/** @since 2.4 */
protected PackageFragmentRootData initializeData(final IPackageFragmentRoot root) {
final PackageFragmentRootData data =
new PackageFragmentRootData(computeModificationStamp(root));
data.addRoot(root);
try {
final SourceAttachmentPackageFragmentRootWalker<Void> walker =
new SourceAttachmentPackageFragmentRootWalker<Void>() {
@Override
protected URI getURI(
IFile file,
org.eclipse.xtext.ui.resource.PackageFragmentRootWalker.TraversalState state) {
if (!uriValidator.isPossiblyManaged(file)) return null;
return super.getURI(file, state);
}
@Override
protected URI getURI(
IJarEntryResource jarEntry,
org.eclipse.xtext.ui.resource.PackageFragmentRootWalker.TraversalState state) {
if (!uriValidator.isPossiblyManaged(jarEntry)) return null;
final URI uri = locator.getURI(root, jarEntry, state);
if (!uriValidator.isValid(uri, jarEntry)) return null;
return uri;
}
@Override
protected Void handle(
URI uri,
IStorage storage,
org.eclipse.xtext.ui.resource.PackageFragmentRootWalker.TraversalState state) {
data.uri2Storage.put(uri, storage);
return null;
}
};
walker.traverse(root, false);
if (walker.getBundleSymbolicName() != null)
data.uriPrefix = URI.createPlatformResourceURI(walker.getBundleSymbolicName() + "/", true);
} catch (RuntimeException e) {
log.error(e.getMessage(), e);
} catch (JavaModelException e) {
log.debug(e.getMessage(), e);
}
return data;
}
private PackageFragmentRootData getCachedData(IPackageFragmentRoot root) {
final String path = root.getPath().toString();
synchronized (cachedPackageFragmentRootData) {
if (cachedPackageFragmentRootData.containsKey(path)) {
final PackageFragmentRootData data = cachedPackageFragmentRootData.get(path);
if (isUpToDate(data, root)) {
data.addRoot(root);
return data;
} else {
cachedPackageFragmentRootData.remove(path);
}
}
}
PackageFragmentRootData data = initializeData(root);
synchronized (cachedPackageFragmentRootData) {
cachedPackageFragmentRootData.put(path, data);
}
return data;
}