ws.wamp.jawampa.transport.netty.WampDeserializationHandler Maven / Gradle / Ivy
/*
* Copyright 2014 Matthias Einwag
*
* The jawampa authors license 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 ws.wamp.jawampa.transport.netty;
import java.util.List;
import ws.wamp.jawampa.WampMessages.WampMessage;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageDecoder;
import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
import io.netty.handler.codec.http.websocketx.PongWebSocketFrame;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketFrame;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;
import ws.wamp.jawampa.WampSerialization;
public class WampDeserializationHandler extends MessageToMessageDecoder {
private static final InternalLogger logger = InternalLoggerFactory.getInstance(WampDeserializationHandler.class);
enum ReadState {
Closed,
Reading,
Error
}
ReadState readState = ReadState.Closed;
final WampSerialization serialization;
public WampSerialization serialization() {
return serialization;
}
public WampDeserializationHandler(WampSerialization serialization) {
this.serialization = serialization;
}
@Override
public void handlerAdded(ChannelHandlerContext ctx) {
readState = ReadState.Reading;
}
@Override
public void channelActive(ChannelHandlerContext ctx) {
readState = ReadState.Reading;
ctx.fireChannelActive();
}
@Override
public void channelInactive(ChannelHandlerContext ctx) {
readState = ReadState.Closed;
ctx.fireChannelInactive();
}
@Override
protected void decode(ChannelHandlerContext ctx, WebSocketFrame frame, List