view flys-client/src/main/java/de/intevation/flys/client/shared/MapUtils.java @ 5774:496c8c9d4913

issue1260, issue1259: Improve multi-gauge w/q input.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 19 Apr 2013 12:44:55 +0200
parents f8409fbe3b88
children
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package de.intevation.flys.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;
    }
}
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