if (revisionDescriptor.getName() == null || revisionDescriptor.getName().length() == 0) {
revisionDescriptor.setName(new UriPath(strUri).lastSegment());
}
}
Uri objectUri = namespace.getUri(token, strUri);
NodeRevisionDescriptors revisionDescriptors = null;
try {
revisionDescriptors = objectUri.getStore()
.retrieveRevisionDescriptors(objectUri);
} catch (RevisionDescriptorNotFoundException e) {
// No revision descriptors. We have to create some.
revisionDescriptors = new NodeRevisionDescriptors();
revisionDescriptors.setUri(objectUri.toString());
objectUri.getStore()
.createRevisionDescriptors(objectUri, revisionDescriptors);
}
// Retrieve the latest revision from the descriptor,
// unless there is no revisions. We generate a new revision number,
// basing on an existing revision, if any.
NodeRevisionNumber newRevisionNumber = null;
if (revisionDescriptors.isVersioned()) {
if (revisionDescriptors.hasRevisions()) {
newRevisionNumber = new NodeRevisionNumber
(revisionDescriptors.getLatestRevision());
revisionDescriptors
.addSuccessor(revisionDescriptors.getLatestRevision(),
newRevisionNumber);
revisionDescriptors
.setSuccessors(newRevisionNumber, new Vector());
} else {
newRevisionNumber = new NodeRevisionNumber();
revisionDescriptors
.setSuccessors(newRevisionNumber, new Vector());
}
// We now set the newly created revision as the latest revison
revisionDescriptors.setLatestRevision(newRevisionNumber);
// We update the descriptor
revisionDescriptor.setRevisionNumber(newRevisionNumber);
// Invoke interceptors
invokeInterceptors(token, revisionDescriptors, revisionDescriptor,
revisionContent, PRE_STORE);
if (revisionContent != null) {
// Storing the new revision contents
objectUri.getStore()
.createRevisionContent(objectUri, revisionDescriptor,
revisionContent);
}
// Now creating the revision desriptor in the store
revisionDescriptor.setModificationDate(revisionDescriptor.getCreationDate());
revisionDescriptor.setModificationUser(
securityHelper.getPrincipal(token).getPath().lastSegment());
objectUri.getStore()
.createRevisionDescriptor(objectUri, revisionDescriptor);
} else {
// We don't use versioning for this object.
// Two options :
// - The object already has one (and only one) revision,
// so we update it
// - The object dooesn't have any revisions right now, so we create
// the initial revision
newRevisionNumber = new NodeRevisionNumber();
revisionDescriptor.setRevisionNumber(newRevisionNumber);
if (!revisionDescriptors.hasRevisions()) {
// Invoke interceptors
invokeInterceptors(token, revisionDescriptors,
revisionDescriptor,
revisionContent, PRE_STORE);
if (revisionContent != null) {
// Storing the new revision contents
objectUri.getStore()
.createRevisionContent(objectUri, revisionDescriptor,
revisionContent);
}
// Now creating the revision desriptor in the store
revisionDescriptor.setModificationDate(revisionDescriptor.getCreationDate());
revisionDescriptor.setModificationUser(
securityHelper.getPrincipal(token).getPath().lastSegment());
objectUri.getStore()
.createRevisionDescriptor(objectUri, revisionDescriptor);
} else {
try { {
// merge the new received properties into the
// revisionDescriptor
// We update the descriptor's properties
NodeRevisionDescriptor oldRevisionDescriptor =
objectUri.getStore()
.retrieveRevisionDescriptor
(objectUri, newRevisionNumber);
Enumeration newPropertiesList =
revisionDescriptor.enumerateProperties();
while (newPropertiesList.hasMoreElements()) {
oldRevisionDescriptor
.setProperty((NodeProperty) newPropertiesList
.nextElement() );
}
// now use the merged revision descriptor
revisionDescriptor = oldRevisionDescriptor;
} // end of merge
// Invoke interceptors
invokeInterceptors(token, revisionDescriptors,
revisionDescriptor,
revisionContent, PRE_STORE);
if (revisionContent != null) {
// Storing the new revision contents
try {
objectUri.getStore()
.storeRevisionContent(objectUri,
revisionDescriptor,
revisionContent);
} catch (RevisionNotFoundException e) {
objectUri.getStore()
.createRevisionContent(objectUri,
revisionDescriptor,
revisionContent);
}
}
revisionDescriptor.setModificationDate(revisionDescriptor.getCreationDate());
revisionDescriptor.setModificationUser(
securityHelper.getPrincipal(token).getPath().lastSegment());
objectUri.getStore()
.storeRevisionDescriptor
(objectUri, revisionDescriptor);
} catch (RevisionDescriptorNotFoundException e) {
// Should NEVER happen.
// Basically, it would mean that there is no initial
// revision, which is incorrect since the object
// HAS revisions.
// Invoke interceptors
invokeInterceptors(token, revisionDescriptors,
revisionDescriptor,
revisionContent, PRE_STORE);
revisionDescriptor.setModificationDate(revisionDescriptor.getCreationDate());
revisionDescriptor.setModificationUser(
securityHelper.getPrincipal(token).getPath().lastSegment());
objectUri.getStore()
.createRevisionDescriptor(objectUri,
revisionDescriptor);
}
}
// Updating the descriptors object
revisionDescriptors
.setSuccessors(newRevisionNumber, new Vector());
revisionDescriptors.setLatestRevision(newRevisionNumber);
}
// We now store the updated revision descriptors
try {
objectUri.getStore()
.storeRevisionDescriptors(objectUri, revisionDescriptors);
} catch (RevisionDescriptorNotFoundException e) {
// Problem ...
e.printStackTrace();
}