From 1626ac9867cd5406b83e73651080e33c11fb98d1 Mon Sep 17 00:00:00 2001
From: kstranacher_eGovL
 <kstranacher_eGovL@d688527b-c9ab-4aba-bd8d-4036d912da1d>
Date: Thu, 12 Jul 2012 11:27:13 +0000
Subject: Integration of STORK

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@1285 d688527b-c9ab-4aba-bd8d-4036d912da1d
---
 .../java/eu/stork/vidp/messages/util/XMLUtil.java  | 143 +++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 id/server/stork-saml-engine/src/main/java/eu/stork/vidp/messages/util/XMLUtil.java

(limited to 'id/server/stork-saml-engine/src/main/java/eu/stork/vidp/messages/util/XMLUtil.java')

diff --git a/id/server/stork-saml-engine/src/main/java/eu/stork/vidp/messages/util/XMLUtil.java b/id/server/stork-saml-engine/src/main/java/eu/stork/vidp/messages/util/XMLUtil.java
new file mode 100644
index 000000000..3ca38ec03
--- /dev/null
+++ b/id/server/stork-saml-engine/src/main/java/eu/stork/vidp/messages/util/XMLUtil.java
@@ -0,0 +1,143 @@
+/**
+ * 
+ */
+package eu.stork.vidp.messages.util;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+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.Result;
+import javax.xml.transform.Source;
+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.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+/**
+ * Helper class for XML processing
+ * @author bzwattendorfer
+ *
+ */
+public class XMLUtil {
+	
+	/**
+	 * Transforms a string representation to a DOM representation
+	 * @param xmlString XML as string
+	 * @return DOM representation of String
+	 * @throws ParserConfigurationException
+	 * @throws SAXException
+	 * @throws IOException
+	 */
+	public static Element stringToDOM(String xmlString) throws ParserConfigurationException, SAXException, IOException {
+		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+		dbf.setNamespaceAware(true);
+	   
+	    DocumentBuilder builder = dbf.newDocumentBuilder();
+		
+		Reader reader = new StringReader(xmlString);
+		InputSource src = new InputSource(reader);
+		Document domDoc = builder.parse(src);
+		return domDoc.getDocumentElement();
+	}
+   
+	/**
+	 * Creates a new and empty XML document
+	 * @return New XML document
+	 * @throws ParserConfigurationException
+	 */
+   public static Document createNewDocument() throws ParserConfigurationException {
+	   DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+		dbf.setNamespaceAware(true);
+	   
+	    DocumentBuilder builder = dbf.newDocumentBuilder();
+	    return builder.newDocument();
+   }
+   
+   /**
+    * Transforms an XML to a String
+    * @param node XML node
+    * @return String represenation of XML
+    */
+   public static String printXML(Node node) {
+        TransformerFactory tfactory = TransformerFactory.newInstance();
+        Transformer serializer;
+        try {
+            serializer = tfactory.newTransformer();
+            
+            serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+            serializer.setOutputProperty(OutputKeys.ENCODING,"UTF-8");
+            
+            StringWriter output = new StringWriter();
+            serializer.transform(new DOMSource(node), new StreamResult(output));
+            return output.toString();
+        } catch (TransformerException e) {
+            
+            throw new RuntimeException(e);
+        }
+    }
+	
+   /**
+    * Writes an XML element to a given file
+    * @param doc XML element
+    * @param filename Filename of the file where to write XML
+    */
+	public static void writeXmlFile(Element doc, String filename) { 
+		try { 
+			 
+			Source source = new DOMSource(doc); 				
+			File file = new File(filename); 
+			Result result = new StreamResult(file); 
+
+			Transformer xformer = TransformerFactory.newInstance().newTransformer(); 
+			xformer.transform(source, result); 
+			} catch (Exception e) { 
+				throw new RuntimeException(e);
+			}  
+	} 
+	
+	/**
+	 * Gets the first text value of a NodeList
+	 * @param nList NodeList
+	 * @return first text value of a NodeList
+	 */
+	public static String getFirstTextValueFromNodeList(NodeList nList) {
+		if (nList != null && nList.getLength() != 0) {
+			return nList.item(0).getTextContent();
+		}
+		return null;
+	}
+	
+	/**
+	 * Gets the first element of a Node
+	 * @param parent Node
+	 * @return first element of a Node
+	 */
+	public static Element getFirstElement(Node parent) {
+	    Node n = parent.getFirstChild();
+	    while (n != null &&  n.getNodeType() !=  Node.ELEMENT_NODE) {
+	        n = n.getNextSibling();
+	    }
+	    if (n == null) {
+	        return null;
+	    }
+	    return (Element)n;
+	}
+	
+
+
+}
-- 
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