--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/shared/MapUtils.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,43 @@
+package org.dive4elements.river.client.shared;
+
+import java.util.Date;
+
+
+public class MapUtils {
+
+    public static final String GET_LEGEND_GRAPHIC_TEMPLATE =
+        "${SERVER}SERVICE=WMS&VERSION=1.1.1&layer=${LAYER}" +
+        "&REQUEST=getLegendGraphic&FORMAT=image/png";
+
+
+    private MapUtils() {
+    }
+
+    public static String getLegendGraphicUrl(String server, String layer) {
+        return getLegendGraphicUrl(server, layer, -1);
+    }
+
+    public static String getLegendGraphicUrl(String server, String layer, int dpi) {
+        if (server == null || layer == null) {
+            return null;
+        }
+
+        if (server.contains("osm.intevation.de")) {
+            // GetLegend is not implemented at osm.intevation.de
+            // This avoids an error in the print log
+            return null;
+        }
+        server = server.indexOf("?") >= 0 ? server : server + "?";
+
+        String url = GET_LEGEND_GRAPHIC_TEMPLATE;
+        url = url.replace("${SERVER}", server);
+        url = url.replace("${LAYER}", layer);
+        url = url + "&timestamp=" + new Date().getTime();
+        if (dpi != -1) {
+            url+="&legend_options=dpi:" + dpi;
+        }
+
+        return url;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :