org.javaswift.joss.instructions

Class UploadPayload

java.lang.Object

org.javaswift.joss.instructions.UploadPayload

Direct Known Subclasses:

UploadPayloadBoundedInputStream, UploadPayloadByteArray, UploadPayloadFile, UploadPayloadInputStream

public abstract class UploadPayload
extends java.lang.Object

Encapsulates the payload that must be uploaded to the ObjectStore. The reason this class exists is that it can support in giving information on the payload.

Author:

Robert Bor

Constructor Summary

Constructors

Constructor and Description
UploadPayload()

Method Summary

Modifier and Type	Method and Description
abstract org.apache.http.HttpEntity	getEntity() Returns the payload as an HttpEntity, so it can be uploaded to the ObjectStore
abstract Etag	getEtag() Returns the MD5 hash value in an Etag header
abstract SegmentationPlan	getSegmentationPlan(java.lang.Long segmentationSize) Sets up the plan to upload the payload in segments
abstract boolean	mustBeSegmented(java.lang.Long segmentationSize) Checks whether the payload must be segmented into two or more separate objects to circumvent the max object size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UploadPayload

public UploadPayload()

Method Detail

getEntity

public abstract org.apache.http.HttpEntity getEntity()

Returns the payload as an HttpEntity, so it can be uploaded to the ObjectStore

Returns:

HttpEntity of the payload

mustBeSegmented

public abstract boolean mustBeSegmented(java.lang.Long segmentationSize)

Checks whether the payload must be segmented into two or more separate objects to circumvent the max object size

Parameters:

segmentationSize - size to check the current payload size against

Returns:

true if the payload must be segmented

getEtag

public abstract Etag getEtag()
                      throws java.io.IOException

Returns the MD5 hash value in an Etag header

Returns:

Etag header with MD5 hash

Throws:

java.io.IOException - when DigestUtils.md5Hex fails

getSegmentationPlan

public abstract SegmentationPlan getSegmentationPlan(java.lang.Long segmentationSize)
                                              throws java.io.IOException

Sets up the plan to upload the payload in segments

Parameters:

segmentationSize - the size of an individual segment

Returns:

the segmentation plan

Throws:

java.io.IOException - when the segmentation plan cannot be drawn up