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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).

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/*
 * Copyright 2011-2014 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.crypto;

import javax.crypto.SecretKey;

/**
 * State information for an in-progress, encrypted multipart upload,
 * including the envelope encryption key used to encrypt each individual
 * part in a multipart upload, and the next initialization vector (IV) for
 * the next part to encrypt.
 */
public class EncryptedUploadContext {
	private final String bucketName;
	private final String key;
	private final SecretKey envelopeEncryptionKey;
	
	private byte[] firstIV;
	private byte[] nextIV;
	private boolean hasFinalPartBeenSeen;

	public EncryptedUploadContext(String bucketName, String key, SecretKey envelopeEncryptionKey) {
		this.bucketName = bucketName;
		this.key = key;
		this.envelopeEncryptionKey = envelopeEncryptionKey;
	}

	public String getBucketName() {
		return bucketName;
	}

	public String getKey() {
		return key;
	}

	public SecretKey getEnvelopeEncryptionKey() {
		return envelopeEncryptionKey;
	}

	public void setNextInitializationVector(byte[] nextIV) {
		this.nextIV = nextIV;
	}

	public byte[] getNextInitializationVector() {
		return nextIV;
	}
	
	public boolean hasFinalPartBeenSeen() {
		return hasFinalPartBeenSeen;
	}
	
	public void setHasFinalPartBeenSeen(boolean hasFinalPartBeenSeen) {
		this.hasFinalPartBeenSeen = hasFinalPartBeenSeen;
	}

	public void setFirstInitializationVector(byte[] firstIV) {
		this.firstIV = firstIV;
	}

	public byte[] getFirstInitializationVector() {
		return firstIV;
	}
}