| /* |
| * 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.AWSCredentialsProvider; |
| import com.amazonaws.auth.AWSStaticCredentialsProvider; |
| import com.amazonaws.auth.BasicAWSCredentials; |
| import com.amazonaws.regions.Regions; |
| import com.amazonaws.services.simpledb.AmazonSimpleDB; |
| import com.amazonaws.services.simpledb.AmazonSimpleDBClientBuilder; |
| 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.Component; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.spi.UriEndpoint; |
| import org.apache.camel.spi.UriParam; |
| import org.apache.camel.support.ScheduledPollEndpoint; |
| 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(SdbEndpoint.class); |
| |
| private AmazonSimpleDB sdbClient; |
| |
| @UriParam |
| private SdbConfiguration configuration; |
| |
| public SdbEndpoint(String uri, Component component, SdbConfiguration configuration) { |
| super(uri, component); |
| this.configuration = configuration; |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| throw new UnsupportedOperationException("You cannot receive messages from this endpoint"); |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new SdbProducer(this); |
| } |
| |
| @Override |
| public void doStart() throws Exception { |
| super.doStart(); |
| |
| sdbClient = configuration.getAmazonSDBClient() != null ? configuration.getAmazonSDBClient() : createSdbClient(); |
| |
| 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; |
| AmazonSimpleDBClientBuilder clientBuilder = null; |
| ClientConfiguration clientConfiguration = null; |
| boolean isClientConfigFound = false; |
| if (ObjectHelper.isNotEmpty(configuration.getProxyHost()) && ObjectHelper.isNotEmpty(configuration.getProxyPort())) { |
| clientConfiguration = new ClientConfiguration(); |
| clientConfiguration.setProxyProtocol(configuration.getProxyProtocol()); |
| 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()); |
| AWSCredentialsProvider credentialsProvider = new AWSStaticCredentialsProvider(credentials); |
| if (isClientConfigFound) { |
| clientBuilder = AmazonSimpleDBClientBuilder.standard().withClientConfiguration(clientConfiguration).withCredentials(credentialsProvider); |
| } else { |
| clientBuilder = AmazonSimpleDBClientBuilder.standard().withCredentials(credentialsProvider); |
| } |
| } else { |
| if (isClientConfigFound) { |
| clientBuilder = AmazonSimpleDBClientBuilder.standard(); |
| } else { |
| clientBuilder = AmazonSimpleDBClientBuilder.standard().withClientConfiguration(clientConfiguration); |
| } |
| } |
| if (ObjectHelper.isNotEmpty(configuration.getRegion())) { |
| clientBuilder = clientBuilder.withRegion(Regions.valueOf(configuration.getRegion())); |
| } |
| client = clientBuilder.build(); |
| return client; |
| } |
| |
| public static Message getMessageForResponse(final Exchange exchange) { |
| if (exchange.getPattern().isOutCapable()) { |
| Message out = exchange.getOut(); |
| out.copyFrom(exchange.getIn()); |
| return out; |
| } |
| return exchange.getIn(); |
| } |
| } |