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10.10. 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.AmazonSNS 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.
|
proxyHost
|
null
|
Producer | Specify a proxy host to be used inside the client definition. |
proxyPort
|
null
|
Producer | Specify a proxy port to be used inside the client definition. |
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
| 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
| Header | Type | Description |
|---|---|---|
CamelAwsSnsMessageId
|
String
|
The Amazon SNS message ID. |
Advanced AmazonSNS configuration
If you need more control over the
AmazonSNS instance configuration you can create your own instance and refer to it from the URI:
from("direct:start")
.to("aws-sns://MyTopic?amazonSNSClient=#client");
The
#client refers to a AmazonSNS 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);
AmazonSNS client = new AmazonSNSClient(awsCredentials, clientConfiguration);
registry.bind("client", client);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).
