Package org.dspace.content.packager

Class DSpaceAIPIngester

java.lang.Object

org.dspace.content.packager.AbstractPackageIngester

org.dspace.content.packager.AbstractMETSIngester

org.dspace.content.packager.DSpaceAIPIngester

All Implemented Interfaces:

PackageIngester

public class DSpaceAIPIngester
extends AbstractMETSIngester

Subclass of the METS packager framework to ingest a DSpace Archival Information Package (AIP). The AIP is intended to be, foremost, a _complete_ and _accurate_ representation of one object in the DSpace object model. An AIP contains all of the information needed to restore the object precisely in another DSpace archive instance.

This ingester recognizes two distinct types of AIPs: "Manifest-Only" and "External". The Manifest-Only AIP, which is selected by specifying a PackageParameters key "manifestOnly" with the value "true", refers to all its contents by reference only. For Community or Collection AIPs this means all references to their child objects are just via Handles. For Item AIPs all Bitreams are just referenced by their asset store location instead of finding them in the "package". The Manifest-Only AIP package format is simply a METS XML document serialized into a file.

An "external" AIP (the default), is a conventional Zip-file based package that includes copies of all bitstreams referenced by the object as well as a serialized METS XML document in the path "mets.xml". Configuration keys: # instructs which xwalk plugin to use for a given type of metadata mets.dspaceAIP.ingest.crosswalk.{mdSecName} = {pluginName} mets.dspaceAIP.ingest.crosswalk.DC = QDC mets.dspaceAIP.ingest.crosswalk.DSpaceDepositLicense = NULLSTREAM # Option to save METS manifest in the item: (default is false) mets.default.ingest.preserveManifest = false

Version:

$Revision: 1.1 $

Author:

Larry Stone, Tim Donohue

See Also:

AbstractMETSIngester, AbstractPackageIngester, PackageIngester, METSManifest

Nested Class Summary

Nested classes/interfaces inherited from class org.dspace.content.packager.AbstractMETSIngester

AbstractMETSIngester.MdrefManager

Field Summary

Fields inherited from class org.dspace.content.packager.AbstractMETSIngester

bitstreamFormatService, bitstreamService, bundleService, collectionService, communityService, handleService, itemService, workspaceItemService

Constructor Summary

Constructors

Constructor	Description
DSpaceAIPIngester()

Method Summary

Modifier and Type	Method	Description
void	addLicense(Context context, Item item, String license, Collection collection, PackageParameters params)	Ignore license when restoring an manifest-only AIP, since it should be a bitstream in the AIP already.
void	crosswalkObjectDmd(Context context, DSpaceObject dso, METSManifest manifest, AbstractMETSIngester.MdrefManager callback, org.jdom.Element[] dmds, PackageParameters params)	Choose DMD section(s) to crosswalk.
void	finishBitstream(Context context, Bitstream bs, org.jdom.Element mfile, METSManifest manifest, PackageParameters params)	Nothing extra to do to bitstream after ingestion.
void	finishObject(Context context, DSpaceObject dso, PackageParameters params)	Last change to fix up a DSpace Object.
String	getConfigurationName()	Name used to distinguish DSpace Configuration entries for this subclass.
int	getObjectType(METSManifest manifest)	Return the type of DSpaceObject in this package; it is in the TYPE attribute of the mets:mets element.
String	getParameterHelp()	Returns a user help string which should describe the additional valid command-line options that this packager implementation will accept when using the -o or --option flags with the Packager script.

Methods inherited from class org.dspace.content.packager.AbstractMETSIngester

addBitstreams, addContainerLogo, addManifestBitstream, addTemplateItem, decodeHandleURN, getFileInputStream, getManifestBitstreamFormat, getObjectHandle, getParentObject, ingest, ingestObject, parsePackage, preserveManifest, removeObject, replace, replaceObject, useCollectionTemplate

Methods inherited from class org.dspace.content.packager.AbstractPackageIngester

addPackageReference, addToIngestedMap, getIngestedList, getIngestedMap, getPackageReferences, ingestAll, replaceAll

Methods inherited from class java.lang.Object

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

Constructor Detail

DSpaceAIPIngester

public DSpaceAIPIngester()

Method Detail

crosswalkObjectDmd

public void crosswalkObjectDmd(Context context,
                               DSpaceObject dso,
                               METSManifest manifest,
                               AbstractMETSIngester.MdrefManager callback,
                               org.jdom.Element[] dmds,
                               PackageParameters params)
                        throws CrosswalkException,
                               PackageValidationException,
                               AuthorizeException,
                               SQLException,
                               IOException

Choose DMD section(s) to crosswalk.

The algorithm is:
1. Use whatever the dmd parameter specifies as the primary DMD.
2. If (1) is unspecified, find DIM (preferably) or MODS as primary DMD.
3. If (1) or (2) succeeds, crosswalk it and ignore all other DMDs with same GROUPID
4. Crosswalk remaining DMDs not eliminated already.

Specified by:

crosswalkObjectDmd in class AbstractMETSIngester

Parameters:

context - The relevant DSpace Context.

dso - DSpace object

manifest - the METSManifest

callback - the MdrefManager (manages all external metadata files referenced by METS mdref elements)

dmds - array of Elements, each a METS dmdSec that applies to the Item as a whole.

params - Packager Parameters

Throws:

PackageValidationException - validation error

CrosswalkException - if crosswalk error

IOException - if IO error

SQLException - if database error

AuthorizeException - if authorization error

addLicense

public void addLicense(Context context,
                       Item item,
                       String license,
                       Collection collection,
                       PackageParameters params)
                throws PackageValidationException,
                       AuthorizeException,
                       SQLException,
                       IOException

Ignore license when restoring an manifest-only AIP, since it should be a bitstream in the AIP already. Otherwise: Check item for license first; then, take deposit license supplied by explicit argument next, else use collection's default deposit license. Normally the rightsMD crosswalks should provide a license.

Specified by:

addLicense in class AbstractMETSIngester

Parameters:

context - The relevant DSpace Context.

item - item to add license to

collection - collection to get the default license from

params - Packager Parameters

license - optional user-supplied Deposit License text (may be null)

Throws:

PackageValidationException - validation error

IOException - if IO error

SQLException - if database error

AuthorizeException - if authorization error

finishObject

public void finishObject(Context context,
                         DSpaceObject dso,
                         PackageParameters params)
                  throws PackageValidationException,
                         CrosswalkException,
                         AuthorizeException,
                         SQLException,
                         IOException

Last change to fix up a DSpace Object.

For AIPs, if the object is an Item, we may want to make sure all of its metadata fields already exist in the database (otherwise, the database will throw errors when we attempt to save/update the Item)

Specified by:

finishObject in class AbstractMETSIngester

Parameters:

context - The relevant DSpace Context.

dso - DSpace object

params - Packager Parameters

Throws:

PackageValidationException - Failure when importing or exporting a package caused by invalid unacceptable package format or contents

CrosswalkException - Superclass for more-specific crosswalk exceptions.

IOException - A general class of exceptions produced by failed or interrupted I/O operations.

SQLException - An exception that provides information on a database access error or other errors.

AuthorizeException - Exception indicating the current user of the context does not have permission to perform a particular action.

finishBitstream

public void finishBitstream(Context context,
                            Bitstream bs,
                            org.jdom.Element mfile,
                            METSManifest manifest,
                            PackageParameters params)
                     throws MetadataValidationException,
                            SQLException,
                            AuthorizeException,
                            IOException

Nothing extra to do to bitstream after ingestion.

Specified by:

finishBitstream in class AbstractMETSIngester

Parameters:

context - context

bs - bitstream

mfile - element

manifest - METS manifest

params - package params

Throws:

MetadataValidationException - if validation error

IOException - if IO error

SQLException - if database error

AuthorizeException - if authorization error

getObjectType

public int getObjectType(METSManifest manifest)
                  throws PackageValidationException

Return the type of DSpaceObject in this package; it is in the TYPE attribute of the mets:mets element.

Specified by:

getObjectType in class AbstractMETSIngester

Parameters:

manifest - METS manifest

Returns:

type

Throws:

PackageValidationException - if package validation error

getConfigurationName

public String getConfigurationName()

Name used to distinguish DSpace Configuration entries for this subclass.

Specified by:

getConfigurationName in class AbstractMETSIngester

Returns:

config name

getParameterHelp

public String getParameterHelp()

Returns a user help string which should describe the additional valid command-line options that this packager implementation will accept when using the -o or --option flags with the Packager script.

Specified by:

getParameterHelp in interface PackageIngester

Overrides:

getParameterHelp in class AbstractMETSIngester

Returns:

a string describing additional command-line options available with this packager