/* * To change this template, choose Tools | Templates * and open the template in the editor. */package biz.tbuy.huliqing.jloading.downloader;import java.io.File;import java.io.IOException;import java.io.Writer;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerConfigurationException;import javax.xml.transform.TransformerException;import javax.xml.transform.TransformerFactory;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;import org.w3c.dom.Document;import org.xml.sax.SAXException;/** * @author huliqing * @version 1.0 * <br/>最后修改：2007-12-02 * <p><b>qq：</b>31703299 * <p><b>E-mail：</b><a href="mailto:huliqing.cn@gmail.com">huliqing.cn@gmail.com</a> * <p><b>Homepage：</b><a href="http://www.tbuy.biz/">http://www.tbuy.biz/</a> */public class XmlOper {        /**     * 在內(nèi)存中創(chuàng)建一個(gè)Document文檔對(duì)象     * @return doc     * @throws javax.xml.parsers.ParserConfigurationException     */    public static org.w3c.dom.Document newDocument() throws             ParserConfigurationException{        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();        DocumentBuilder builder = factory.newDocumentBuilder();        return builder.newDocument();    }    /**     * 通過xml文件路徑獲取一個(gè)Document文檔對(duì)象     * @param xmlPath XML文件的路徑     * @return doc 該XML文件的Document對(duì)象     * @throws org.xml.sax.SAXException     * @throws java.io.IOException     * @throws javax.xml.parsers.ParserConfigurationException     */    public static org.w3c.dom.Document getDocument(String xmlPath) throws             SAXException, IOException, ParserConfigurationException {        return getDocument(new File(xmlPath));    }        /**     * 讀取file對(duì)象并分析，返回一個(gè)Document對(duì)象     * @param file 需要分析的文件     * @return doc Document對(duì)象     * @throws org.xml.sax.SAXException     * @throws java.io.IOException     * @throws javax.xml.parsers.ParserConfigurationException     */    public static org.w3c.dom.Document getDocument(File file) throws             SAXException, IOException, ParserConfigurationException {        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();        DocumentBuilder builder = factory.newDocumentBuilder();        return builder.parse(file);    }        /**     * 該方法用于將doc文件保存至xmlPath, 將內(nèi)存中的整個(gè)Document保存至路徑     * @param doc 已經(jīng)讀入內(nèi)存的document文檔對(duì)象     * @param xmlPath 保存路徑     * @throws javax.xml.transform.TransformerConfigurationException     * @throws javax.xml.transform.TransformerException     */    public static void saveDocument(Document doc, String xmlPath) throws             TransformerConfigurationException, TransformerException {        saveDocument(doc, new File(xmlPath));    }        /**     * 該方法用于將doc文件保存至file, 將內(nèi)存中的整個(gè)Document保存至file所在的路徑     * @param doc 已經(jīng)讀入內(nèi)存的document文檔對(duì)象     * @param file 保存的文件對(duì)象     * @throws javax.xml.transform.TransformerConfigurationException     * @throws javax.xml.transform.TransformerException     */    public static void saveDocument(Document doc, File file) throws             TransformerConfigurationException, TransformerException {        TransformerFactory tFactory = TransformerFactory.newInstance();            Transformer transformer = tFactory.newTransformer();          DOMSource source = new DOMSource(doc);        StreamResult result = new StreamResult(file);        transformer.transform(source, result);    }        /**     * 輸出doc     * @param doc     * @param writer     * @throws javax.xml.transform.TransformerConfigurationException     * @throws javax.xml.transform.TransformerException     */    public static void write(Document doc, Writer writer) throws             TransformerConfigurationException, TransformerException {        TransformerFactory tFactory = TransformerFactory.newInstance();            Transformer transformer = tFactory.newTransformer();         DOMSource source = new DOMSource(doc);        StreamResult result = new StreamResult(writer);        transformer.transform(source, result);    }}