在java代码中用xslt处理xml文件

java处理xml文件

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStream;

import java.io.UnsupportedEncodingException;

import java.net.URL;

import java.net.URLDecoder;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerException;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.stream.StreamSource;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.io.DocumentResult;

import org.dom4j.io.DocumentSource;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;

public class Jom4jForXmltoXslt {

    /**

     * 利用xslt文件转换xml

     * @author Administrator

     * @parame document,styleSheet

     */

    public static Document transformDocument(Document document,File styleSheet)

    throws TransformerException {

        TransformerFactory factory = TransformerFactory.newInstance();

        Transformer transformer = factory.newTransformer(new StreamSource(styleSheet));

        DocumentSource source = new DocumentSource(document);

        DocumentResult result = new DocumentResult();

        transformer.transform(source, result);

        Document transformedDoc = result.getDocument();

        return transformedDoc;

    }

    /**

     * 读取需要转换的xml文件

     * @return Document

     * @throws UnsupportedEncodingException

     * @throws FileNotFoundException

     */

    public Document getRoleXML() throws UnsupportedEncodingException, FileNotFoundException {

        InputStream is=null;

        URL url=this.getClass().getClassLoader().getResource("resources.xml");

        if(url==null) return null;

        String path = url.getFile();

        path = URLDecoder.decode(path,"UTF-8");

        is = new FileInputStream(new File(path));

        System.out.println("读到的menuConfig.xml位置在："+path);

        SAXReader reader = new SAXReader();

        try {

            return reader.read(is);

        } catch (DocumentException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

            return null;

        }

    }

    public static void main(String args[]) throws IOException {

        try {

            Document doc = new Jom4jForXmltoXslt().getRoleXML();

            Document resultDoc = Jom4jForXmltoXslt.transformDocument(doc, new File("transfer-menu-before.xslt"));

            OutputFormat format = OutputFormat.createPrettyPrint();

            format.setEncoding("GBK");

            XMLWriter writer = new XMLWriter(new FileWriter(new File("output.xml")),format);

            writer.write(resultDoc);

            writer.close();

            System.out.println("用xslt转换xml文件成功!");

        } catch (UnsupportedEncodingException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (FileNotFoundException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (TransformerException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}