Subversion Repositories splitter

/*
 * Copyright (c) 2012, Gerd Petermann
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 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.splitter.writer;

import java.awt.Rectangle;
import java.io.File;
import java.io.IOException;

import uk.me.parabola.splitter.Area;
import uk.me.parabola.splitter.Element;
import uk.me.parabola.splitter.Node;
import uk.me.parabola.splitter.Relation;
import uk.me.parabola.splitter.Utils;
import uk.me.parabola.splitter.Way;

public abstract class AbstractOSMWriter implements OSMWriter{
        public static final int REMOVE_VERSION = 1;
        public static final int FAKE_VERSION = 2;
        public static final int KEEP_VERSION = 3;
        protected final Area bounds;
        protected final Area extendedBounds;
        protected final File outputDir;
        protected final int mapId;
        protected final Rectangle bbox;
        protected int versionMethod;
       

        protected AbstractOSMWriter(Area bounds, File outputDir, int mapId, int extra) {
                this.mapId = mapId;
                this.bounds = bounds;
                this.outputDir = outputDir;
                extendedBounds = new Area(bounds.getMinLat() - extra,
                                bounds.getMinLong() - extra,
                                bounds.getMaxLat() + extra,
                                bounds.getMaxLong() + extra);
                this.bbox = Utils.area2Rectangle(bounds, 1);
        }

        public void setVersionMethod (int versionMethod){
                this.versionMethod = versionMethod;
        }
       
        protected int getWriteVersion (Element el){
                if (versionMethod == REMOVE_VERSION)
                        return 0;
                if (versionMethod == FAKE_VERSION)
                        return 1;
                // XXX maybe return 1 if no version was read ?
                return el.getVersion();

        }
       
        @Override
        public Area getBounds() {
                return bounds;
        }
       
        @Override
        public Area getExtendedBounds() {
                return extendedBounds;
        }
        @Override
        public int getMapId(){
                return mapId;
        }
       
        @Override
        public Rectangle getBBox(){
                return bbox;
        }
       
        @Override
        public void write (Element element) throws IOException {
                if (element instanceof Node) {
                        write((Node) element);
                } else if (element instanceof Way) {
                        write((Way) element);
                } else if (element instanceof Relation) {
                        write((Relation) element);
                }
        }
}