/*
* Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 com.amazonaws.services.s3.internal;
import com.amazonaws.AmazonWebServiceResponse;
import com.amazonaws.http.HttpResponse;
import com.amazonaws.services.s3.Headers;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.S3Object;
import com.amazonaws.services.s3.model.S3ObjectInputStream;
/**
* S3 HTTP response handler that knows how to pull S3 object content and
* metadata out of an HTTP response and unmarshall it into an S3Object object.
*/
public class S3ObjectResponseHandler extends AbstractS3ResponseHandler<S3Object> {
/**
* @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse)
*/
@Override
public AmazonWebServiceResponse<S3Object> handle(HttpResponse response) throws Exception {
/*
* TODO: It'd be nice to set the bucket name and key here, but the
* information isn't easy to pull out of the response/request currently.
*/
S3Object object = new S3Object();
AmazonWebServiceResponse<S3Object> awsResponse = parseResponseMetadata(response);
if (response.getHeaders().get(Headers.REDIRECT_LOCATION) != null) {
object.setRedirectLocation(response.getHeaders().get(Headers.REDIRECT_LOCATION));
}
// If the requester is charged when downloading a object from an
// Requester Pays bucket, then this header is set.
if (response.getHeaders().get(Headers.REQUESTER_CHARGED_HEADER) != null) {
object.setRequesterCharged(true);
}
ObjectMetadata metadata = object.getObjectMetadata();
populateObjectMetadata(response, metadata);
object.setObjectContent(new S3ObjectInputStream(response.getContent()));
awsResponse.setResult(object);
return awsResponse;
}
/**
* Returns true, since the entire response isn't read while this response
* handler handles the response. This enables us to keep the underlying HTTP
* connection open, so that the caller can stream it off.
*
* @see com.amazonaws.http.HttpResponseHandler#needsConnectionLeftOpen()
*/
@Override
public boolean needsConnectionLeftOpen() {
return true;
}
}