/**
* 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.s3;
import java.io.InputStream;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.PutObjectResult;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.impl.DefaultProducer;
import org.apache.camel.util.URISupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A Producer which sends messages to the Amazon Web Service Simple Storage Service
* <a href="http://aws.amazon.com/s3/">AWS S3</a>
*/
public class S3Producer extends DefaultProducer {
private static final Logger LOG = LoggerFactory.getLogger(S3Producer.class);
public S3Producer(Endpoint endpoint) {
super(endpoint);
}
public void process(Exchange exchange) throws Exception {
ObjectMetadata objectMetadata = new ObjectMetadata();
Long contentLength = exchange.getIn().getHeader(S3Constants.CONTENT_LENGTH, Long.class);
if (contentLength != null) {
objectMetadata.setContentLength(contentLength);
}
String contentType = exchange.getIn().getHeader(S3Constants.CONTENT_TYPE, String.class);
if (contentType != null) {
objectMetadata.setContentType(contentType);
}
PutObjectRequest putObjectRequest = new PutObjectRequest(
getConfiguration().getBucketName(),
determineKey(exchange),
exchange.getIn().getMandatoryBody(InputStream.class),
objectMetadata);
LOG.trace("Put object [{}] from exchange [{}]...", putObjectRequest, exchange);
PutObjectResult putObjectResult = getEndpoint().getS3Client().putObject(putObjectRequest);
LOG.trace("Received result [{}]", putObjectResult);
Message message = getMessageForResponse(exchange);
message.setHeader(S3Constants.E_TAG, putObjectResult.getETag());
if (putObjectResult.getVersionId() != null) {
message.setHeader(S3Constants.VERSION_ID, putObjectResult.getVersionId());
}
}
private String determineKey(Exchange exchange) {
String key = exchange.getIn().getHeader(S3Constants.KEY, String.class);
if (key == null) {
throw new IllegalArgumentException("AWS S3 Key header missing.");
}
return key;
}
private Message getMessageForResponse(Exchange exchange) {
if (exchange.getPattern().isOutCapable()) {
Message out = exchange.getOut();
out.copyFrom(exchange.getIn());
return out;
}
return exchange.getIn();
}
protected S3Configuration getConfiguration() {
return getEndpoint().getConfiguration();
}
@Override
public String toString() {
return "S3Producer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]";
}
@Override
public S3Endpoint getEndpoint() {
return (S3Endpoint) super.getEndpoint();
}
}