Java tutorial
/* * Copyright (c) 2012-2014 Spotify AB * * 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 com.spotify.netty4.handler.codec.zmtp; import io.netty.buffer.ByteBuf; public class ZMTPMessageEncoder implements ZMTPEncoder { public static final Factory FACTORY = new Factory() { @Override public ZMTPEncoder encoder(final ZMTPSession session) { return new ZMTPMessageEncoder(); } }; @Override public void estimate(final Object msg, final ZMTPEstimator estimator) { final ZMTPMessage message = (ZMTPMessage) msg; for (int i = 0; i < message.size(); i++) { final ByteBuf frame = message.frame(i); estimator.frame(frame.readableBytes()); } } @Override public void encode(final Object msg, final ZMTPWriter writer) { final ZMTPMessage message = (ZMTPMessage) msg; for (int i = 0; i < message.size(); i++) { final ByteBuf frame = message.frame(i); final boolean more = i < message.size() - 1; final ByteBuf dst = writer.frame(frame.readableBytes(), more); dst.writeBytes(frame, frame.readerIndex(), frame.readableBytes()); } } @Override public void close() { } }