--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/server/MapHelper.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,91 @@
+package de.intevation.flys.client.server;
+
+import org.w3c.dom.Document;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.artifacts.common.ArtifactNamespaceContext;
+import de.intevation.artifacts.common.utils.XMLUtils;
+
+import de.intevation.flys.client.shared.model.MapConfig;
+
+
+public class MapHelper {
+
+    private static final Logger logger = Logger.getLogger(MapHelper.class);
+
+
+    public static final String XPATH_SRID =
+        "/art:floodmap/art:srid/text()";
+
+    public static final String XPATH_MAX_EXTENT =
+        "/art:floodmap/art:maxExtent/text()";
+
+    public static final String XPATH_INITIAL_EXTENT =
+        "/art:floodmap/art:initialExtent/text()";
+
+
+    private MapHelper() {
+    }
+
+
+    public static MapConfig parseConfig(Document raw) {
+        logger.debug("MapHelper.parseConfig");
+
+        if (logger.isDebugEnabled()) {
+            logger.debug(XMLUtils.toString(raw));
+        }
+
+        MapConfig config = new MapConfig();
+
+        setSrid(config, raw);
+        setMaxExtent(config, raw);
+        setInitialExtent(config, raw);
+
+        return config;
+    }
+
+
+    protected static void setSrid(MapConfig config, Document raw) {
+        String srid = (String) XMLUtils.xpathString(
+            raw,
+            XPATH_SRID,
+            ArtifactNamespaceContext.INSTANCE);
+
+        logger.debug("Found srid: '" + srid + "'");
+
+        if (srid != null && srid.length() > 0) {
+            logger.debug("Set srid: '" + srid + "'");
+            config.setSrid(srid);
+        }
+    }
+
+
+    protected static void setMaxExtent(MapConfig config, Document raw) {
+        String maxExtent = (String) XMLUtils.xpathString(
+            raw,
+            XPATH_MAX_EXTENT,
+            ArtifactNamespaceContext.INSTANCE);
+
+        logger.debug("Found max extent: '" + maxExtent + "'");
+
+        if (maxExtent != null && maxExtent.length() > 0) {
+            logger.debug("Set max extent: '" + maxExtent + "'");
+            config.setMaxExtent(maxExtent);
+        }
+    }
+
+
+    protected static void setInitialExtent(MapConfig config, Document raw) {
+        String initialExtent = (String) XMLUtils.xpathString(
+            raw,
+            XPATH_INITIAL_EXTENT,
+            ArtifactNamespaceContext.INSTANCE);
+
+        if (initialExtent != null && initialExtent.length() > 0) {
+            logger.debug("Set initial extent: '" + initialExtent + "'");
+            config.setInitialExtent(initialExtent);
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :