Add two utility toString functions to DOMUtils

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1244 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

1 files changed, 49 insertions, 7 deletions

diff --git a/utils/src/main/java/at/gv/egiz/dom/DOMUtils.java b/utils/src/main/java/at/gv/egiz/dom/DOMUtils.java
index 20f4199f..eae8f05e 100644
--- a/utils/src/main/java/at/gv/egiz/dom/DOMUtils.java
+++ b/utils/src/main/java/at/gv/egiz/dom/DOMUtils.java
@@ -29,28 +29,40 @@ import iaik.utils.Base64OutputStream;
 import java.io.ByteArrayOutputStream;

 import java.io.IOException;

 import java.io.InputStream;

+import java.io.StringWriter;
 

 import javax.xml.parsers.DocumentBuilder;

 import javax.xml.parsers.DocumentBuilderFactory;

 import javax.xml.parsers.ParserConfigurationException;

+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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;

+import org.w3c.dom.Node;
 import org.w3c.dom.Text;

 import org.w3c.dom.bootstrap.DOMImplementationRegistry;

 import org.w3c.dom.ls.DOMImplementationLS;

-

+
 public final class DOMUtils {

 

   /**

    * DOM Implementation.

    */

   private static String DOM_LS_3_0 = "LS 3.0";

-  

+

   private static DOMImplementationLS domImplLS;

-  

+
+  private final static Logger log = LoggerFactory.getLogger(DOMUtils.class);
+

   private DOMUtils() {

   }

-  

+

   private static synchronized void ensureDOMImplementation() {

     

     if (domImplLS == null) {

@@ -79,7 +91,7 @@ public final class DOMUtils {
     

     return domImplLS;

   }

-  

+

   public static Document createDocument() {

     

     // This does not work with the Xerces-J version (2.6.2) included in Java 6

@@ -95,7 +107,37 @@ public final class DOMUtils {
     return db.newDocument();

        

   }

-  

+
+  public static String documentToString(Document doc) {
+    StringWriter sw = new StringWriter();
+    try {
+      TransformerFactory tf = TransformerFactory.newInstance();
+      Transformer transformer = tf.newTransformer();
+      transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
+      transformer.setOutputProperty(OutputKeys.METHOD, "xml");
+      transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+      transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
+
+      transformer.transform(new DOMSource(doc), new StreamResult(sw));
+    } catch (TransformerException ex) {
+      log.error("documentToString Transformer Exception");
+    }
+    return sw.toString();
+  }
+
+  public static String nodeToString(Node node) {
+    StringWriter sw = new StringWriter();
+    try {
+      Transformer t = TransformerFactory.newInstance().newTransformer();
+      t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+      t.setOutputProperty(OutputKeys.INDENT, "yes");
+      t.transform(new DOMSource(node), new StreamResult(sw));
+    } catch (TransformerException te) {
+      log.error("nodeToString Transformer Exception");
+    }
+    return sw.toString();
+  }
+

   public static Text createBase64Text(byte[] bytes, Document doc) throws IOException {

     

     ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

@@ -105,7 +147,7 @@ public final class DOMUtils {
     return doc.createTextNode(outputStream.toString("ASCII"));

     

   }

-  

+

   public static Text createBase64Text(InputStream bytes, Document doc) throws IOException {

     

     ByteArrayOutputStream outputStream = new ByteArrayOutputStream();