@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 isFile(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.isFile();
}
return false;
}
@Override
public SyndicateFSOutputStream getFileOutputStream(SyndicateFSPath path) throws 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) {
if (!status.isFile()) {
LOG.error("Can not open the file to write (is directory) : " + absPath.getPath());
throw new IOException(
"Can not open the file to write (is directory) : " + absPath.getPath());
}
SyndicateFSFileHandle handle = getFileHandle(status, false);
if (handle == null) {
LOG.error("Can not open the file to write : " + absPath.getPath());
throw new IOException("Can not open the file to write : " + absPath.getPath());
}
SyndicateFSOutputStream os = new SyndicateFSOutputStream(handle);
this.openOutputStream.add(os);
return os;
} else {
// create new file
SyndicateFSFileHandle handle = createNewFile(absPath);
if (handle == null) {
LOG.error("Can not create a file to write : " + absPath.getPath());
throw new IOException("Can not create a file to write : " + absPath.getPath());
}
SyndicateFSOutputStream os = new SyndicateFSOutputStream(handle);
this.openOutputStream.add(os);
return os;
}
}