Subversion Repositories mkgmap

/*
 * Copyright (C) 2007 Steve Ratcliffe
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License 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.
 *
 *
 * Author: Steve Ratcliffe
 * Create date: Dec 19, 2007
 */
package uk.me.parabola.imgfmt.mps;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import uk.me.parabola.imgfmt.fs.ImgChannel;

/**
 * This file is a description of the map set that is loaded into the
 * gmapsupp.img file and an index of the maps that it contains.
 *
 * It is different than all the other files that fit inside the gmapsupp file
 * in that it doesn't contain the common header.  So it does not extend ImgFile.
 *
 * @author Steve Ratcliffe
 */
public class MpsFile {
        private String mapsetName = "OSM map set";

        private final Set<ProductBlock> products = new HashSet<ProductBlock>();
        private final List<MapBlock> maps = new ArrayList<MapBlock>();

        private final ImgChannel chan;

        public MpsFile(ImgChannel chan) {
                this.chan = chan;
        }

        public void sync() throws IOException {
                for (MapBlock map : maps)
                        map.write(chan);

                for (ProductBlock block : products)
                        block.write(chan);

                MapsetBlock mapset = new MapsetBlock();
                mapset.setName(mapsetName);
                mapset.write(chan);
        }

        public void addMap(MapBlock map) {
                maps.add(map);
        }

        public void addProduct(ProductBlock pb) {
                products.add(pb);
        }

        public void setMapsetName(String mapsetName) {
                this.mapsetName = mapsetName;
        }

        public void close() throws IOException {
                chan.close();
        }
}