com.lampard.netty4.protocol.http.xml.server.HttpXmlServerHandler.java Source code

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Here is the source code for com.lampard.netty4.protocol.http.xml.server.HttpXmlServerHandler.java

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/*
 * Copyright 2013-2018 Lilinfeng.
 *  
 * 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.lampard.netty4.protocol.http.xml.server;

import static io.netty.handler.codec.http.HttpHeaders.isKeepAlive;
import static io.netty.handler.codec.http.HttpHeaders.Names.CONTENT_TYPE;
import static io.netty.handler.codec.http.HttpResponseStatus.INTERNAL_SERVER_ERROR;
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;

import com.lampard.netty4.protocol.http.xml.codec.HttpXmlRequest;
import com.lampard.netty4.protocol.http.xml.pojo.Order;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.util.CharsetUtil;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;

import java.util.ArrayList;
import java.util.List;

import com.lampard.netty4.protocol.http.xml.codec.HttpXmlResponse;
import com.lampard.netty4.protocol.http.xml.pojo.Address;

/**
 * @author lilinfeng
 * @date 2014214
 * @version 1.0
 */
public class HttpXmlServerHandler extends SimpleChannelInboundHandler<HttpXmlRequest> {

    @Override
    public void messageReceived(final ChannelHandlerContext ctx, HttpXmlRequest xmlRequest) throws Exception {
        HttpRequest request = xmlRequest.getRequest();
        Order order = (Order) xmlRequest.getBody();
        System.out.println("Http server receive request : " + order);
        dobusiness(order);
        ChannelFuture future = ctx.writeAndFlush(new HttpXmlResponse(null, order));
        if (!isKeepAlive(request)) {
            future.addListener(new GenericFutureListener<Future<? super Void>>() {
                public void operationComplete(Future future) throws Exception {
                    ctx.close();
                }
            });
        }
    }

    private void dobusiness(Order order) {
        order.getCustomer().setFirstName("");
        order.getCustomer().setLastName("??");
        List<String> midNames = new ArrayList<String>();
        midNames.add("?");
        order.getCustomer().setMiddleNames(midNames);
        Address address = order.getBillTo();
        address.setCity("");
        address.setCountry("?");
        address.setState("??");
        address.setPostCode("123456");
        order.setBillTo(address);
        order.setShipTo(address);
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        if (ctx.channel().isActive()) {
            sendError(ctx, INTERNAL_SERVER_ERROR);
        }
    }

    private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status,
                Unpooled.copiedBuffer(": " + status.toString() + "\r\n", CharsetUtil.UTF_8));
        response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }
}