Subversion Repositories mkgmap

/*
 * Copyright (C) 2011 - 2012.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 or
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

package uk.me.parabola.mkgmap.reader.osm;

import java.util.List;

import uk.me.parabola.mkgmap.build.LocatorUtil;
import uk.me.parabola.mkgmap.osmstyle.StyleImpl;
import uk.me.parabola.util.EnhancedProperties;

/**
 * This hook applies the relation rules of the style system.
 * @author WanMil
 */
public class RelationStyleHook extends OsmReadingHooksAdaptor {

        private Style style;
        private ElementSaver saver;
        List<String> nameTagList;

        public RelationStyleHook() {
        }

        public boolean init(ElementSaver saver, EnhancedProperties props) {
                this.saver = saver;
                nameTagList = LocatorUtil.getNameTags(props);
                return super.init(saver, props);
        }

        public void setStyle(Style style){
                this.style = style;
        }
       
        public void end() {
                Rule relationRules = style.getRelationRules();
                for (Relation rel : saver.getRelations().values()) {
                        if (nameTagList != null){
                                for (String t : nameTagList) {
                                        String val = rel.getTag(t);
                                        if (val != null) {
                                                rel.addTag("name", val);
                                                break;
                                        }
                                }
                        }                      
                        relationRules.resolveType(rel, TypeResult.NULL_RESULT);
                        if (rel instanceof RestrictionRelation){
                                ((RestrictionRelation) rel).eval(saver.getBoundingBox());
                        }
                }
                super.end();
        }

       
       
}