--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/utils/ArtifactXMLUtilities.java	Thu Sep 10 13:11:24 2009 +0000
@@ -0,0 +1,101 @@
+/**
+ *
+ */
+package de.intevation.gnv.utils;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringBufferInputStream;
+import java.io.StringWriter;
+
+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.apache.log4j.Logger;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import de.intevation.artifacts.ArtifactNamespaceContext;
+import de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition;
+
+/**
+ * @author Tim Englich <tim.englich@intevation.de>
+ *
+ */
+public class ArtifactXMLUtilities {
+    /**
+     * the logger, used to log exceptions and additonaly information
+     */
+    private static Logger log = Logger.getLogger(TimeSeriesOutputTransition.class);
+  
+    /**
+     * Constructor
+     */
+    public ArtifactXMLUtilities() {
+    }
+    
+    /**
+     * @param document
+     * @return
+     */
+    public Element createArtifactElement(Document document, String name) {
+        Element node = document.createElementNS(ArtifactNamespaceContext.NAMESPACE_URI, name);
+        node.setPrefix(ArtifactNamespaceContext.NAMESPACE_PREFIX);
+        return node;
+    }
+    
+    public String writeDocument2String(Document document){
+        try {
+            TransformerFactory transformerFactory = TransformerFactory.newInstance();
+            Transformer transformer = transformerFactory.newTransformer();
+            DOMSource source = new DOMSource(document);
+            StringWriter sw = new StringWriter();
+            StreamResult result =  new StreamResult(sw);
+            transformer.transform(source, result);
+            return sw.getBuffer().toString();
+        } catch (TransformerConfigurationException e) {
+            log.error(e,e);
+        } catch (TransformerFactoryConfigurationError e) {
+            log.error(e,e);
+        } catch (TransformerException e) {
+            log.error(e,e);
+        }
+        return null;
+    }
+    
+    public Document readDocument(InputStream inputStream){
+        Document returnValue = null;
+        try {
+            DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
+            returnValue = docBuilder.parse (inputStream);
+        } catch (ParserConfigurationException e) {
+            log.error(e,e);
+        } catch (SAXException e) {
+            log.error(e,e);
+        } catch (IOException e) {
+            log.error(e,e);
+        }
+        return returnValue;
+    }
+    
+    public Document reInitDocument(Document document){
+        
+        StringBufferInputStream inputStream = new StringBufferInputStream(this.writeDocument2String(document));
+        return this.readDocument(inputStream);
+    }
+    
+    
+    
+
+}