io.undertow.conduits.BytesReceivedStreamSourceConduit Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.conduits;
import org.xnio.channels.StreamSinkChannel;
import org.xnio.conduits.AbstractStreamSourceConduit;
import org.xnio.conduits.StreamSourceConduit;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
/**
* @author Stuart Douglas
*/
public class BytesReceivedStreamSourceConduit extends AbstractStreamSourceConduit {
private final ByteActivityCallback callback;
/**
* Construct a new instance.
*
* @param next the delegate conduit to set
* @param callback
*/
public BytesReceivedStreamSourceConduit(StreamSourceConduit next, ByteActivityCallback callback) {
super(next);
this.callback = callback;
}
@Override
public long transferTo(long position, long count, FileChannel target) throws IOException {
long l = super.transferTo(position, count, target);
if (l > 0) {
callback.activity(l);
}
return l;
}
@Override
public long transferTo(long count, ByteBuffer throughBuffer, StreamSinkChannel target) throws IOException {
long l = super.transferTo(count, throughBuffer, target);
if (l > 0) {
callback.activity(l);
}
return l;
}
@Override
public int read(ByteBuffer dst) throws IOException {
int i = super.read(dst);
if (i > 0) {
callback.activity(i);
}
return i;
}
@Override
public long read(ByteBuffer[] dsts, int offs, int len) throws IOException {
long l = super.read(dsts, offs, len);
if (l > 0) {
callback.activity(l);
}
return l;
}
}