/*
* Copyright 2010-2012 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.model.transform;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import com.amazonaws.services.s3.internal.XmlWriter;
import com.amazonaws.services.s3.model.PartETag;
public class RequestXmlFactory {
/**
* Converts the specified list of PartETags to an XML fragment that can be
* sent to the CompleteMultipartUpload operation of Amazon S3.
*
* @param partETags
* The list of part ETags containing the data to include in the
* new XML fragment.
*
* @return A byte array containing the data
*/
public static byte[] convertToXmlByteArray(List<PartETag> partETags) {
XmlWriter xml = new XmlWriter();
xml.start("CompleteMultipartUpload");
if (partETags != null) {
Collections.sort(partETags, new Comparator<PartETag>() {
public int compare(PartETag tag1, PartETag tag2) {
if (tag1.getPartNumber() < tag2.getPartNumber()) return -1;
if (tag1.getPartNumber() > tag2.getPartNumber()) return 1;
return 0;
}
});
for (PartETag partEtag : partETags) {
xml.start("Part");
xml.start("PartNumber").value(Integer.toString(partEtag.getPartNumber())).end();
xml.start("ETag").value(partEtag.getETag()).end();
xml.end();
}
}
xml.end();
return xml.getBytes();
}
}