m
        Assert.state(this.topicArnExpression != null, "'topicArn' or 'topicArnExpression' must be specified.");
        publishRequest = new PublishRequest();
        String topicArn = this.topicArnExpression.getValue(this.evaluationContext, requestMessage,
                String.class);
        if (this.resourceIdResolver != null) {
            topicArn = this.resourceIdResolver.resolveToPhysicalResourceId(topicArn);
        }
        publishRequest.setTopicArn(topicArn);

        if (this.subjectExpression != null) {
            String subject = this.subjectExpression.getValue(this.evaluationContext, requestMessage,
                    String.class);
            publishRequest.setSubject(subject);
        }

        Object snsMessage = requestMessage.getPayload();

        if (this.bodyExpression != null) {
            snsMessage = this.bodyExpression.getValue(this.evaluationContext, requestMessage);
        }

        if (snsMessage instanceof SnsBodyBuilder) {
            publishRequest.withMessageStructure("json").setMessage(((SnsBodyBuilder) snsMessage).build());
        } else {
            publishRequest.setMessage(getConversionService().convert(snsMessage, String.class));
        }
    }

    PublishResult publishResult = this.amazonSns.publish(publishRequest);

    if (this.produceReply) {
        return getMessageBuilderFactory().withPayload(publishRequest)
                .setHeader(AwsHeaders.TOPIC, publishRequest.getTopicArn())
                .setHeader(AwsHeaders.SNS_PUBLISHED_MESSAGE_ID, publishResult.getMessageId());
    } else {
        return null;
    }
}

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