@Override
public synchronized void close() throws IOException {
if (this.closed) {
LOG.error("filesystem is already closed");
throw new IllegalStateException("filesystem is already closed");
}
// call handler
super.raiseOnBeforeDestroyEvent();
// close all open files
for (SyndicateFSInputStream is : this.openInputStream) {
try {
is.close();
} catch (IOException ex) {
LOG.error("exception occurred", ex);
}
}
for (OutputStream os : this.openOutputStream) {
try {
os.close();
} catch (IOException ex) {
LOG.error("exception occurred", ex);
}
}
this.filestatusCache.clear();
this.client.close();
super.close();
super.raiseOnAfterDestroyEvent();
}
@Override
protected void initialize(SyndicateFSConfiguration conf) throws InstantiationException {
if (conf == null) {
LOG.error("FileSystem Initialize failed : configuration is null");
throw new IllegalArgumentException(
"Can not initialize the filesystem from null configuration");
}
super.raiseOnBeforeCreateEvent();
super.initialize(conf);
this.client = new SyndicateUGHttpClient(conf.getHost(), conf.getPort());
super.raiseOnAfterCreateEvent();
}
