/**
* 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.ClientConfiguration;
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.apache.camel.spi.UriEndpoint;
import org.apache.camel.spi.UriParam;
import org.apache.camel.util.ObjectHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The aws-sdb component is for storing and retrieving data from/to Amazon's SDB service.
*/
@UriEndpoint(firstVersion = "2.9.0", scheme = "aws-sdb", title = "AWS SimpleDB", syntax = "aws-sdb:domainName", producerOnly = true, label = "cloud,database,nosql")
public class SdbEndpoint extends ScheduledPollEndpoint {
private static final Logger LOG = LoggerFactory.getLogger(S3Endpoint.class);
private AmazonSimpleDB sdbClient;
@UriParam
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();
sdbClient = configuration.getAmazonSDBClient() != null ? configuration.getAmazonSDBClient() : createSdbClient();
if (ObjectHelper.isNotEmpty(configuration.getAmazonSdbEndpoint())) {
sdbClient.setEndpoint(configuration.getAmazonSdbEndpoint());
}
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 sdbClient;
}
AmazonSimpleDB createSdbClient() {
AmazonSimpleDB client = null;
ClientConfiguration clientConfiguration = null;
boolean isClientConfigFound = false;
if (ObjectHelper.isNotEmpty(configuration.getProxyHost()) && ObjectHelper.isNotEmpty(configuration.getProxyPort())) {
clientConfiguration = new ClientConfiguration();
clientConfiguration.setProxyHost(configuration.getProxyHost());
clientConfiguration.setProxyPort(configuration.getProxyPort());
isClientConfigFound = true;
}
if (configuration.getAccessKey() != null && configuration.getSecretKey() != null) {
AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey());
if (isClientConfigFound) {
client = new AmazonSimpleDBClient(credentials, clientConfiguration);
} else {
client = new AmazonSimpleDBClient(credentials);
}
} else {
if (isClientConfigFound) {
client = new AmazonSimpleDBClient();
} else {
client = new AmazonSimpleDBClient(clientConfiguration);
}
}
return client;
}
}