source: osm/applications/editors/josm/plugins/smed2/src/seamap/SeaMap.java@ 29172

/* Copyright 2012 Malcolm Herring
 *
 * This is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * For a copy of the GNU General Public License, see <http://www.gnu.org/licenses/>.
 */

package seamap;

import java.util.ArrayList;
import java.util.EnumMap;
import java.util.HashMap;

import s57.S57att;
import s57.S57att.*;
import s57.S57obj;
import s57.S57obj.*;
import s57.S57val;
import s57.S57val.*;

public class SeaMap {

        public enum Fflag {
                UNKN, NODE, WAY, AREA
        }

        public class AttItem {
                Conv conv;
                Object val;

                AttItem(Conv iconv, Object ival) {
                        conv = iconv;
                        val = ival;
                }
        }

        public class Feature {
                public Fflag flag;
                public long refs;
                public Obj type;
                public EnumMap<Att, AttItem> atts;
                public EnumMap<Obj, HashMap<Integer, EnumMap<Att, AttItem>>> objs;

                Feature() {
                        flag = Fflag.UNKN;
                        refs = 0;
                        type = Obj.UNKOBJ;
                        atts = new EnumMap<Att, AttItem>(Att.class);
                        objs = new EnumMap<Obj, HashMap<Integer, EnumMap<Att, AttItem>>>(Obj.class);
                }
        }

        public class Coord {
                double lat;
                double lon;

                Coord(double ilat, double ilon) {
                        lat = ilat;
                        lon = ilon;
                }
        }

        public HashMap<Long, Coord> nodes;
        public HashMap<Long, ArrayList<Long>> ways;
        public HashMap<Long, ArrayList<Long>> mpolys;
        public EnumMap<Obj, ArrayList<Feature>> features;
        public double minlat;
        public double minlon;
        public double maxlat;
        public double maxlon;

        private Feature feature;
        private ArrayList<Long> list;

        public SeaMap() {
                nodes = new HashMap<Long, Coord>();
                ways = new HashMap<Long, ArrayList<Long>>();
                mpolys = new HashMap<Long, ArrayList<Long>>();
                feature = new Feature();
                features = new EnumMap<Obj, ArrayList<Feature>>(Obj.class);
        }

        public void addNode(long id, double lat, double lon) {
                nodes.put(id, new Coord(lat, lon));
                feature = new Feature();
                feature.refs = id;
                feature.flag = Fflag.NODE;
        }

        public void addWay(long id) {
                list = new ArrayList<Long>();
                ways.put(id, list);
                feature = new Feature();
                feature.refs = id;
                feature.flag = Fflag.WAY;
        }

        public void addMpoly(long id) {
                list = new ArrayList<Long>();
                mpolys.put(id, list);
        }

        public void addToWay(long node) {
                list.add(node);
        }

        public void addToMpoly(long way, boolean outer) {
                if (outer)
                        list.add(0, way);
                else
                        list.add(way);
        }

        public void tagsDone() {
                if (feature.type != Obj.UNKOBJ) {
                        if ((feature.flag == Fflag.WAY) && (list.size() > 0) && (list.get(0) == list.get(list.size() - 1))) {
                                feature.flag = Fflag.AREA;
                        }
                        if (features.get(feature.type) == null) {
                                features.put(feature.type, new ArrayList<Feature>());
                        }
                        features.get(feature.type).add(feature);
                }
        }

        public void addTag(String key, String val) {
                String subkeys[] = key.split(":");
                if ((subkeys.length > 1) && subkeys[0].equals("seamark")) {
                        Obj obj = S57obj.enumType(subkeys[1]);
                        if ((subkeys.length > 2) && (obj != Obj.UNKOBJ)) {
                                int idx = 0;
                                Att att = Att.UNKATT;
                                try {
                                        idx = Integer.parseInt(subkeys[2]);
                                        if (subkeys.length == 4) {
                                                att = s57.S57att.enumAttribute(subkeys[3], obj);
                                        }
                                } catch (Exception e) {
                                        att = S57att.enumAttribute(subkeys[2], obj);
                                }
                                HashMap<Integer, EnumMap<Att, AttItem>> items = feature.objs.get(obj);
                                if (items == null) {
                                        items = new HashMap<Integer, EnumMap<Att, AttItem>>();
                                        feature.objs.put(obj, items);
                                }
                                EnumMap<Att, AttItem> atts = items.get(idx);
                                if (atts == null) {
                                        atts = new EnumMap<Att, AttItem>(Att.class);
                                }
                                AttVal attval = S57val.convertValue(val, att);
                                if (attval.val != null) atts.put(att, new AttItem(attval.conv, attval.val));
                        } else {
                                if (subkeys[1].equals("type")) {
                                        feature.type = S57obj.enumType(val);
                                } else {
                                        Att att = S57att.enumAttribute(subkeys[1], Obj.UNKOBJ);
                                        if (att != Att.UNKATT) {
                                                AttVal attval = S57val.convertValue(val, att);
                                                if (attval.val != null) feature.atts.put(att, new AttItem(attval.conv, attval.val));
                                        }
                                }
                        }
                }
        }
}