Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/PegelGltParser.java @ 186:cf8cbcb6a10d

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Added parser to read *.KM files. flys-backend/trunk@1506 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 17 Mar 2011 17:43:57 +0000
parents a60edcfe5f53
children bc3747a371cc
rev   line source
184
4ab2c3bd474c Added parsing of PEGEL.GLT files.
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1 package de.intevation.flys.importer;
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2
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3 import java.io.File;
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4
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5 import java.util.List;
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6 import java.util.ArrayList;
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7
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8 import java.util.regex.Pattern;
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9 import java.util.regex.Matcher;
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10
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11 import java.io.IOException;
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12 import java.io.LineNumberReader;
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13 import java.io.FileInputStream;
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14 import java.io.InputStreamReader;
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15
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16 import org.apache.log4j.Logger;
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17
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18 import de.intevation.flys.utils.FileTools;
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19
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20 public class PegelGltParser
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21 {
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cf8cbcb6a10d Added parser to read *.KM files.
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22 private static Logger log = Logger.getLogger(PegelGltParser.class);
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23
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24 public static final String ENCODING = "ISO-8859-1";
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25
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26 public static final String KM = "km:";
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27
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28 protected List<ImportGauge> gauges;
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29
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30 public PegelGltParser() {
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31 gauges = new ArrayList<ImportGauge>();
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32 }
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33
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34 public List<ImportGauge> getGauges() {
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35 return gauges;
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36 }
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37
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38 public void parse(File file) throws IOException {
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39
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40 File parent = file.getParentFile();
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41
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42 log.info("parsing GLT file '" + file + "'");
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43 LineNumberReader in = null;
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44 try {
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45 in =
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46 new LineNumberReader(
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47 new InputStreamReader(
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48 new FileInputStream(file), ENCODING));
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49
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50 String line = null;
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51 while ((line = in.readLine()) != null) {
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52 if ((line = line.trim()).length() == 0) {
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53 continue;
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54 }
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55
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56 int kmPos = line.indexOf(KM);
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57 if (kmPos < 0) {
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58 log.warn("no gauge found in line " + in.getLineNumber());
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59 continue;
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60 }
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61
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62 String gaugeName = line.substring(0, kmPos).trim();
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63 log.info("Found gauge '" + gaugeName + "'");
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64
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65 line = line.substring(kmPos + KM.length()).trim();
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66
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67 String [] parts = line.split("\\s+");
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68 if (parts.length < 4) {
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69 log.warn("line " + in.getLineNumber()
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70 + " has not enough columns");
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71 continue;
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72 }
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73
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74 double from = Double.parseDouble(parts[0].replace(",", "."));
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75 double to = Double.parseDouble(parts[1].replace(",", "."));
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76 if (to < from) { double t = from; from = to; to = t; }
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77 ImportRange range = new ImportRange(from, to);
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78 File staFile = FileTools.repair(new File(parent, parts[2]));
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79 File atFile = FileTools.repair(new File(parent, parts[3]));
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80
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81 if (log.isDebugEnabled()) {
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82 log.debug("\tfrom: " + from);
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83 log.debug("\tto: " + to);
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84 log.debug("\tsta: " + staFile);
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85 log.debug("\tat: " + atFile);
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86 }
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87
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88 gauges.add(new ImportGauge(range, staFile, atFile));
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89 }
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90 }
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91 finally {
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92 if (in != null) {
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93 in.close();
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94 }
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95 }
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96 }
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97 }
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org