Mercurial > dive4elements > river

annotate flys-backend/src/main/java/org/dive4elements/river/importer/parsers/PegelGltParser.java @ 5829:18619c1e7c2a

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Repaired internal references.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 11:54:36 +0200
parents dfb26b03b179
children
rev   line source
5829
18619c1e7c2a Repaired internal references.
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parents: 5828
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1 package org.dive4elements.river.importer.parsers;
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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.io.IOException;
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9 import java.io.LineNumberReader;
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10 import java.io.FileInputStream;
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11 import java.io.InputStreamReader;
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12
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13 import java.math.BigDecimal;
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14
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15 import org.apache.log4j.Logger;
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16
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17 import org.dive4elements.artifacts.common.utils.FileTools;
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18
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19 import org.dive4elements.river.importer.ImportGauge;
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20 import org.dive4elements.river.importer.ImportRange;
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21
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22 public class PegelGltParser
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23 {
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24 private static Logger log = Logger.getLogger(PegelGltParser.class);
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25
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26 public static final String ENCODING = "ISO-8859-1";
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27
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28 public static final String KM = "km:";
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29
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30 protected List<ImportGauge> gauges;
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31
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32 public PegelGltParser() {
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33 gauges = new ArrayList<ImportGauge>();
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34 }
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35
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36 public List<ImportGauge> getGauges() {
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37 return gauges;
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38 }
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39
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40 public void parse(File file) throws IOException {
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41
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42 File parent = file.getParentFile();
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43
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44 log.info("parsing GLT file '" + file + "'");
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45 LineNumberReader in = null;
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46 try {
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47 in =
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48 new LineNumberReader(
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49 new InputStreamReader(
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50 new FileInputStream(file), ENCODING));
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51
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52 String line = null;
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53 while ((line = in.readLine()) != null) {
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54 if ((line = line.trim()).length() == 0) {
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55 continue;
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56 }
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57
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58 int kmPos = line.indexOf(KM);
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59 if (kmPos < 0) {
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60 log.warn("GLT: no gauge found in line " + in.getLineNumber());
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61 continue;
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62 }
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63
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64 String gaugeName = line.substring(0, kmPos).trim();
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65 log.info("Found gauge '" + gaugeName + "'");
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66
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67 line = line.substring(kmPos + KM.length()).trim();
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68
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69 String [] parts = line.split("\\s+");
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70 if (parts.length < 4) {
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71 log.warn("GLT: line " + in.getLineNumber()
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72 + " has not enough columns.");
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73 continue;
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74 }
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75
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76 BigDecimal from = new BigDecimal(parts[0].replace(",", "."));
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77 BigDecimal to = new BigDecimal(parts[1].replace(",", "."));
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78 if (from.compareTo(from) > 0) {
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79 BigDecimal t = from; from = to; to = t;
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80 }
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81 ImportRange range = new ImportRange(from, to);
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82 File staFile = FileTools.repair(new File(parent, parts[2]));
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83 File atFile = FileTools.repair(new File(parent, parts[3]));
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84
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85 if (log.isDebugEnabled()) {
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86 log.debug("\tfrom: " + from);
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87 log.debug("\tto: " + to);
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88 log.debug("\tsta: " + staFile);
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89 log.debug("\tat: " + atFile);
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90 }
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91
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92 gauges.add(new ImportGauge(range, staFile, atFile));
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93 }
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94 }
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95 finally {
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96 if (in != null) {
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97 in.close();
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98 }
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99 }
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100 }
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101 }
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102 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org