source: osm/applications/editors/josm/plugins/seachart/josmtos57/src/josmtos57/Josmtos57.java@ 32368

/* Copyright 2015 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 josmtos57;

import java.io.*;
import java.util.*;
import java.util.zip.CRC32;

import s57.S57dat;
import s57.S57enc;
import s57.S57map;
import s57.S57osm;
import s57.S57dat.*;

public class Josmtos57 {

        // http://opendatacommons.org/licenses/odbl/1-0/
        
        /*
        URL website = new URL("http://www.website.com/information.asp");
        try (InputStream in = website.openStream()) { Files.copy(in, target, StandardCopyOption.REPLACE_EXISTING); }
         */
        
        /*
         * To do:
         * 1. Geometry truncation at cell boundary.
         * 2. Geometry validation/correction to comply with S57 limitations.
         * 3. Improvements in mapping of OSM features to S57 objects.
         */

        static byte[] header = {
                '0', '0', '2', '6', '2', '3', 'L', 'E', '1', ' ', '0', '9', '0', '0', '0', '7', '3', ' ', ' ', ' ', '6', '6', '0', '4', '0', '0', '0', '0', '0', '0', '0', '0',
                '1', '9', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '4', '8', '0', '0', '0', '0', '1', '9', 'C', 'A', 'T', 'D', '0', '0', '0', '1',
                '2', '2', '0', '0', '0', '0', '6', '7', 0x1e, '0', '0', '0', '0', ';', '&', ' ', ' ', ' ', 0x1f, '0', '0', '0', '1', 'C', 'A', 'T', 'D', 0x1e, '0', '1', '0', '0',
                ';', '&', ' ', ' ', ' ', 'I', 'S', 'O', '/', 'I', 'E', 'C', ' ', '8', '2', '1', '1', ' ', 'R', 'e', 'c', 'o', 'r', 'd', ' ', 'I', 'd', 'e', 'n', 't', 'i', 'f',
                'i', 'e', 'r', 0x1f, 0x1f, '(', 'I', '(', '5', ')', ')', 0x1e, '1', '6', '0', '0', ';', '&', ' ', ' ', ' ', 'C', 'a', 't', 'a', 'l', 'o', 'g', 'u', 'e', ' ', 'D',
                'i', 'r', 'e', 'c', 't', 'o', 'r', 'y', ' ', 'F', 'i', 'e', 'l', 'd', 0x1f, 'R', 'C', 'N', 'M', '!', 'R', 'C', 'I', 'D', '!', 'F', 'I', 'L', 'E', '!', 'L', 'F',
                'I', 'L', '!', 'V', 'O', 'L', 'M', '!', 'I', 'M', 'P', 'L', '!', 'S', 'L', 'A', 'T', '!', 'W', 'L', 'O', 'N', '!', 'N', 'L', 'A', 'T', '!', 'E', 'L', 'O', 'N',
                '!', 'C', 'R', 'C', 'S', '!', 'C', 'O', 'M', 'T', 0x1f, '(', 'A', '(', '2', ')', ',', 'I', '(', '1', '0', ')', ',', '3', 'A', ',', 'A', '(', '3', ')', ',', '4',
                'R', ',', '2', 'A', ')', 0x1e, 
                '0', '0', '1', '0', '1', ' ', 'D', ' ', ' ', ' ', ' ', ' ', '0', '0', '0', '5', '3', ' ', ' ', ' ', '5', '5', '0', '4',
                '0', '0', '0', '1', '0', '0', '0', '0', '6', '0', '0', '0', '0', '0',   'C', 'A', 'T', 'D', '0', '0', '0', '4', '2', '0', '0', '0', '0', '6', 0x1e,
                '0', '0', '0', '0', '0', 0x1e, 'C', 'D', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', 'C', 'A', 'T', 'A', 'L', 'O', 'G', '.', '0', '3', '1', 0x1f,
                0x1f, 'V', '0', '1', 'X', '0', '1', 0x1f, 'A', 'S', 'C', 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1e
        };
        
        static BufferedReader in;
        static FileOutputStream out;
        static S57map map;
        static byte[] buf;
        static HashMap<String, String> meta;
        static ArrayList<Fparams> fields;
        static byte[] record;
        
        public static void main(String[] args) throws IOException {

                map = new S57map(false);
                int idx = 0;
                
                if (args.length < 4) {
                        System.err.println("Usage: java -jar josmtos57.jar OSM_filename meta_data_filename S57_ENC_ROOT_directory S57_filename");
                        System.exit(-1);
                }
                try {
                        Scanner min = new Scanner(new FileInputStream(args[1]));
                        meta = new HashMap<>();
                        meta.put("FILE", args[3]);
                        while (min.hasNext()) {
                                String[] tokens = min.next().split("=");
                                if (tokens.length >= 2)
                                        meta.put(tokens[0], tokens[1].split("[ #]")[0]);
                        }
                        min.close();
                } catch (IOException e) {
                        System.err.println("Meta data file: " + e.getMessage());
                        System.exit(-1);
                }
                try {
                        in = new BufferedReader(new FileReader(new File(args[0])));
                        try {
                                S57osm.OSMmap(in, map, true);
                        } catch (Exception e) {
                                System.err.println("Input data error");
                                System.exit(-1);
                        }
                        in.close();
                } catch (IOException e) {
                        System.err.println("Input file: " + e.getMessage());
                        System.exit(-1);
                }
                
                try {
                        buf = new byte[5242880];
                        idx = S57enc.encodeChart(map, meta, buf);
                } catch (IndexOutOfBoundsException e) {
                        System.err.println("Output file too big (limit 5 MB) - try smaller areas");
                        System.exit(-1);
                } catch (UnsupportedEncodingException e) {
                        System.err.println("Input data error" + e.getMessage());
                        System.exit(-1);
                }
                
                CRC32 crc = new CRC32();
                crc.update(buf, 0, idx);
                try {
                        File file = new File(args[2] + args[3]);
                        if (file.exists()) file.delete();
                        out = new FileOutputStream(file, false);
                        out.write(buf, 0, idx);
                } catch (IOException e) {
                        System.err.println("Output file: " + e.getMessage());
                        System.exit(-1);
                }
                out.close();
                
                buf = new byte[header.length];
                System.arraycopy(header, 0, buf, 0, header.length);
                idx = header.length;
                int recs = 2;
                fields = new ArrayList<>();
                fields.add(new Fparams(S57field.CATD, new Object[]{ "CD", recs, args[3], "", "V01X01", "BIN", Math.toDegrees(map.bounds.minlat),
                                Math.toDegrees(map.bounds.minlon), Math.toDegrees(map.bounds.maxlat), Math.toDegrees(map.bounds.maxlon), String.format("%08X", crc.getValue()), "" }));
                record = S57dat.encRecord(String.valueOf(recs++), fields);
                buf = Arrays.copyOf(buf, (buf.length + record.length));
                System.arraycopy(record, 0, buf, idx, record.length);
                idx += record.length;

                try {
                        File file = new File(args[2] + "CATALOG.031");
                        if (file.exists()) file.delete();
                        out = new FileOutputStream(file, false);
                        out.write(buf, 0, idx);
                } catch (IOException e) {
                        System.err.println("Catalogue file: " + e.getMessage());
                        System.exit(-1);
                }
                out.close();

//              String[] dir = (new File(args[2]).list());
//              for (String item : dir) {
//                      System.err.println(item);
//              }
                
                System.err.println("Finished");
        }

}