org.maodian.flyingcat.xmpp.XmppServerInitializer.java Source code

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Here is the source code for org.maodian.flyingcat.xmpp.XmppServerInitializer.java

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/*
 * Copyright 2013 - 2013 Cole Wen
 *
 * 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 org.maodian.flyingcat.xmpp;

import io.netty.buffer.BufType;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;

import java.nio.charset.StandardCharsets;

import org.maodian.flyingcat.netty.handler.XMLFragmentDecoder;
import org.maodian.flyingcat.netty.handler.XmppXMLStreamHandler;
import org.springframework.context.ApplicationContext;

/**
 * @author Cole Wen
 * 
 */
public class XmppServerInitializer extends ChannelInitializer<SocketChannel> implements ChannelHandler {
    //private static final LoggerEnabledStringDecoder DECODER = new LoggerEnabledStringDecoder();
    //private static final LoggerEnabledStringEncoder ENCODER = new LoggerEnabledStringEncoder();
    private static final StringDecoder DECODER = new StringDecoder();
    private static final StringEncoder ENCODER = new StringEncoder(BufType.BYTE, StandardCharsets.UTF_8);
    private final ApplicationContext beanFactory;

    /**
     * @param injector
     */
    public XmppServerInitializer(ApplicationContext beanFactory) {
        this.beanFactory = beanFactory;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * io.netty.channel.ChannelInitializer#initChannel(io.netty.channel.Channel)
     */
    @Override
    public void initChannel(SocketChannel ch) throws Exception {
        ChannelPipeline p = ch.pipeline();

        String delimiter = ">";// XmppMessageInboundHandler.STREAM_NAME + ">";
        p.addLast("Frame", new DelimiterBasedFrameDecoder(8192, false, true,
                Unpooled.wrappedBuffer(delimiter.getBytes(StandardCharsets.UTF_8))));
        p.addLast("Logger", DECODER);
        p.addLast("XmlFragment", new XMLFragmentDecoder());
        p.addLast("Encoder", ENCODER);
        // p.addLast("Echo", new XmppMessageInboundHandler());
        // p.addLast("Echo", new StreamNegotiationHandler());
        XmppXMLStreamHandler streamHandler = beanFactory.getBean(XmppXMLStreamHandler.class);
        p.addLast("Echo", streamHandler);
    }
}