Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/tim/TIMParser.java @ 4735:94b39073f0f7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Moved EpsilonComparator to utils package becaus its not only useful for TIM parsing. Used EpsilonComparator in DA60 and DA66 case. Maybe TODO: Use in PRF, too.
author Sascha L. Teichmann <teichmann@intevation.de>
date Tue, 01 Jan 2013 13:54:08 +0100
parents 7d9fcd322c45
children 9a00be1acaee
rev   line source
4731
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.importer.parsers.tim;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.io.BufferedReader;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4 import java.io.FileInputStream;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 import java.io.IOException;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import java.io.InputStreamReader;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 import java.util.ArrayList;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 import java.util.Collections;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 import java.util.List;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 import java.util.Map;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 import java.util.TreeMap;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13
4735
94b39073f0f7 Moved EpsilonComparator to utils package becaus its not only useful for TIM parsing. Used EpsilonComparator in DA60 and DA66 case. Maybe TODO: Use in PRF, too.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4731
diff changeset
14 import de.intevation.flys.utils.EpsilonComparator;
4731
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 /** Parser for single .tim files. */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 // TODO switch to proper logging.
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 public class TIMParser
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 /** Proper encoding. */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 public static final String ENCODING =
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 System.getProperty("tim.encoding", "ISO-8859-1");
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 /** Map of stations (km) to points (xyz). */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 protected Map<Double, List<Coordinate>> lines;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 public TIMParser() {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 lines = new TreeMap<Double, List<Coordinate>>(EpsilonComparator.CMP);
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 /** Access map of stations (km) to coordinates (xyz). */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 public Map<Double, List<Coordinate>> getLines() {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 return lines;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 /** Get number of lines (data). */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 public int numLines() {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 return lines.size();
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 /** Parse single .tim file. */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 public void load(String filename) throws IOException {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 BufferedReader reader =
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 new BufferedReader(
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 new InputStreamReader(
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 new FileInputStream(filename), ENCODING));
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 try {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 String row;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 while ((row = reader.readLine()) != null) {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 if (row.length() < 54) {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 System.err.println("row too short");
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 continue;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 double station, x, y, z;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 try {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 station = Double.parseDouble(row.substring( 9, 16))/1000d;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 x = Double.parseDouble(row.substring(20, 30))/1000d;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 y = Double.parseDouble(row.substring(30, 40))/1000d;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 z = Double.parseDouble(row.substring(47, 54))/10000d;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 } catch (NumberFormatException nfe) {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 System.err.println("Invalid row");
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62 continue;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 Double km = station;
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
66
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 List<Coordinate> line = lines.get(km);
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 if (line == null) {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69 line = new ArrayList<Coordinate>();
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70 lines.put(km, line);
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 line.add(new Coordinate(x, y, z));
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 // Bring coords in lexicographical order.
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 sortCoordinates();
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 } finally {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78 reader.close();
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
80 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
82 /** Sort coordinates of lines lexicographically. */
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83 protected void sortCoordinates() {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
84 for (List<Coordinate> line: lines.values()) {
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
85 Collections.sort(line, LexiComparator.CMP);
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
86 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
88 }
7d9fcd322c45 Initial version of TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
89 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org