parsexml.java

cnc网通小灵通网关接口源码

package cncgw.parser;

/**
 * <p>Title: 小灵通网关</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: yy</p>
 * @author lxf
 * @version 1.0
 */

import java.io.*;
import org.jdom.*;
import org.apache.log4j.*;
import java.util.Iterator;
import cncgw.cncMain;


public class ParseXml {

    public static String POSidentification="";//POS编号全局
    public static Document xmlDoc;
    public ParseXml() {
    }

    /**
     *根据名称获得任意节点的值
     *@param element string
     *@return String
     */
    public static String getElement(String element)
    {
        String ResultString="";
        ResultString = getSonElement(element);//获得第2层节点的值
        if(ResultString.equals(""))
        {
            ResultString = getChildElement(element);//获得第3层节点的值
            if(ResultString.equals(""))
            {
                ResultString = getChildSonElement(element);//获得第4层节点的值
            }
        }


        return ResultString;
    }

    /**
     *根据名称获得第1层节点的值
     *@param element string
     *@return String
     */
    public static String getRootElement(String element)
    {
        String ResultString="";
        String  xmlRootElement = xmlDoc.getRootElement().getName();
        Iterator xmlRoot = xmlDoc.getRootElement().getChildren().iterator();
        if(xmlRootElement.equals(element))
        {//第1层
            ResultString = xmlDoc.getRootElement().getTextTrim();
        }

        return ResultString;
    }

    /**
     *根据名称获得第2层节点的值
     *@param element string
     *@return String
     */
    public static String getSonElement(String element)
    {
        String ResultString="";
        String  xmlRootElement = xmlDoc.getRootElement().getName();
        Iterator xmlRoot = xmlDoc.getRootElement().getChildren().iterator();
        while(xmlRoot.hasNext())
        {
            Element xmlSonElement = (Element)xmlRoot.next();
            String xmlSonName = xmlSonElement.getName();
            if(xmlSonName.equals(element))
            {//第2层
                ResultString = xmlSonElement.getTextTrim();
                return ResultString;
            }

        }
        return ResultString;
    }

    /**
     *根据名称获得第3层节点的值
     *@param element String
     *@return String
     */
    public static String getChildElement(String element)
    {
        String ResultString="";
        String  xmlRootElement = xmlDoc.getRootElement().getName();

        Iterator xmlRoot = xmlDoc.getRootElement().getChildren().iterator();
        while(xmlRoot.hasNext())
        {
            Element xmlSonElement = (Element)xmlRoot.next();
            String xmlSonName = xmlSonElement.getName();
//
            Iterator xmlSonRoot = xmlSonElement.getChildren().iterator();
            while(xmlSonRoot.hasNext())
            {
                Element xmlChildElement = (Element)xmlSonRoot.next();
                String xmlChildName = xmlChildElement.getName();

                if(xmlChildName.equals(element))
                {//第3层
                    ResultString = xmlChildElement.getTextTrim();
                    return ResultString;
                }

            }
        }
        return ResultString;
    }
    /**
     *根据名称获得第4层节点的值
     *@param element String
     *@return String
     */
    public static String getChildSonElement(String element)
    {
        String ResultString="";
        String  xmlRootElement = xmlDoc.getRootElement().getName();

        Iterator xmlRoot = xmlDoc.getRootElement().getChildren().iterator();
        while(xmlRoot.hasNext())
        {
            Element xmlSonElement = (Element)xmlRoot.next();
            String xmlSonName = xmlSonElement.getName();
//
            Iterator xmlSonRoot = xmlSonElement.getChildren().iterator();
            while(xmlSonRoot.hasNext())
            {
                Element xmlChildElement = (Element)xmlSonRoot.next();
                String xmlChildName = xmlChildElement.getName();
                Iterator xmlChildRoot = xmlChildElement.getChildren().iterator();
                while(xmlChildRoot.hasNext())
                   {
                       Element xmlChildSonElement = (Element) xmlChildRoot.next();
                       String xmlChildSonName = xmlChildSonElement.getName();

                       if(xmlChildSonName.equals(element))
                       {//第4层
                           ResultString = xmlChildSonElement.getTextTrim();
                           return ResultString;
                       }

                    }

            }
        }
        return ResultString;
    }


    /**
     * 配置 根据名称获得第2层节点的值getElement(String element)
     *@param strXML String 输入为 XML String
     */
    public static void xmlConfig(String strXML)
            throws JDOMException,NullPointerException
    {
        try
        {
           org.jdom.input.SAXBuilder builder= new org.jdom.input.SAXBuilder();
           builder.setValidation(false) ;
           //
           ByteArrayInputStream  b=new ByteArrayInputStream(strXML.getBytes());
           InputStream  ins=(InputStream)b;
           xmlDoc = builder.build(new InputStreamReader(ins));
        }
        catch(JDOMException e)
        {
            cncMain.errorlog("[错误]-解析交易接收的XML串发生错误："+e);
            throw e;
        }
        catch(NullPointerException e)
        {
            cncMain.errorlog("[错误]-解析交易接收的XML串发生错误："+e);

            throw e;
        }
    }


    public static void xmlFileConfig(String FileName)
    {
        try
        {
            org.jdom.input.SAXBuilder builder= new org.jdom.input.SAXBuilder();
            builder.setValidation(false) ;
            org.jdom.Document myDoc = builder.build(new InputStreamReader((InputStream)new FileInputStream(FileName)));
            java.util.Iterator it = myDoc.getRootElement().getChildren().iterator() ;

        }
        catch(JDOMException e)
        {
            cncMain.errorlog("[错误]-解析XML文件发生错误："+e ) ;
            e.printStackTrace();
        }
        catch(Exception e)
        {
            cncMain.errorlog("[错误]-解析XML文件发生错误："+e ) ;
            e.printStackTrace();
        }

    }

}