com.friz.owari.network.codec.ExchangeEncoder.java Source code

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Here is the source code for com.friz.owari.network.codec.ExchangeEncoder.java

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/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Kyle Fricilone
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.friz.owari.network.codec;

import java.security.PublicKey;

import com.friz.owari.network.event.impl.ExchangeTransferEvent;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;

/**
 * @author Kyle Fricilone
 * @date Jun 12, 2016
 */
public class ExchangeEncoder extends MessageToByteEncoder<ExchangeTransferEvent> {

    /* (non-Javadoc)
     * @see io.netty.handler.codec.ByteToMessageCodec#encode(io.netty.channel.ChannelHandlerContext, java.lang.Object, io.netty.buffer.ByteBuf)
     */
    @Override
    protected void encode(ChannelHandlerContext ctx, ExchangeTransferEvent msg, ByteBuf out) throws Exception {
        if (!out.isWritable())
            return;

        final PublicKey key = msg.getPublicKey();

        byte[] enc = key.getEncoded();

        out.writeInt(enc.length);
        out.writeBytes(enc);
    }

}