import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class ParseXml
{
    
    /** 解析数据库信息的配置文件
     * 返回配置文件中的信息列表
     * @param args
     * @see [类、类#方法、类#成员]
     */
    public static List parseXml(File dbConfigXmlFile)
    {
        List dbConfList = new ArrayList();
        
        try
        {
            Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(dbConfigXmlFile);
            NodeList nodes = doc.getElementsByTagName("local-tx-datasource");
            NodeList subNodes = null;
            Node tempNode = null;
            String nodeValue = null;
            String[] infos = null;
            
            for(int i=0;i<nodes.getLength();i++)
            {
                tempNode = nodes.item(i);
                
                if(tempNode instanceof Element)
                {
                    tempNode = (Element)tempNode;
                }
                
                subNodes = tempNode.getChildNodes();
                
                infos = new String[5];
                for(int j =0;j<subNodes.getLength();j++)
                {
                    tempNode = subNodes.item(j);

                    if(tempNode instanceof Element)
                    {
                        tempNode = (Element) tempNode;
                        nodeValue  =tempNode.getFirstChild().getNodeValue();

                        if(tempNode.getNodeName().equals("connection-url"))
                        {
                            infos[0]=nodeValue;
                        }
                        if(tempNode.getNodeName().equals("driver-class"))
                        {
                            infos[1]=nodeValue;
                        }
                        if(tempNode.getNodeName().equals("user-name"))
                        {
                            infos[2]=nodeValue;
                        }
                        if(tempNode.getNodeName().equals("password"))
                        {
                            infos[3]=nodeValue;
                        }
                        if(tempNode.getNodeName().equals("isUse"))
                        {
                            infos[4]=nodeValue;
                        }
                    }
                }
                dbConfList.add(infos);
            }
        }
        catch (SAXException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (ParserConfigurationException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (FactoryConfigurationError e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
        return dbConfList;
    }
    
}

?