com.amazonaws.services.s3.internal.S3ObjectResponseHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk Show documentation

The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

The newest version!

/*
 * Copyright 2010-2014 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;
import com.amazonaws.util.BinaryUtils;

/**
 * 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 {

    /**
     * @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse)
     */
    public AmazonWebServiceResponse 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 awsResponse = parseResponseMetadata(response);
        if (response.getHeaders().get(Headers.REDIRECT_LOCATION) != null) {
            object.setRedirectLocation(response.getHeaders().get(Headers.REDIRECT_LOCATION));
        }
		ObjectMetadata metadata = object.getObjectMetadata();
		populateObjectMetadata(response, metadata);

		object.setObjectContent(new S3ObjectInputStream(response.getContent(),
				response.getHttpRequest()));

		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;
    }

}