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The AWS Java Mobile SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service
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/*
* Copyright 2014-2018 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;
import com.amazonaws.services.s3.AmazonS3EncryptionClient;
import com.amazonaws.services.s3.UploadObjectObserver;
import com.amazonaws.services.s3.internal.MultiFileOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;
/**
* Used to request the client-side encryption and upload of a large S3 object
* via pipelined parallel multi-part uploads.
*
* @see AmazonS3EncryptionClient#uploadObject(UploadObjectRequest)
*/
public class UploadObjectRequest extends AbstractPutObjectRequest implements
MaterialsDescriptionProvider, Serializable {
private static final long serialVersionUID = 1L;
static final int MIN_PART_SIZE = 5 << 20; // 5 MB
/**
* Optional metadata to be included in each upload part requests.
*/
private ObjectMetadata uploadPartMetadata;
/**
* description of encryption materials to be used with this request.
*/
private Map materialsDescription;
/**
* Part size (in bytes). Default is {@value #MIN_PART_SIZE}. This part size
* will be used as a reference for the multi-part uploads but the physical
* part size may vary.
*/
private long partSize = MIN_PART_SIZE;
/**
* Optional configuration of a custom thread pool used for concurrent uploads.
*/
private transient ExecutorService executorService;
/**
* Optional configuration of an object observer for advanced customization.
*/
private transient UploadObjectObserver uploadObjectObserver;
/**
* Optional configuration of a custom mutli-file output stream used for
* generating multiple parts for ciphertext.
*/
private transient MultiFileOutputStream multiFileOutputStream;
/**
* Limitation (in bytes) on temporary disk space consumption for this
* request; must be at least twice the amount of the specified
* {@link #partSize}. The default is {@value Long#MAX_VALUE}.
*/
private long diskLimit = Long.MAX_VALUE;
public UploadObjectRequest(String bucketName, String key, File file) {
super(bucketName, key, file);
}
public UploadObjectRequest(String bucketName, String key,
InputStream input, ObjectMetadata metadata) {
super(bucketName, key, input, metadata);
}
/**
* Returns the part-size used for muti-part upload for this request. This
* part size will be used as a reference for the multi-part uploads but the
* physical part size may vary.
*/
public long getPartSize() {
return partSize;
}
/**
* Configured the part size for multi-part upload. Must be at least
* {@link #MIN_PART_SIZE}. This part size will be used as a reference for
* the multi-part uploads but the physical part size may vary.
*
* @return this object for method chaining purposes
*/
public UploadObjectRequest withPartSize(long partSize) {
if (partSize < MIN_PART_SIZE) {
throw new IllegalArgumentException("partSize must be at least "
+ MIN_PART_SIZE);
}
this.partSize = partSize;
return this;
}
/**
* Returns the maximum size (in bytes) of additional disk space that will be
* consumed for this request; or {@link Long#MAX_VALUE} if there is no
* limit.
*/
public long getDiskLimit() {
return diskLimit;
}
/**
* Configured the maximum disk space (in bytes) that will be consumed for
* this request. The maximum disk space must be at least twice the size of
* {@link #partSize}.
*
* @return this object for method chaining purposes
*/
public UploadObjectRequest withDiskLimit(long diskLimit) {
this.diskLimit = diskLimit;
return this;
}
/**
* Returns a custom executor service for concurrent uploads; or null there
* is no customization.
*/
public ExecutorService getExecutorService() {
return executorService;
}
/**
* Configure a custom executor service for concurrent uploads.
*
* @return this object for method chaining purposes
*/
public UploadObjectRequest withExecutorService(ExecutorService executorService) {
this.executorService = executorService;
return this;
}
/**
* Returns a custom multi-file output stream; or null if the default is to
* be used.
*/
public MultiFileOutputStream getMultiFileOutputStream() {
return multiFileOutputStream;
}
/**
* Configure a custom multi-file output stream; or null if the default is to
* be used.
*
* @return this object for method chaining purposes
*/
public UploadObjectRequest withMultiFileOutputStream(
MultiFileOutputStream multiFileOutputStream) {
this.multiFileOutputStream = multiFileOutputStream;
return this;
}
/**
* Returns a custom upload-object observer; or null there is no
* customization.
*/
public UploadObjectObserver getUploadObjectObserver() {
return uploadObjectObserver;
}
/**
* Configure a custom upload-object observer; or null if the default is to
* be used.
*
* @return this object for method chaining purposes
*/
public UploadObjectRequest withUploadObjectObserver(
UploadObjectObserver uploadObjectObserver) {
this.uploadObjectObserver = uploadObjectObserver;
return this;
}
@Override
public Map getMaterialsDescription() {
return materialsDescription;
}
/**
* Sets the materials description for the encryption materials to be used
* with the current request.
*
* @param materialsDescription
* the materialsDescription to set
*/
public void setMaterialsDescription(Map materialsDescription) {
this.materialsDescription = materialsDescription == null
? null
: Collections.unmodifiableMap(
new HashMap(materialsDescription));
}
/**
* Fluent API for {@link #setMaterialsDescription(Map)}.
*/
public UploadObjectRequest withMaterialsDescription(
Map materialsDescription) {
setMaterialsDescription(materialsDescription);
return this;
}
/**
* Gets the optional metadata to be included in each UploadPart request.
*/
public ObjectMetadata getUploadPartMetadata() {
return uploadPartMetadata;
}
/**
* Sets the optional metadata to be included in each UploadPart request.
*/
public void setUploadPartMetadata(ObjectMetadata partUploadMetadata) {
this.uploadPartMetadata = partUploadMetadata;
}
/**
* Fluent API for {@link #setUploadPartMetadata(ObjectMetadata)}.
*/
public T withUploadPartMetadata(
ObjectMetadata partUploadMetadata) {
setUploadPartMetadata(partUploadMetadata);
@SuppressWarnings("unchecked")
final T t = (T)this;
return t;
}
/**
* Returns a clone (as deep as possible) of this request object.
*
* @throws CloneNotSupportedException
*/
@Override
public UploadObjectRequest clone() {
final UploadObjectRequest cloned = (UploadObjectRequest) super.clone();
super.copyPutObjectBaseTo(cloned);
final Map materialsDescription = getMaterialsDescription();
final ObjectMetadata uploadPartMetadata = getUploadPartMetadata();
return cloned
.withMaterialsDescription(materialsDescription == null
? null
: new HashMap(materialsDescription))
.withDiskLimit(getDiskLimit())
.withExecutorService(getExecutorService())
.withPartSize(getPartSize())
.withUploadObjectObserver(getUploadObjectObserver())
.withUploadPartMetadata(uploadPartMetadata == null
? null : uploadPartMetadata.clone())
;
}
}