/**
* 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.sdb;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.simpledb.AmazonSimpleDB;
import com.amazonaws.services.simpledb.AmazonSimpleDBClient;
import com.amazonaws.services.simpledb.model.CreateDomainRequest;
import com.amazonaws.services.simpledb.model.DomainMetadataRequest;
import com.amazonaws.services.simpledb.model.NoSuchDomainException;
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.component.aws.s3.S3Endpoint;
import org.apache.camel.impl.ScheduledPollEndpoint;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Defines the <a href="http://camel.apache.org/aws.html">AWS SDB Endpoint</a>.
*
*/
public class SdbEndpoint extends ScheduledPollEndpoint {
private static final Logger LOG = LoggerFactory.getLogger(S3Endpoint.class);
private SdbConfiguration configuration;
@Deprecated
public SdbEndpoint(String uri, CamelContext context, SdbConfiguration configuration) {
super(uri, context);
this.configuration = configuration;
}
public SdbEndpoint(String uri, Component component, SdbConfiguration 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 SdbProducer(this);
}
public boolean isSingleton() {
return true;
}
@Override
public void doStart() throws Exception {
super.doStart();
AmazonSimpleDB sdbClient = getSdbClient();
String domainName = getConfiguration().getDomainName();
LOG.trace("Querying whether domain [{}] already exists...", domainName);
try {
sdbClient.domainMetadata(new DomainMetadataRequest(domainName));
LOG.trace("Domain [{}] already exists", domainName);
return;
} catch (NoSuchDomainException ase) {
LOG.trace("Domain [{}] doesn't exist yet", domainName);
LOG.trace("Creating domain [{}]...", domainName);
sdbClient.createDomain(new CreateDomainRequest(domainName));
LOG.trace("Domain [{}] created", domainName);
}
}
public SdbConfiguration getConfiguration() {
return configuration;
}
public AmazonSimpleDB getSdbClient() {
return configuration.getAmazonSDBClient() != null ? configuration.getAmazonSDBClient() : createSdbClient();
}
AmazonSimpleDB createSdbClient() {
AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey());
AmazonSimpleDB client = new AmazonSimpleDBClient(credentials);
if (configuration.getAmazonSdbEndpoint() != null) {
client.setEndpoint(configuration.getAmazonSdbEndpoint());
}
configuration.setAmazonSDBClient(client);
return client;
}
}