xslt 转换 xml

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
 
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.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
 
public class DoXstl { 
    /**
     * 通过传入的XML和xslt样式获得转出XML
     * @param tradeDoc
     * @param xslFile
     * @return 
     */
    public String generateXMLDOM(Document tradeDoc,String xslFile){   
        String outXml = "";   
        try {     
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();   
            DocumentBuilder db = dbf.newDocumentBuilder();   
            Document document = db.parse(xslFile);   
            DOMSource source = new DOMSource(document);   
            Transformer tf = TransformerFactory.newInstance().newTransformer(source);
            tf.setOutputProperty("encoding","GB2312");//解决中文问题
            ByteArrayOutputStream bos = new ByteArrayOutputStream();   
            tf.transform(new DOMSource(tradeDoc), new StreamResult(bos));
            outXml = bos.toString();
            System.out.println("通过传入的XML和xslt样式获得转出XML"+outXml);
        } catch (TransformerConfigurationException e) {   
            e.printStackTrace();   
        } catch (ParserConfigurationException e) {   
            e.printStackTrace();   
        } catch (SAXException e) {   
            e.printStackTrace();   
        } catch (IOException e) {   
            e.printStackTrace();   
        } catch (TransformerFactoryConfigurationError e) {   
            e.printStackTrace();   
        } catch (TransformerException e) {   
            e.printStackTrace();   
        } catch (Exception e){
            e.printStackTrace();
        }
        return outXml;   
    }   
    /**
     * 通过传入的XML和xslt样式获得转出XML
     * @param tradeDoc
     * @param xslFile
     * @return 
     */
    public String generateXMLDOM(String xml,String xslFile){   
        String outXml = ""; 
        Document tradeDoc = null;
        try {
            tradeDoc = strToDocument(xml);
        } catch (Exception e1) {
            e1.printStackTrace();
        }
         
        try {     
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();   
            DocumentBuilder db = dbf.newDocumentBuilder();   
            Document document = db.parse(xslFile);   
            DOMSource source = new DOMSource(document);   
            Transformer tf = TransformerFactory.newInstance().newTransformer(source);
            tf.setOutputProperty("encoding","GB2312");//解决中文问题
            ByteArrayOutputStream bos = new ByteArrayOutputStream();   
            tf.transform(new DOMSource(tradeDoc), new StreamResult(bos));
            outXml = bos.toString();
            System.out.println("通过传入的XML和xslt样式获得转出XML"+outXml);
        } catch (TransformerConfigurationException e) {   
            e.printStackTrace();   
        } catch (ParserConfigurationException e) {   
            e.printStackTrace();   
        } catch (SAXException e) {   
            e.printStackTrace();   
        } catch (IOException e) {   
            e.printStackTrace();   
        } catch (TransformerFactoryConfigurationError e) {   
            e.printStackTrace();   
        } catch (TransformerException e) {   
            e.printStackTrace();   
        } catch (Exception e){
            e.printStackTrace();
        }
        return outXml;   
    }   
     
    private org.w3c.dom.Document strToDocument(String xml) throws Exception {
        StringReader sr = new StringReader(xml);
        InputSource is = new InputSource(sr);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        org.w3c.dom.Document doc = builder.parse(is);
        return doc;
    }
/*  public static void main(String[] args) throws Exception{
        String xmlStr = "<?xml version='1.0' encoding='GB2312'?><data></data>";
        StringReader sr = new StringReader(xmlStr);
        InputSource is = new InputSource(sr);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder=factory.newDocumentBuilder();
        Document doc = builder.parse(is);
        String s = new DoXstl().generateXMLDOM(doc,"D:\\WorkSpace\\JAVA\\SEND.xslt");
    }*/
}