/*
* Copyright 2013 The Netty Project
*
* The Netty Project licenses this file to you 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 org.jboss.aerogear.io.netty.handler.codec.sockjs.transport;
import io.netty.channel.*;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import org.jboss.aerogear.io.netty.handler.codec.sockjs.protocol.Frame;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;
class WebSocketSendHandler extends ChannelHandlerAdapter {
private static final InternalLogger logger = InternalLoggerFactory.getInstance(WebSocketSendHandler.class);
@Override
public void write(final ChannelHandlerContext ctx, final Object msg, final ChannelPromise promise)
throws Exception {
if (msg instanceof Frame) {
final Frame sockJsFrame = (Frame) msg;
ctx.writeAndFlush(new TextWebSocketFrame(sockJsFrame.content().copy()))
.addListener(new ChannelFutureListener() {
@Override
public void operationComplete(final ChannelFuture future) throws Exception {
if (future.isSuccess()) {
promise.setSuccess();
}
}
});
sockJsFrame.release();
} else {
ctx.write(ReferenceCountUtil.retain(msg), promise);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
logger.error("Caught : ", cause);
super.exceptionCaught(ctx, cause);
}
}