com.jfinal.weixin.sdk.message.InMessageParaser.java Source code

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Here is the source code for com.jfinal.weixin.sdk.message.InMessageParaser.java

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/**
 * Copyright (c) 2011-2014, James Zhan  (jfinal@126.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */

package com.jfinal.weixin.sdk.message;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import com.jfinal.weixin.sdk.message.in.InImageMessage;
import com.jfinal.weixin.sdk.message.in.InLinkMessage;
import com.jfinal.weixin.sdk.message.in.InLocationMessage;
import com.jfinal.weixin.sdk.message.in.InMessage;
import com.jfinal.weixin.sdk.message.in.InTextMessage;
import com.jfinal.weixin.sdk.message.in.InVideoMessage;
import com.jfinal.weixin.sdk.message.in.InVoiceMessage;
import com.jfinal.weixin.sdk.message.in.event.InFollowEvent;
import com.jfinal.weixin.sdk.message.in.event.InLocationEvent;
import com.jfinal.weixin.sdk.message.in.event.InMenuEvent;
import com.jfinal.weixin.sdk.message.in.event.InQrCodeEvent;

public class InMessageParaser {

    private InMessageParaser() {
    }

    /**
     *  xml ???
     */
    public static InMessage parse(String xml) {
        try {
            return doParse(xml);
        } catch (DocumentException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * ?
     * 1text ?
     * 2image ?
     * 3voice ?
     * 4video ?
     * 5location ???
     * 6link ?
     * 7event 
     */
    private static InMessage doParse(String xml) throws DocumentException {
        Document doc = DocumentHelper.parseText(xml);
        Element root = doc.getRootElement();
        String toUserName = root.elementText("ToUserName");
        String fromUserName = root.elementText("FromUserName");
        Integer createTime = Integer.parseInt(root.elementText("CreateTime"));
        String msgType = root.elementText("MsgType");
        if ("text".equals(msgType))
            return parseInTextMessage(root, toUserName, fromUserName, createTime, msgType);
        if ("image".equals(msgType))
            return parseInImageMessage(root, toUserName, fromUserName, createTime, msgType);
        if ("voice".equals(msgType))
            return parseInVoiceMessage(root, toUserName, fromUserName, createTime, msgType);
        if ("video".equals(msgType))
            return parseInVideoMessage(root, toUserName, fromUserName, createTime, msgType);
        if ("location".equals(msgType))
            return parseInLocationMessage(root, toUserName, fromUserName, createTime, msgType);
        if ("link".equals(msgType))
            return parseInLinkMessage(root, toUserName, fromUserName, createTime, msgType);
        if ("event".equals(msgType))
            return parseInEvent(root, toUserName, fromUserName, createTime, msgType);
        throw new RuntimeException("???");
    }

    private static InMessage parseInTextMessage(Element root, String toUserName, String fromUserName,
            Integer createTime, String msgType) {
        InTextMessage msg = new InTextMessage(toUserName, fromUserName, createTime, msgType);
        msg.setContent(root.elementText("Content"));
        msg.setMsgId(root.elementText("MsgId"));
        return msg;
    }

    private static InMessage parseInImageMessage(Element root, String toUserName, String fromUserName,
            Integer createTime, String msgType) {
        InImageMessage msg = new InImageMessage(toUserName, fromUserName, createTime, msgType);
        msg.setPicUrl(root.elementText("PicUrl"));
        msg.setMediaId(root.elementText("MediaId"));
        msg.setMsgId(root.elementText("MsgId"));
        return msg;
    }

    private static InMessage parseInVoiceMessage(Element root, String toUserName, String fromUserName,
            Integer createTime, String msgType) {
        InVoiceMessage msg = new InVoiceMessage(toUserName, fromUserName, createTime, msgType);
        msg.setMediaId(root.elementText("MediaId"));
        msg.setFormat(root.elementText("Format"));
        msg.setMsgId(root.elementText("MsgId"));
        return msg;
    }

    private static InMessage parseInVideoMessage(Element root, String toUserName, String fromUserName,
            Integer createTime, String msgType) {
        InVideoMessage msg = new InVideoMessage(toUserName, fromUserName, createTime, msgType);
        msg.setMediaId(root.elementText("MediaId"));
        msg.setThumbMediaId(root.elementText("ThumbMediaId"));
        msg.setMsgId(root.elementText("MsgId"));
        return msg;
    }

    private static InMessage parseInLocationMessage(Element root, String toUserName, String fromUserName,
            Integer createTime, String msgType) {
        InLocationMessage msg = new InLocationMessage(toUserName, fromUserName, createTime, msgType);
        msg.setLocation_X(root.elementText("Location_X"));
        msg.setLocation_Y(root.elementText("Location_Y"));
        msg.setScale(root.elementText("Scale"));
        msg.setLabel(root.elementText("Label"));
        msg.setMsgId(root.elementText("MsgId"));
        return msg;
    }

    private static InMessage parseInLinkMessage(Element root, String toUserName, String fromUserName,
            Integer createTime, String msgType) {
        InLinkMessage msg = new InLinkMessage(toUserName, fromUserName, createTime, msgType);
        msg.setTitle(root.elementText("Title"));
        msg.setDescription(root.elementText("Description"));
        msg.setUrl(root.elementText("Url"));
        msg.setMsgId(root.elementText("MsgId"));
        return msg;
    }

    // ??
    private static InMessage parseInEvent(Element root, String toUserName, String fromUserName, Integer createTime,
            String msgType) {
        String event = root.elementText("Event");
        if ("LOCATION".equals(event)) {
            InLocationEvent e = new InLocationEvent(toUserName, fromUserName, createTime, msgType);
            e.setEvent(event);
            e.setLatitude(root.elementText("Latitude"));
            e.setLongitude(root.elementText("Longitude"));
            e.setPrecision(root.elementText("Precision"));
            return e;
        }

        if ("CLICK".equals(event) || "VIEW".equals(event)) {
            InMenuEvent e = new InMenuEvent(toUserName, fromUserName, createTime, msgType);
            e.setEvent(event);
            e.setEventKey(root.elementText("EventKey"));
            return e;
        }

        String eventKey = root.elementText("EventKey");
        if ("subscribe".equals(event) && eventKey == null) {
            InFollowEvent e = new InFollowEvent(toUserName, fromUserName, createTime, msgType);
            e.setEvent(event);
            return e;
        }

        String ticket = root.elementText("Ticket");
        if ("subscribe".equals(event) || "SCAN".equals(event)) {
            if (eventKey != null && ticket != null) {
                InQrCodeEvent e = new InQrCodeEvent(toUserName, fromUserName, createTime, msgType);
                e.setEvent(event);
                e.setEventKey(eventKey);
                e.setTicket(ticket);
                return e;
            }
        }

        throw new RuntimeException("??");
    }

    public static void main(String[] args) throws DocumentException {
        String xml = "<xml>\n" + "<ToUserName><![CDATA[James]]></ToUserName>\n"
                + "<FromUserName><![CDATA[JFinal]]></FromUserName>\n" + "<CreateTime>1348831860</CreateTime>\n"
                + "<MsgType><![CDATA[text]]></MsgType>\n" + "<Content><![CDATA[this is a test]]></Content>\n"
                + "<MsgId>1234567890123456</MsgId>\n" + "</xml>";

        //      InTextMessage msg = (InTextMessage)parse(xml);
        //      System.out.println(msg.getToUserName());
        //      System.out.println(msg.getFromUserName());
        //      System.out.println(msg.getContent());

        String xml_2 = "<xml>\n" + "<ToUserName><![CDATA[James]]></ToUserName>\n"
                + "<FromUserName><![CDATA[JFinal]]></FromUserName>\n" + "<CreateTime>1348831860</CreateTime>\n"
                + "<MsgType><![CDATA[text]]></MsgType>\n" + "<Content><![CDATA[this is a test]]></Content>\n"
                + "<MsgId>1234567890123456</MsgId>\n" + "</xml>";

        Document doc = DocumentHelper.parseText(xml_2);
        Element root = doc.getRootElement();
        String value = root.elementText("abc");
        System.out.println(value);
    }
}