package com.ppstream.ugc.jobserver.util;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.math.NumberUtils;

import com.ppstream.ugc.jobserver.core.data.JobTasksData;

public class XmlPackParser {

    private String msg;

    public XmlPackParser() {
    }

    public XmlPackParser(String inMsg) {
        this.msg = inMsg;
    }

    public void setMsg(String inMsg) {
        this.msg = inMsg;
    }

    public String decode(String fieldName) {
        String _retStr = "";
        String _match = "<" + fieldName + ">";
        String _match2 = "</" + fieldName + ">";
        int _nStartPos = msg.indexOf(_match) + _match.length();
        int _nEndPos = msg.indexOf(_match2);
        if (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos) {
            _retStr = this.msg.substring(_nStartPos, _nEndPos);
        }
        return _retStr;
    }

    /**
     * 找出第fromInx个<fieldName>的值, fromInx从1开始
     * 
     * @param fieldName
     * @param fromInx
     * @return
     */
    public String decode(String fieldName, int fromInx) {
        String _retStr = "";
        String _match = "<" + fieldName + ">";
        String _match2 = "</" + fieldName + ">";
        int _nStartPos = StringUtils.ordinalIndexOf(msg, _match, fromInx) + _match.length();
        int _nEndPos = StringUtils.ordinalIndexOf(msg, _match2, fromInx);
        if (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos) {
            _retStr = this.msg.substring(_nStartPos, _nEndPos);
        }

        return _retStr;
    }

    public int decodeInt(String fieldName) {
        int _nRet = -1;
        String _strRet = this.decode(fieldName);
        _strRet = _strRet.trim();
        if (_strRet != null && _strRet.length() > 0)
            _nRet = Integer.parseInt(_strRet);
        return _nRet;
    }

    public int decodeInt(String fieldName, int fromIdx) {
        int _nRet = -1;
        String _strRet = this.decode(fieldName, fromIdx);
        _strRet = _strRet.trim();
        if (_strRet != null && _strRet.length() > 0)
            _nRet = Integer.parseInt(_strRet);
        return _nRet;
    }

    public long decodeLong(String fieldName) {
        long _nRet = -1;
        String _strRet = this.decode(fieldName);
        _strRet = _strRet.trim();
        if (_strRet != null && _strRet.length() > 0)
            _nRet = NumberUtils.toLong(_strRet, 0);
        return _nRet;
    }

    public long decodeLong(String fieldName, int fromIdx) {
        long _nRet = -1;
        String _strRet = this.decode(fieldName, fromIdx);
        _strRet = _strRet.trim();
        if (_strRet != null && _strRet.length() > 0)
            _nRet = NumberUtils.toLong(_strRet);
        return _nRet;
    }

    public Date decodeDate(String fieldName) {
        Date _retDate = null;
        String _strDate = this.decode(fieldName);
        try {
            SimpleDateFormat _df = new SimpleDateFormat("yyyyMMddHHmm");
            _retDate = _df.parse(_strDate);
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        return _retDate;
    }

    public boolean decodeBool(String fieldName) {
        boolean _bRet = false;
        String _strRet = this.decode(fieldName);
        _strRet = _strRet.trim();
        if (_strRet != null && _strRet.length() > 0)
            _bRet = Boolean.parseBoolean(_strRet);
        return _bRet;
    }

    public boolean check(String fieldName) {
        String _match = "<" + fieldName + ">";
        String _match2 = "</" + fieldName + ">";
        int _nStartPos = msg.indexOf(_match) + _match.length();
        int _nEndPos = msg.indexOf(_match2);
        if (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos)
            return true;

        return false;
    }

    public boolean check(String fieldName, int fromIdx) {
        String _match = "<" + fieldName + ">";
        String _match2 = "</" + fieldName + ">";
        int _nStartPos = msg.indexOf(_match, fromIdx) + _match.length();
        int _nEndPos = msg.indexOf(_match2, fromIdx);
        if (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos)
            return true;

        return false;
    }

    /**
     * 判断指定节点下的属性与值是否匹配
     * 能够在多个相同节点不同属性、不同属性值得情况下，找到需要的节点 
     * 返回匹配的多个节点内容 
     * @param fieldName 指定的节点
     * @param attribute 指定的属性
     * @param value 指定的属性值
     * @return 返回匹配的多个节点内容
     */
    public List<String> equalsAttribute(String fieldName, String attribute, String value) {
        List<String> result = new ArrayList<String>();
        int fromInx = 1;
        String _retStr = "";
        String _match = "<" + fieldName+ " ";
        String _match2 = "</" + fieldName + ">";
        int _nStartPos = StringUtils.ordinalIndexOf(msg, _match, fromInx);
        int _nEndPos = StringUtils.ordinalIndexOf(msg, _match2, fromInx);
        while (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos) {
            _retStr = this.msg.substring(_nStartPos, _nEndPos);
            int exist = _retStr.indexOf(attribute + "=\\"" + value + "\\"");
            if (exist != -1) {
                result.add(_retStr);
            }
            fromInx++;
            _nStartPos = StringUtils.ordinalIndexOf(msg, _match, fromInx);
            _nEndPos = StringUtils.ordinalIndexOf(msg, _match2, fromInx);
        }
        return result;
    }

    /**
     * 从给定的字符串中获取指定节点的内容
     * @param submsg 给定的字符串
     * @param fieldName 指定的节点
     * @return 指定节点的内容
     */
    public String decodeSubmsg(String submsg, String fieldName) {
        String _retStr = "";
        if (StringUtils.isNotBlank(submsg)) {
            String _match = "<" + fieldName + ">";
            String _match2 = "</" + fieldName + ">";
            int _nStartPos = submsg.indexOf(_match) + _match.length();
            int _nEndPos = submsg.indexOf(_match2);
            if (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos) {
                _retStr = submsg.substring(_nStartPos, _nEndPos);
            }
        }
        return _retStr;
    }

    /**
     * 在给定的的字符串中获取指定属性的值
     * @param submsg    给定的字符串
     * @param attribute 属性
     * @return 返回属性值
     */
    public String decodeAttribute(String submsg, String attribute) {
        String value = "";
        if (StringUtils.isNotBlank(submsg)) {
            String _match = attribute + "=\\"";
            String _match2 = "\\"";
            int _nStartPos = submsg.indexOf(_match) + _match.length();
            int _nEndPos = submsg.indexOf(_match2, _nStartPos);
            if (_nStartPos >= 0 && _nEndPos >= 0 && _nEndPos > _nStartPos) {
                value = submsg.substring(_nStartPos, _nEndPos);
            }
        }
        return value;
    }

    public static void main(String[] args) {
        String testMsg = "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?><success><video_id>8000040766</video_id><upip>222.73.48.192:9200</upip><path>\\\\20120420\\\\8000042009\\\\8000042009.rmvb</path><filename>2-104.rmvb</filename><sha1>9a59e568de6b7dcd4f6bf3fdd730e1cec51e5e54</sha1><file_size>10809501</file_size><width>320</width><height>240</height><bitrate>548</bitrate><playtime>64000</playtime><file_status>0</file_status><ugcfs_ver>1.0.1.26</ugcfs_ver><upload_id>8000042009</upload_id><special_op>NO_CONVERT</special_op><attachments><attachment type=\\"subtitle\\" attach_id=\\"1021\\"><sha1>57f94c55d81a672faa267d50a0b8be1dad43179d</sha1><path>\\\\20120420\\\\8000042009\\\\1021.srt</path></attachment><attachment type=\\"config\\" defination=\\"low\\" attach_id=\\"1022\\"><sha1>6172476e0c727a113b63a36bd33b76096689704f</sha1><path>\\\\20120420\\\\8000042009\\\\1022.xml</path></attachment><attachment type=\\"config\\" defination=\\"normal\\" attach_id=\\"1023\\"><sha1>9edf5e5f4fb297c3807db95ba5f3c66d9a035f71</sha1><path>\\\\20120420\\\\8000042009\\\\1023.xml</path></attachment><attachment type=\\"config\\" defination=\\"high\\" attach_id=\\"1024\\"><sha1>31ce06e929a28f073b8ea2fd63ca484fb573ffdb</sha1><path>\\\\20120420\\\\8000042009\\\\1024.xml</path></attachment><attachment type=\\"config\\" defination=\\"baseline\\" attach_id=\\"1025\\"><sha1>b5c59e633e8feaa3287b3c380e06c576b3b5a9f2</sha1><path>\\\\20120420\\\\8000042009\\\\1025.xml</path></attachment></attachments></success>";
        XmlPackParser parser = new XmlPackParser(testMsg);
        String fieldName = "attachment";
        String attribute = "type";
        JobTasksData data = new JobTasksData();

        String upip = parser.decode("upip");
        System.out.println("upip = " + upip);
        System.out.println("//*****************************************//");
        List<String> list = parser.equalsAttribute(fieldName, attribute, "config");
        if (list.size() > 0) {
            Iterator<String> it = list.iterator();
            while(it.hasNext()) {
                String submsg = it.next();
                System.out.println(submsg);
                String value = parser.decodeAttribute(submsg, "defination");
                System.out.println("defination = " + value);
//              String path = parser.decodeSubmsg(submsg, "path");
                String path = data.substringHttp(parser.decodeSubmsg(submsg, "path"),parser.decode("upip"));
                System.out.println("path = " + path);
            }
        }
    }

}

//源代码片段来自云代码http://yuncode.net