AWS-SNS

SNS Component

Available as of Camel 2.8

The SNS component allows messages to be sent to an Amazon Simple Notification Topic. The implementation of the Amazon API is provided by the AWS SDK.

Prerequisites

You must have a valid Amazon Web Services developer account, and be signed up to use Amazon SNS. More information are available at Amazon SNS.

URI Format

aws-sns://topicName[?options]

The topic will be created if they don't already exists.
You can append query options to the URI in the following format, ?options=value&option2=value&...

URI Options

Name	Default Value	Context	Description
amazonSNSClient	`null`	Producer	Reference to a `com.amazonaws.services.sns.AmazonSNSClient` in the Registry.
accessKey	`null`	Producer	Amazon AWS Access Key
secretKey	`null`	Producer	Amazon AWS Secret Key
subject	`null`	Producer	The subject which is used if the message header 'CamelAwsSnsSubject' is not present.
amazonSNSEndpoint	`null`	Producer	The region with which the AWS-SNS client wants to work with.
policy	`null`	Producer	Camel 2.8.4: The policy for this queue to set in the `com.amazonaws.services.sns.model.SetTopicAttributesRequest`.

Required SNS component options

You have to provide the amazonSNSClient in the Registry or your accessKey and secretKey to access the Amazon's SNS.

Usage

Message headers evaluated by the SNS producer

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Header	Type	Description
`CamelAwsSnsSubject`	`String`	The Amazon SNS message subject. If not set, the subject from the `SnsConfiguration` is used.

Message headers set by the SNS producer

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Header	Type	Description
`CamelAwsSnsMessageId`	`String`	The Amazon SNS message ID.

Advanced AmazonSNSClient configuration

If you need more control over the AmazonSNSClient configuration you can create your own instance and refer to it from the URI:

from("direct:start")
.to("aws-sns://MyTopic?amazonSNSClient=#amazonSNSClient");

The #amazonSNSClient refers to a AmazonSNSClient in the Registry.

For example if your Camel Application is running behind a firewall:

AWSCredentials awsCredentials = new BasicAWSCredentials("myAccessKey", "mySecretKey");
ClientConfiguration clientConfiguration = new ClientConfiguration();
clientConfiguration.setProxyHost("http://myProxyHost");
clientConfiguration.setProxyPort(8080);
AmazonSNSClient amazonSNSClient = new AmazonSNSClient(awsCredentials, clientConfiguration);

Dependencies

Maven users will need to add the following dependency to their pom.xml.

pom.xml

<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-aws</artifactId>
    <version>${camel-version}</version>
</dependency>

where ${camel-version} must be replaced by the actual version of Camel (2.8 or higher).

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