/*
* Copyright 2014 the original author or authors.
*
* Licensed 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.gradle.internal.resource.transport.aws.s3;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.S3Object;
import org.gradle.internal.IoActions;
import org.gradle.internal.resource.local.LocalResource;
import org.gradle.internal.resource.metadata.DefaultExternalResourceMetaData;
import org.gradle.internal.resource.metadata.ExternalResourceMetaData;
import org.gradle.internal.resource.transfer.ExternalResourceConnector;
import org.gradle.internal.resource.transfer.ExternalResourceReadResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.List;
public class S3ResourceConnector implements ExternalResourceConnector {
private static final Logger LOGGER = LoggerFactory.getLogger(S3ResourceConnector.class);
private final S3Client s3Client;
public S3ResourceConnector(S3Client s3Client) {
this.s3Client = s3Client;
}
public List<String> list(URI parent) {
LOGGER.debug("Listing parent resources: {}", parent);
return s3Client.listDirectChildren(parent);
}
public ExternalResourceReadResponse openResource(URI location, boolean revalidate) {
LOGGER.debug("Attempting to get resource: {}", location);
S3Object s3Object = s3Client.getResource(location);
if (s3Object == null) {
return null;
}
return new S3Resource(s3Object, location);
}
public ExternalResourceMetaData getMetaData(URI location, boolean revalidate) {
LOGGER.debug("Attempting to get resource metadata: {}", location);
S3Object s3Object = s3Client.getMetaData(location);
if (s3Object == null) {
return null;
}
try {
ObjectMetadata objectMetadata = s3Object.getObjectMetadata();
return new DefaultExternalResourceMetaData(location,
objectMetadata.getLastModified().getTime(),
objectMetadata.getContentLength(),
objectMetadata.getContentType(),
objectMetadata.getETag(),
null); // Passing null for sha1 - TODO - consider using the etag which is an MD5 hash of the file (when less than 5Gb)
} finally {
IoActions.closeQuietly(s3Object);
}
}
@Override
public void upload(LocalResource resource, URI destination) throws IOException {
LOGGER.debug("Attempting to upload stream to : {}", destination);
InputStream inputStream = resource.open();
try {
s3Client.put(inputStream, resource.getContentLength(), destination);
} finally {
inputStream.close();
}
}
}