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package com.koushikdutta.async;
import com.koushikdutta.async.callback.CompletedCallback;
import com.koushikdutta.async.callback.DataCallback;
import com.koushikdutta.async.wrapper.DataEmitterWrapper;
public class FilteredDataEmitter extends DataEmitterBase implements DataEmitter, DataCallback, DataEmitterWrapper, DataTrackingEmitter {
DataEmitter mEmitter;
@Override
public DataEmitter getDataEmitter() {
return mEmitter;
}
@Override
public void setDataEmitter(DataEmitter emitter) {
if (mEmitter != null) {
mEmitter.setDataCallback(null);
}
mEmitter = emitter;
mEmitter.setDataCallback(this);
mEmitter.setEndCallback(new CompletedCallback() {
@Override
public void onCompleted(Exception ex) {
report(ex);
}
});
}
@Override
public int getBytesRead() {
return totalRead;
}
@Override
public DataTracker getDataTracker() {
return tracker;
}
@Override
public void setDataTracker(DataTracker tracker) {
this.tracker = tracker;
}
DataTracker tracker;
int totalRead;
@Override
public void onDataAvailable(DataEmitter emitter, ByteBufferList bb) {
if (bb != null)
totalRead += bb.remaining();
Util.emitAllData(this, bb);
if (bb != null)
totalRead -= bb.remaining();
if (tracker != null && bb != null)
tracker.onData(totalRead);
// if there's data after the emitting, and it is paused... the underlying implementation
// is obligated to cache the byte buffer list.
}
@Override
public boolean isChunked() {
return mEmitter.isChunked();
}
@Override
public void pause() {
mEmitter.pause();
}
@Override
public void resume() {
mEmitter.resume();
}
@Override
public boolean isPaused() {
return mEmitter.isPaused();
}
@Override
public AsyncServer getServer() {
return mEmitter.getServer();
}
@Override
public void close() {
mEmitter.close();
}
}
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