source: osm/applications/editors/josm/plugins/mappaint/src/mappaint/ElemStyles.java@ 3590

package mappaint;

import java.util.HashMap;
import java.util.Iterator;

import org.openstreetmap.josm.data.osm.OsmPrimitive;
public class ElemStyles
{
        HashMap<String, ElemStyle> styles;

        public ElemStyles()
        {
                styles = new HashMap<String, ElemStyle>();
        }

        public void add (String k, String v, ElemStyle style)
        {
                String key = k + "=" + v;
                
                /* unfortunately, there don't seem to be an efficient way to */
                /* find out, if a given OsmPrimitive is an area or not, */
                /* so distinguish only between way and node here - for now */
                if(style instanceof AreaElemStyle) {
                        key = key + "way";
                }
                else if(style instanceof LineElemStyle) {
                        key = key + "way";
                }
                else if(style instanceof IconElemStyle) {
                        key = key + "node";
                }
                styles.put(key, style);
        }

        public ElemStyle getStyle (OsmPrimitive p)
        {
                if(p.keys!=null)
                {
                        String classname;
                        
                        if(p instanceof org.openstreetmap.josm.data.osm.Node) {
                                classname = "node";
                        } else {
                                classname = "way";
                        }
                        Iterator<String> iterator = p.keys.keySet().iterator();
                        while(iterator.hasNext())       
                        {
                                String key = iterator.next();
                                String kv = key + "=" + p.keys.get(key) + classname;
                                if(styles.containsKey(kv))
                                {
                                        return styles.get(kv);
                                }
                        }
                }
                return null;
        }

        public boolean isArea(OsmPrimitive p)
        {
                return getStyle(p) instanceof AreaElemStyle;
        }
}