/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.component.aws.sns;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.sns.AmazonSNS;
import com.amazonaws.services.sns.AmazonSNSClient;
import com.amazonaws.services.sns.model.CreateTopicRequest;
import com.amazonaws.services.sns.model.CreateTopicResult;
import com.amazonaws.services.sns.model.SetTopicAttributesRequest;
import org.apache.camel.CamelContext;
import org.apache.camel.Component;
import org.apache.camel.Consumer;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.impl.DefaultEndpoint;
import org.apache.camel.util.ObjectHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Defines the <a href="http://camel.apache.org/aws.html">AWS SNS Endpoint</a>.
*
*/
public class SnsEndpoint extends DefaultEndpoint {
private static final Logger LOG = LoggerFactory.getLogger(SnsEndpoint.class);
private SnsConfiguration configuration;
private AmazonSNS snsClient;
@Deprecated
public SnsEndpoint(String uri, CamelContext context, SnsConfiguration configuration) {
super(uri, context);
this.configuration = configuration;
}
public SnsEndpoint(String uri, Component component, SnsConfiguration configuration) {
super(uri, component);
this.configuration = configuration;
}
public Consumer createConsumer(Processor processor) throws Exception {
throw new UnsupportedOperationException("You cannot receive messages from this endpoint");
}
public Producer createProducer() throws Exception {
return new SnsProducer(this);
}
public boolean isSingleton() {
return true;
}
@Override
public void doStart() throws Exception {
super.doStart();
snsClient = configuration.getAmazonSNSClient() != null
? configuration.getAmazonSNSClient() : createSNSClient();
// creates a new topic, or returns the URL of an existing one
CreateTopicRequest request = new CreateTopicRequest(configuration.getTopicName());
LOG.trace("Creating topic [{}] with request [{}]...", configuration.getTopicName(), request);
CreateTopicResult result = snsClient.createTopic(request);
configuration.setTopicArn(result.getTopicArn());
LOG.trace("Topic created with Amazon resource name: {}", configuration.getTopicArn());
if (ObjectHelper.isNotEmpty(configuration.getPolicy())) {
LOG.trace("Updating topic [{}] with policy [{}]", configuration.getTopicArn(), configuration.getPolicy());
snsClient.setTopicAttributes(new SetTopicAttributesRequest(configuration.getTopicArn(), "Policy", configuration.getPolicy()));
LOG.trace("Topic policy updated");
}
// Override the setting Endpoint from url
if (ObjectHelper.isNotEmpty(configuration.getAmazonSNSEndpoint())) {
LOG.trace("Updating the SNS region with : {} " + configuration.getAmazonSNSEndpoint());
snsClient.setEndpoint(configuration.getAmazonSNSEndpoint());
}
}
public SnsConfiguration getConfiguration() {
return configuration;
}
public void setConfiguration(SnsConfiguration configuration) {
this.configuration = configuration;
}
public void setSNSClient(AmazonSNS snsClient) {
this.snsClient = snsClient;
}
public AmazonSNS getSNSClient() {
return snsClient;
}
/**
* Provide the possibility to override this method for an mock implementation
*
* @return AmazonSNSClient
*/
AmazonSNS createSNSClient() {
AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey());
AmazonSNS client = new AmazonSNSClient(credentials);
return client;
}
}