java出来xml相关API的工具类

package com.cn.xml;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerFactory;import org.w3c.dom.Document;public class XMLParseUtil {private static final Document document=bulidDocument();  //获取document解析对象private static final Transformer transformer=buildTransformer();  //获取transformer转换对象private static Document bulidDocument(){try{DocumentBuilderFactory dFactory=DocumentBuilderFactory.newInstance();DocumentBuilder dBuilder=dFactory.newDocumentBuilder();return dBuilder.newDocument();}catch(Throwable ex){throw new ExceptionInInitializerError(ex);  }}public static Document getDocument(){return document;}private static Transformer buildTransformer(){try{TransformerFactory tFactory=TransformerFactory.newInstance();return tFactory.newTransformer();}catch(Throwable ex){throw new ExceptionInInitializerError(ex);  }}public static Transformer getTransformer(){return transformer;}}