/*
* Copyright 2013 JBoss, by Red Hat, Inc
*
* 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.websockets.impl;
import io.undertow.websockets.api.FragmentedBinaryFrameSender;
import io.undertow.websockets.core.FragmentedMessageChannel;
import io.undertow.websockets.core.StreamSinkFrameChannel;
import io.undertow.websockets.core.WebSocketMessages;
import java.io.IOException;
/**
* Default {@link FragmentedBinaryFrameSender} implementation, which uses a {@link io.undertow.websockets.core.WebSocketChannel} to perform
* writes.
*
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
final class DefaultFragmentedBinaryFrameSender extends DefaultBinaryFrameSender implements FragmentedBinaryFrameSender {
private FragmentedMessageChannel channel;
private boolean finalFragment;
public DefaultFragmentedBinaryFrameSender(WebSocketChannelSession session){
super(session);
}
@Override
protected StreamSinkFrameChannel createSink(long payloadSize) throws IOException {
if (session.closeFrameSent) {
WebSocketMessages.MESSAGES.closeFrameSentBefore();
}
if (channel == null) {
channel = session.getChannel().sendFragmentedBinary();
}
StreamSinkFrameChannel sink = channel.send(payloadSize, finalFragment);
return sink;
}
@Override
public void finalFragment() {
finalFragment = true;
}
}