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/*
 * Copyright 2013 Tsukasa Kitachi
 *
 * 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.github.kxbmap.ipchecker;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.MessageBuf;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageDecoder;
import java.net.InetAddress;


@Sharable
public class InetAddressDecoder extends MessageToMessageDecoder {
    @Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf in, MessageBuf out) throws Exception {
        final byte[] bytes = new byte[in.readableBytes()];
        in.readBytes(bytes);
        out.add(InetAddress.getByAddress(bytes));
    }
}