数据库比较工具2

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;    }    }

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