--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java/de/intevation/mxd/utils/MapToXMLUtils.java	Mon Apr 11 16:04:03 2011 +0200
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2010 by Intevation GmbH
+ *
+ * This program is free software under the LGPL (>=v2.1)
+ * Read the file LGPL.txt coming with the software for details
+ * or visit http://www.gnu.org/licenses/ if it does not exist.
+ */
+package de.intevation.mxd.utils;
+
+import org.apache.log4j.Logger;
+
+import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+
+/**
+ * Utility class to store map information in a XML structure.
+ *
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class MapToXMLUtils
+{
+    private Document root;
+    private XMLUtils.ElementCreator creator;
+
+    public MapToXMLUtils() {
+        this.root = XMLUtils.newDocument();
+        creator = new XMLUtils.ElementCreator(root, "", "");
+    }
+
+    /**
+     * Create the top level map element.
+     *
+     * @return The new map element.
+     */
+    public Element createMap()
+    throws Exception {
+        Element map;
+        NodeList list = root.getElementsByTagName("map");
+        if(list == null || list.getLength() == 0){
+            map = creator.create("map");
+            root.appendChild(map);
+        }
+        else if(list.getLength() == 1){
+            map = (Element)list.item(0);
+        }
+        else{
+            throw new Exception("Error while creating map node.");
+        }
+        return map;
+    }
+
+    /**
+     * Add a layer element to the map.
+     * @param name The layer name.
+     * @return The layer element.
+     */
+    public Element addLayer()
+    throws Exception {
+        Element node = creator.create("layer");
+        NodeList list = root.getElementsByTagName("map");
+        if(list == null || list.getLength() == 0){
+            throw new Exception("No map node found!");
+        }
+        else if(list.getLength() > 1) {
+            throw new Exception("Found more than one map node." +
+                                " This should never happen!");
+        }
+        else {
+            list.item(0).appendChild(node);
+            return node;
+        }
+    }
+
+    /**
+     * Add a renderer element to the map.
+     * @param layer The parent layer element.
+     * @return The renderer element.
+     */
+    public Element addRenderer(Element layer) {
+        Element node = creator.create("renderer");
+        layer.appendChild(node);
+        return node;
+    }
+
+    /**
+     * Add a symbol element to the map.
+     * @param renderer The parent renderer element.
+     * @return The symbol element.
+     */
+    public Element addSymbol(Element renderer) {
+        Element node = creator.create("symbol");
+        renderer.appendChild(node);
+        return node;
+    }
+
+    /**
+     * Print out the XML document.
+     */
+    public void print() {
+        XMLUtils.toStream(root, System.out);
+    }
+}