/**
* Mounts the first available VFS file system on the given dataspace
*
* @param spaceInfo space information
* @throws FileSystemException if no file system could be mounted
*/
private void mountFirstAvailableFileSystem(final SpaceInstanceInfo spaceInfo)
throws FileSystemException {
final DataSpacesURI mountingPoint = spaceInfo.getMountingPoint();
try {
writeLock.lock();
if (!mountedSpaces.containsKey(mountingPoint)) {
mountedSpaces.put(mountingPoint, new ConcurrentHashMap<String, FileObject>());
}
ConcurrentHashMap<String, FileObject> fileSystems = mountedSpaces.get(mountingPoint);
if (spaceInfo.getUrls().size() == 0) {
throw new IllegalStateException("Empty Space configuration");
}
DataSpacesURI spacePart = mountingPoint.getSpacePartOnly();
ArrayList<String> urls = new ArrayList<String>(spaceInfo.getUrls());
if (urls.size() == 1) {
urls.add(
0, Utils.getLocalAccessURL(urls.get(0), spaceInfo.getPath(), spaceInfo.getHostname()));
}
logger.debug("[VFSMountManager] Request mounting VFS root list : " + urls);
try {
VFSMountManagerHelper.mountAny(urls, fileSystems);
if (!accessibleFileObjectUris.containsKey(mountingPoint)) {
LinkedHashSet<String> srl = new LinkedHashSet<String>();
accessibleFileObjectUris.put(mountingPoint, srl);
}
LinkedHashSet<String> srl = accessibleFileObjectUris.get(mountingPoint);
for (String uri : urls) {
if (fileSystems.containsKey(uri)) {
srl.add(uri);
}
}
if (srl.isEmpty()) {
throw new IllegalStateException(
"Invalid empty size list when trying to mount "
+ urls
+ " mounted map content is "
+ fileSystems);
}
accessibleFileObjectUris.put(mountingPoint, srl);
if (logger.isDebugEnabled())
logger.debug(
String.format(
"[VFSMountManager] Mounted space: %s (access URL: %s)", spacePart, srl));
mountedSpaces.put(mountingPoint, fileSystems);
} catch (org.apache.commons.vfs.FileSystemException e) {
mountedSpaces.remove(mountingPoint);
throw new FileSystemException(
"An error occurred while trying to mount " + spaceInfo.getName(), e);
}
} finally {
writeLock.unlock();
}
}
