/**
* Assign persistent identifier to a Content-relation object.
*
* @param id The Id of the Content-relation witch is to assign with an ObjectPid.
* @param taskParam XML snippet with parameter for the persistent identifier system.
* @return The assigned persistent identifier for the Content-relation.
* @throws ContentRelationNotFoundException Thrown if the object with id is does not exist or is
* no Item.
* @throws LockingException Thrown if the Item is locked
* @throws MissingMethodParameterException Thrown if a parameter is missing within {@code
* taskParam}.
* @throws OptimisticLockingException Thrown if Item was altered in the mean time.
* @throws PidAlreadyAssignedException Thrown if a Content-relation is already assigned a PID.
* @throws SystemException Thrown in case of internal error.
*/
@Override
public String assignObjectPid(final String id, final String taskParam)
throws ContentRelationNotFoundException, LockingException, MissingMethodParameterException,
OptimisticLockingException, SystemException, PidAlreadyAssignedException,
XmlCorruptedException {
final ContentRelationCreate cr = setContentRelation(id);
if (cr.getProperties().getPid() != null) {
throw new PidAlreadyAssignedException(
"A content relation with id " + id + " is already assigned a PID");
}
final TaskParamHandler taskParameter = XmlUtility.parseTaskParam(taskParam);
checkLocked(cr);
Utility.checkOptimisticLockingCriteria(
cr.getProperties().getLastModificationDate(),
taskParameter.getLastModificationDate(),
"Content-relation " + cr.getObjid());
String pid = taskParameter.getPid();
if (pid == null) {
// get PID from external PID System
pid = getPid(id, taskParam);
}
cr.getProperties().setPid(pid);
cr.persist();
return prepareResponse(cr, pid);
}
/**
* Obtain values from XML an create value object ContentRelation.
*
* @param xml The content relation XML (validated by schema).
* @return ContentRelation
* @throws InvalidContentException Thrown if content is invalid
* @throws MissingAttributeValueException Thrown if attribute value is missing
* @throws SystemException Thrown if internal error occur
* @throws de.escidoc.core.common.exceptions.application.invalid.XmlCorruptedException
*/
private static ContentRelationCreate parseContentRelation(final String xml)
throws MissingAttributeValueException, InvalidContentException, SystemException,
XmlCorruptedException {
final StaxParser sp = new StaxParser();
final ContentRelationHandler contentRelationHandler = new ContentRelationHandler(sp);
sp.addHandler(contentRelationHandler);
try {
sp.parse(xml);
} catch (final InvalidContentException e) {
throw new InvalidContentException(e.getMessage(), e);
} catch (final RelationPredicateNotFoundException e) {
// shouldn't happen
throw new SystemException(e);
} catch (final XmlCorruptedException e) {
throw new XmlCorruptedException(e.getMessage(), e);
} catch (final MissingAttributeValueException e) {
throw new MissingAttributeValueException(e.getMessage(), e);
} catch (final InvalidStatusException e) {
// shouldn't happen
throw new SystemException(e);
} catch (final SystemException e) {
throw new SystemException(null, e);
} catch (final Exception e) {
XmlUtility.handleUnexpectedStaxParserException(null, e);
}
return contentRelationHandler.getContentRelation();
}
/**
* Unlock a Content Relation for other user access.
*
* @param id Objid of Content Relation
* @param param XML TaskParam
* @return Result XML data structure
* @throws ContentRelationNotFoundException e
* @throws LockingException e
* @throws InvalidContentException e
* @throws MissingMethodParameterException e
* @throws SystemException e
* @throws OptimisticLockingException e
* @throws InvalidStatusException Thrown if resource is not locked.
*/
@Override
public String unlock(final String id, final String param)
throws ContentRelationNotFoundException, LockingException, MissingMethodParameterException,
SystemException, OptimisticLockingException, InvalidContentException,
InvalidStatusException, XmlCorruptedException {
final ContentRelationCreate cr = setContentRelation(id);
final TaskParamHandler taskParameter = XmlUtility.parseTaskParam(param);
Utility.checkOptimisticLockingCriteria(
cr.getProperties().getLastModificationDate(),
taskParameter.getLastModificationDate(),
"Content relation " + id);
if (cr.getProperties().isLocked()) {
lockHandler.unlock(cr.getObjid());
cr.getProperties().setLockStatus(LockStatus.UNLOCKED);
cr.getProperties().setLockOwnerId(null);
cr.getProperties().setLockOwnerId(null);
cr.getProperties().setLockDate((DateTime) null);
}
fireContentRelationModified(cr, this.contentRelationXmlProvider.getContentRelationXml(cr));
return Utility.prepareReturnXml(cr.getProperties().getLastModificationDate(), null);
}
/**
* Submit the Content Relation.
*
* @param id objid of ContentRelation
* @param param Task parameter
* @return XML result
* @throws ContentRelationNotFoundException e
* @throws LockingException e
* @throws InvalidStatusException e
* @throws MissingMethodParameterException e
* @throws SystemException e
* @throws OptimisticLockingException e
* @throws InvalidContentException e
*/
@Override
public String submit(final String id, final String param)
throws ContentRelationNotFoundException, LockingException, InvalidStatusException,
MissingMethodParameterException, SystemException, OptimisticLockingException,
InvalidContentException, XmlCorruptedException {
final ContentRelationCreate cr = setContentRelation(id);
final TaskParamHandler taskParameter = XmlUtility.parseTaskParam(param);
checkLocked(cr);
validateToSubmitStatus(cr);
// check optimistic locking criteria
Utility.checkOptimisticLockingCriteria(
cr.getProperties().getLastModificationDate(),
taskParameter.getLastModificationDate(),
"Content relation " + id);
cr.getProperties().setStatus(StatusType.SUBMITTED);
// set status comment
if (taskParameter.getComment() != null) {
cr.getProperties().setStatusComment(taskParameter.getComment());
} else {
cr.getProperties().setStatusComment("Status changed to 'submitted'");
}
cr.persistProperties(true);
// load metadata content to resource
enrichWithMetadataContent(cr);
fireContentRelationModified(cr, this.contentRelationXmlProvider.getContentRelationXml(cr));
return Utility.prepareReturnXml(cr.getProperties().getLastModificationDate(), null);
}
/**
* Gets the revocation date in ISO8601 format.
*
* @return Returns the creation date in ISO8601 format.
*/
public String getIso8601RevocationDate() {
if (getRevocationDate() == null) {
return null;
}
return XmlUtility.normalizeDate(getRevocationDate());
}
/**
* Gets the date of last modification in ISO8601 format. <br>
* The maximum of creation date and revocation date is returned for this.
*
* @return Returns the creation date in ISO8601 format.
*/
public String getIso8601LastModificationDate() {
final Date lastModificationDate = getLastModificationDate();
if (lastModificationDate == null) {
return null;
}
return XmlUtility.normalizeDate(lastModificationDate);
}
@Override
public StartElement startElement(final StartElement element) throws XMLStreamException {
final String curPath = parser.getCurPath();
if (this.inside) {
this.deepLevel++;
writeElement(element);
final int attCount = element.getAttributeCount();
for (int i = 0; i < attCount; i++) {
final Attribute curAtt = element.getAttribute(i);
writeAttribute(
curAtt.getNamespace(),
element.getLocalName(),
curAtt.getLocalName(),
curAtt.getValue(),
curAtt.getPrefix());
}
} else {
if (curPath.endsWith("components/component")) {
final int indexObjid = element.indexOfAttribute(null, "objid");
final int indexHref = element.indexOfAttribute(Constants.XLINK_NS_URI, "href");
if (!(indexObjid > -1 && element.getAttribute(indexObjid).getValue().length() > 0
|| indexHref > -1
&& Utility.getId(element.getAttribute(indexHref).getValue()).length() > 0)) {
// start new component if there is no ID
final ByteArrayOutputStream out = new ByteArrayOutputStream();
this.writer = XmlUtility.createXmlStreamWriter(out);
outputStreams.add(out);
this.inside = true;
this.deepLevel++;
writeElement(element);
final int attCount = element.getAttributeCount();
for (int i = 0; i < attCount; i++) {
final Attribute curAtt = element.getAttribute(i);
writeAttribute(
curAtt.getNamespace(),
element.getLocalName(),
curAtt.getLocalName(),
curAtt.getValue(),
curAtt.getPrefix());
}
}
}
}
return element;
}
/**
* Creates a new initialized writer.<br>
* The writer's prefixes are initialized to the values of the prefixMap.
*
* @param out
* @return Returns the initialized <code>XmlStreamWriter</code>X instance.
* @throws javax.xml.stream.XMLStreamException
*/
private XMLStreamWriter newInitializedWriter(final ByteArrayOutputStream out)
throws XMLStreamException {
final XMLStreamWriter writer = XmlUtility.createXmlStreamWriterNamespaceRepairing(out);
if (this.namespaceMap != null && !namespaceMap.isEmpty()) {
for (final Entry<String, String> stringStringEntry : namespaceMap.entrySet()) {
final String prefix = stringStringEntry.getValue();
if (prefix != null) {
writer.setPrefix(prefix, stringStringEntry.getKey());
} else {
writer.setDefaultNamespace(stringStringEntry.getKey());
}
}
}
return writer;
}
/**
* @param id objid of ContentRelation
* @param param Task parameter
* @return XML result
* @throws ContentRelationNotFoundException e
* @throws LockingException e
* @throws InvalidStatusException e
* @throws MissingMethodParameterException e
* @throws SystemException e
* @throws OptimisticLockingException e
* @throws InvalidContentException e
*/
@Override
public String release(final String id, final String param)
throws ContentRelationNotFoundException, LockingException, InvalidStatusException,
MissingMethodParameterException, SystemException, OptimisticLockingException,
InvalidContentException, XmlCorruptedException {
final ContentRelationCreate cr = setContentRelation(id);
final TaskParamHandler taskParameter = XmlUtility.parseTaskParam(param);
checkLocked(cr);
checkReleased(cr);
if (cr.getProperties().getStatus() != StatusType.SUBMITTED) {
throw new InvalidStatusException(
"The object is not in state '"
+ Constants.STATUS_SUBMITTED
+ "' and can not be "
+ Constants.STATUS_RELEASED
+ '.');
}
Utility.checkOptimisticLockingCriteria(
cr.getProperties().getLastModificationDate(),
taskParameter.getLastModificationDate(),
"Content relation " + id);
cr.getProperties().setStatus(StatusType.RELEASED);
// set status comment
if (taskParameter.getComment() != null) {
cr.getProperties().setStatusComment(taskParameter.getComment());
} else {
cr.getProperties().setStatusComment("Status changed to 'released'");
}
cr.persistProperties(true);
// load metadata content to resource
enrichWithMetadataContent(cr);
fireContentRelationModified(cr, this.contentRelationXmlProvider.getContentRelationXml(cr));
return Utility.prepareReturnXml(cr.getProperties().getLastModificationDate(), null);
}
/**
* Gets the Href of this role grant.
*
* @return Returns the Href
*/
public String getHref() {
return this.getUserAccountByUserId() != null
? XmlUtility.getUserAccountGrantHref(this.getUserAccountByUserId().getId(), this.getId())
: XmlUtility.getUserGroupGrantHref(this.getUserGroupByGroupId().getId(), this.getId());
}
