javax.xml.transform.Transformer#reset ( )源码实例Demo

private void writeXhtml(java.lang.String elementName, Xhtml xhtml) {
    try {
        Transformer transformer = THREAD_LOCAL_TRANSFORMER.get();
        transformer.reset();
        transformer.transform(new StreamSource(new StringReader(xhtml.getValue())), new StAXResult(createNonClosingStreamWriterDelegate(writer)));
    } catch (TransformerException e) {
        throw new RuntimeException(e);
    }
}
 

/**
 * MODS -> DC transformer.
 * 
 * @param model fedora object model
 * @return transformer
 * @throws TransformerConfigurationException 
 */
public static Transformer modsTransformer(String model) throws TransformerConfigurationException {
    Transformer t = defaultModsTransformer.get();
    if (t == null) {
        t = MODS2DC.newTransformer();
        defaultModsTransformer.set(t);
    } else {
        t.reset();
    }
    t.setParameter("MODEL", model);
    return t;
}
 

public static void transform(Source source, Result destination) {
  Transformer transformer = getTransformer();
  try {
    transformer.transform(source, destination);
  } catch (Exception e) {
    throw new RuntimeException(e);
  } finally {
    transformer.reset();
  }
}
 

public static void identityTransform(Document source, File destination) throws XmlException {
  try (FileWriter writer = new FileWriter(destination, false)) {
    Transformer transformer = getTransformer();
    try {
      transformer.setOutputProperty(OutputKeys.INDENT, "yes");
      transformer.transform(new DOMSource(source), new StreamResult(writer));
    } finally {
      transformer.reset();
    }
  } catch (Exception e) {
    throw new XmlException(e);
  }
}
 

private boolean execute(List<String> args) throws Exception{
    File responseFile = getFile(args, ">");

    HttpURLConnection con = prepare(args);
    if(con==null)
        return false;

    if(con.getResponseCode()==401){ // Unauthorized
        if(authenticate(con))
            return execute(args);
        else
            return false;
    }
    Ansi result = con.getResponseCode()/100==2 ? SUCCESS : FAILURE;
    result.outln(con.getResponseCode()+" "+con.getResponseMessage());
    System.out.println();

    boolean success = true;
    InputStream in = con.getErrorStream();
    if(in==null)
        in = con.getInputStream();
    else
        success = false;

    PushbackInputStream pin = new PushbackInputStream(in);
    int data = pin.read();
    if(data==-1){
        if(responseFile!=null)
            responseFile.delete();
        return success;
    }
    pin.unread(data);
    if(success && responseFile!=null){
        IOUtil.pump(pin, new FileOutputStream(responseFile), true, true);
        return true;
    }

    String contentType = con.getContentType();
    if(Util.isXML(contentType)){
        PrintStream sysErr = System.err;
        System.setErr(new PrintStream(new ByteArrayOutputStream()));
        try {
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer transformer = factory.newTransformer();
            transformer.transform(new StreamSource(pin), new SAXResult(new AnsiHandler()));
            transformer.reset();
            return success;
        } catch (Exception ex) {
            sysErr.println("response is not valid xml: "+ex.getMessage());
            return false;
        } finally {
            System.setErr(sysErr);
        }
    }
    if(Util.isPlain(contentType) || Util.isJSON(contentType) || Util.isHTML(contentType)){
        IOUtil.pump(pin, System.out, true, false);
        System.out.println();
    }else{
        File temp = File.createTempFile("attachment", "."+Util.getExtension(contentType), FileUtil.USER_DIR);
        IOUtil.pump(pin, new FileOutputStream(temp), true, true);
        System.out.println("response saved to "+temp.getAbsolutePath());
    }
    return success;
}