private void updateRelativeLinks(XWikiDocument document, DocumentReference oldDocumentReference)
throws XWikiException {
// We support only the syntaxes for which there is an available renderer.
if (!this.contextComponentManagerProvider
.get()
.hasComponent(BlockRenderer.class, document.getSyntax().toIdString())) {
this.logger.warn(
"We can't update the relative links from [{}]"
+ " because there is no renderer available for its syntax [{}].",
document.getDocumentReference(),
document.getSyntax());
return;
}
DocumentReference newDocumentReference = document.getDocumentReference();
XDOM xdom = document.getXDOM();
List<Block> blocks = linkedResourceHelper.getBlocks(xdom);
boolean modified = false;
for (Block block : blocks) {
ResourceReference resourceReference = linkedResourceHelper.getResourceReference(block);
if (resourceReference == null) {
// Skip invalid blocks.
continue;
}
ResourceType resourceType = resourceReference.getType();
// TODO: support ATTACHMENT as well.
if (!ResourceType.DOCUMENT.equals(resourceType) && !ResourceType.SPACE.equals(resourceType)) {
// We are currently only interested in Document or Space references.
continue;
}
// current link, use the old document's reference to fill in blanks.
EntityReference oldLinkReference =
this.resourceReferenceResolver.resolve(resourceReference, null, oldDocumentReference);
// new link, use the new document's reference to fill in blanks.
EntityReference newLinkReference =
this.resourceReferenceResolver.resolve(resourceReference, null, newDocumentReference);
// If the new and old link references don`t match, then we must update the relative link.
if (!newLinkReference.equals(oldLinkReference)) {
modified = true;
// Serialize the old (original) link relative to the new document's location, in compact
// form.
String serializedLinkReference =
this.compactEntityReferenceSerializer.serialize(oldLinkReference, newDocumentReference);
// Update the reference in the XDOM.
linkedResourceHelper.setResourceReferenceString(block, serializedLinkReference);
}
}
if (modified) {
document.setContent(xdom);
saveDocumentPreservingContentAuthor(document, "Updated the relative links.", true);
this.logger.info("Updated the relative links from [{}].", document.getDocumentReference());
} else {
this.logger.info("No relative links to update in [{}].", document.getDocumentReference());
}
}
private boolean renameLink(
Block block,
DocumentReference currentDocumentReference,
DocumentReference oldTarget,
DocumentReference newTarget)
throws InvalidArgumentException {
boolean modified = false;
ResourceReference resourceReference = linkedResourceHelper.getResourceReference(block);
if (resourceReference == null) {
// Skip invalid blocks.
throw new InvalidArgumentException();
}
ResourceType resourceType = resourceReference.getType();
// TODO: support ATTACHMENT as well.
if (!ResourceType.DOCUMENT.equals(resourceType) && !ResourceType.SPACE.equals(resourceType)) {
// We are currently only interested in Document or Space references.
throw new InvalidArgumentException();
}
// Resolve the resource reference.
EntityReference linkEntityReference =
resourceReferenceResolver.resolve(resourceReference, null, currentDocumentReference);
// Resolve the document of the reference.
DocumentReference linkTargetDocumentReference =
defaultReferenceDocumentReferenceResolver.resolve(linkEntityReference);
EntityReference newTargetReference = newTarget;
ResourceType newResourceType = resourceType;
// If the link was resolved to a space...
if (EntityType.SPACE.equals(linkEntityReference.getType())) {
if (XWiki.DEFAULT_SPACE_HOMEPAGE.equals(newTarget.getName())) {
// If the new document reference is also a space (non-terminal doc), be careful to keep it
// serialized as a space still (i.e. without ".WebHome") and not serialize it as a doc by
// mistake
// (i.e. with ".WebHome").
newTargetReference = newTarget.getLastSpaceReference();
} else {
// If the new target is a non-terminal document, we can not use a "space:" resource type to
// access
// it anymore. To fix it, we need to change the resource type of the link reference "doc:".
newResourceType = ResourceType.DOCUMENT;
}
}
// If the link targets the old (renamed) document reference, we must update it.
if (linkTargetDocumentReference.equals(oldTarget)) {
modified = true;
String newReferenceString =
this.compactEntityReferenceSerializer.serialize(
newTargetReference, currentDocumentReference);
// Update the reference in the XDOM.
linkedResourceHelper.setResourceReferenceString(block, newReferenceString);
linkedResourceHelper.setResourceType(block, newResourceType);
}
return modified;
}
