@Override
public synchronized boolean delete(SyndicateFSPath path)
throws FileNotFoundException, IOException {
if (path == null) {
LOG.error("path is null");
throw new IllegalArgumentException("path is null");
}
SyndicateFSPath absPath = getAbsolutePath(path);
SyndicateFSFileStatus status = getFileStatus(absPath);
if (status == null) {
LOG.error("file not exist");
throw new FileNotFoundException("file not exist : " + path.getPath());
}
if (status.isFile()) {
Future<ClientResponse> unlinkFuture = this.client.unlink(absPath.getPath());
if (unlinkFuture != null) {
try {
this.client.processUnlink(unlinkFuture);
} catch (RestfulException ex) {
LOG.error("exception occurred", ex);
throw new IOException(ex);
}
} else {
throw new IOException("Can not create a REST client");
}
} else if (status.isDirectory()) {
Future<ClientResponse> removeDirFuture = this.client.removeDir(absPath.getPath());
if (removeDirFuture != null) {
try {
this.client.processRemoveDir(removeDirFuture);
} catch (RestfulException ex) {
LOG.error("exception occurred", ex);
throw new IOException(ex);
}
} else {
throw new IOException("Can not create a REST client");
}
} else {
LOG.error("Can not delete from unknown status");
throw new IOException("Can not delete from unknown status");
}
this.filestatusCache.remove(absPath);
return true;
}
@Override
public synchronized boolean isDirectory(SyndicateFSPath path) {
if (path == null) {
LOG.error("path is null");
throw new IllegalArgumentException("path is null");
}
SyndicateFSPath absPath = getAbsolutePath(path);
SyndicateFSFileStatus status = null;
try {
status = getFileStatus(absPath);
} catch (IOException ex) {
LOG.error("exception occurred", ex);
}
if (status != null) {
return status.isDirectory();
}
return false;
}
private synchronized SyndicateFSFileHandle createNewFile(SyndicateFSPath abspath)
throws IOException {
if (abspath == null) {
LOG.error("abspath is null");
throw new IllegalArgumentException("abspath is null");
}
if (abspath.getParent() != null) {
SyndicateFSFileStatus parent = getFileStatus(abspath.getParent());
if (parent == null) {
LOG.error("Parent directory does not exist");
throw new IOException("Parent directory does not exist");
}
if (!parent.isDirectory()) {
LOG.error("Parent directory does not exist");
throw new IOException("Parent directory does not exist");
}
}
LOG.info("creating a file - " + abspath.getPath());
Future<ClientResponse> openFuture = this.client.open(abspath.getPath(), "w");
if (openFuture != null) {
try {
FileDescriptor fi = this.client.processOpen(openFuture);
SyndicateFSFileStatus status = new SyndicateFSFileStatus(this, abspath);
return new SyndicateFSFileHandle(this, status, fi, false);
} catch (Exception ex) {
LOG.error("exception occurred", ex);
throw new IOException(ex);
}
} else {
throw new IOException("Can not create a REST client");
}
}