Java Tutorial/XML/XML Writer

Write DOM out

   <source lang="java">

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import java.io.IOException; import java.io.OutputStream; import javax.xml.transform.OutputKeys; import javax.xml.transform.Result; import javax.xml.transform.Source; import javax.xml.transform.Transformer; 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.w3c.dom.DocumentType; /**

* Utility class collecting library methods related to XML processing. Stolen
* from nbbuild/antsrc and openide/.../xml.
* 
* @author Petr Kuzel, Jesse Glick
*/

public final class XMLUtil {

 public static void write(Document doc, OutputStream out) throws IOException {
   // XXX note that this may fail to write out namespaces correctly if the
   // document
   // is created with namespaces and no explicit prefixes; however no code in
   // this package is likely to be doing so
   try {
     Transformer t = TransformerFactory.newInstance().newTransformer();
     DocumentType dt = doc.getDoctype();
     if (dt != null) {
       String pub = dt.getPublicId();
       if (pub != null) {
         t.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, pub);
       }
       t.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, dt.getSystemId());
     }
     t.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); // NOI18N
     t.setOutputProperty(OutputKeys.INDENT, "yes"); // NOI18N
     t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4"); // NOI18N
     Source source = new DOMSource(doc);
     Result result = new StreamResult(out);
     t.transform(source, result);
   } catch (Exception e) {
     throw (IOException) new IOException(e.toString()).initCause(e);
   } catch (TransformerFactoryConfigurationError e) {
     throw (IOException) new IOException(e.toString()).initCause(e);
   }
 }

}</source>

Write Xml (Node n, OutputStream os)

   <source lang="java">

/**

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* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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* software distributed under the License is distributed on an
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*/

import java.io.OutputStream; import javax.xml.transform.OutputKeys; import javax.xml.transform.Transformer; 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.Node; /**

* Few simple utils to read DOM. This is originally from the Jakarta Commons
* Modeler.
* 
* @author Costin Manolache
*/

public class Utils {

 public static void writeXml(Node n, OutputStream os) throws TransformerException {
   TransformerFactory tf = TransformerFactory.newInstance();
   // identity
   Transformer t = tf.newTransformer();
   t.setOutputProperty(OutputKeys.INDENT, "yes");
   t.transform(new DOMSource(n), new StreamResult(os));

} }</source>