| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.tinkerpop.gremlin.server.handler; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.channel.ChannelHandler; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.handler.codec.MessageToByteEncoder; |
| import io.netty.util.CharsetUtil; |
| import org.apache.tinkerpop.gremlin.driver.simple.WebSocketClient; |
| |
| /** |
| * Encodes {@code ByteBuf} and {@code String} values to bytes to be written over NIO. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| * @deprecated As of release 3.3.10, not replaced, use {@link WebSocketClient}. |
| */ |
| @Deprecated |
| @ChannelHandler.Sharable |
| public class NioGremlinResponseFrameEncoder extends MessageToByteEncoder<Frame> { |
| @Override |
| protected void encode(final ChannelHandlerContext ctx, final Frame frame, final ByteBuf byteBuf) throws Exception { |
| if (frame.getMsg() instanceof ByteBuf) { |
| final ByteBuf bytes = (ByteBuf) frame.getMsg(); |
| byteBuf.writeInt(bytes.capacity()); |
| byteBuf.writeBytes(bytes); |
| bytes.release(); |
| } else if (frame.getMsg() instanceof String) { |
| final byte [] bytes = ((String) frame.getMsg()).getBytes(CharsetUtil.UTF_8); |
| byteBuf.writeInt(bytes.length); |
| byteBuf.writeBytes(bytes); |
| } |
| } |
| } |