teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.shared;
ingo@1328: 
ingo@2440: import java.util.Date;
ingo@2440: 
ingo@1328: 
ingo@1328: public class MapUtils {
ingo@1328: 
ingo@1328:     public static final String GET_LEGEND_GRAPHIC_TEMPLATE =
ingo@1328:         "${SERVER}SERVICE=WMS&VERSION=1.1.1&layer=${LAYER}" +
ingo@1328:         "&REQUEST=getLegendGraphic&FORMAT=image/png";
ingo@1328: 
ingo@1328: 
ingo@1328:     private MapUtils() {
ingo@1328:     }
ingo@1328: 
aheinecke@5676:     public static String getLegendGraphicUrl(String server, String layer) {
aheinecke@5676:         return getLegendGraphicUrl(server, layer, -1);
aheinecke@5676:     }
ingo@1328: 
aheinecke@5676:     public static String getLegendGraphicUrl(String server, String layer, int dpi) {
ingo@1328:         if (server == null || layer == null) {
ingo@1328:             return null;
ingo@1328:         }
ingo@1328: 
aheinecke@5676:         if (server.contains("osm.intevation.de")) {
aheinecke@5676:             // GetLegend is not implemented at osm.intevation.de
aheinecke@5676:             // This avoids an error in the print log
aheinecke@5676:             return null;
aheinecke@5676:         }
ingo@1328:         server = server.indexOf("?") >= 0 ? server : server + "?";
ingo@1328: 
ingo@1328:         String url = GET_LEGEND_GRAPHIC_TEMPLATE;
ingo@1328:         url = url.replace("${SERVER}", server);
ingo@1328:         url = url.replace("${LAYER}", layer);
ingo@2440:         url = url + "&timestamp=" + new Date().getTime();
aheinecke@5676:         if (dpi != -1) {
aheinecke@5676:             url+="&legend_options=dpi:" + dpi;
aheinecke@5676:         }
ingo@1328: 
ingo@1328:         return url;
ingo@1328:     }
aheinecke@6384: 
aheinecke@6384: 
aheinecke@6384:     public static String toJavaEncodedString(String str) {
aheinecke@6384:         if (str == null) {
aheinecke@6384:             return null;
aheinecke@6384:         }
aheinecke@6384:         StringBuilder sb = new StringBuilder();
aheinecke@6384:         for (int i = 0, len = str.length(); i < len; i++) {
aheinecke@6384:             int unipoint = Character.codePointAt(str, i);
aheinecke@6384:             if ((unipoint < 32) || (unipoint > 127)) {
aheinecke@6384:                 sb.append("\\u");
aheinecke@6384:                 sb.append(Integer.toHexString((unipoint >> 3*4) & 0xf));
aheinecke@6384:                 sb.append(Integer.toHexString((unipoint >> 2*4) & 0xf));
aheinecke@6384:                 sb.append(Integer.toHexString((unipoint >> 1*4) & 0xf));
aheinecke@6384:                 sb.append(Integer.toHexString((unipoint >> 0*4) & 0xf));
aheinecke@6384:             } else {
aheinecke@6384:                 sb.append(str.charAt(i));
aheinecke@6384:             }
aheinecke@6384:         }
aheinecke@6384:         return sb.toString();
aheinecke@6384:     }
ingo@1328: }
ingo@1328: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :