Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/PegelGltParser.java @ 7447:82b8bfb47260

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Importer and doc: Warn instead of die if AT- or STA-file is missing for a gauge.
author Tom Gottfried <tom@intevation.de>
date Fri, 25 Oct 2013 16:57:15 +0200
parents 4c3ccf2b0304
children 5e38e2924c07
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.importer.parsers;
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10
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11 import java.io.File;
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12
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13 import java.util.List;
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14 import java.util.ArrayList;
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15
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16 import java.io.IOException;
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17 import java.io.LineNumberReader;
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18 import java.io.FileInputStream;
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19 import java.io.InputStreamReader;
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20
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21 import java.math.BigDecimal;
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22
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23 import org.apache.log4j.Logger;
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24
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25 import org.dive4elements.artifacts.common.utils.FileTools;
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26
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27 import org.dive4elements.river.importer.ImportGauge;
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28 import org.dive4elements.river.importer.ImportRange;
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29
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30 public class PegelGltParser
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31 {
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32 private static Logger log = Logger.getLogger(PegelGltParser.class);
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33
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34 public static final String ENCODING = "ISO-8859-1";
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35
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36 public static final String KM = "km:";
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37
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38 protected List<ImportGauge> gauges;
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39
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40 public PegelGltParser() {
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41 gauges = new ArrayList<ImportGauge>();
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42 }
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43
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44 public List<ImportGauge> getGauges() {
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45 return gauges;
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46 }
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47
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48 public void parse(File file) throws IOException {
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49
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50 File parent = file.getParentFile();
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51
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52 log.info("parsing GLT file '" + file + "'");
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53 LineNumberReader in = null;
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54 try {
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55 in =
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56 new LineNumberReader(
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57 new InputStreamReader(
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58 new FileInputStream(file), ENCODING));
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59
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60 String line = null;
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61 while ((line = in.readLine()) != null) {
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62 if ((line = line.trim()).length() == 0) {
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63 continue;
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64 }
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65
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66 int kmPos = line.indexOf(KM);
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67 if (kmPos < 0) {
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68 log.warn("GLT: no gauge found in line " + in.getLineNumber());
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69 continue;
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70 }
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71
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72 String gaugeName = line.substring(0, kmPos).trim();
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73 log.info("Found gauge '" + gaugeName + "'");
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74
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75 line = line.substring(kmPos + KM.length()).trim();
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76
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77 String [] parts = line.split("\\s+");
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78 if (parts.length < 4) {
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79 log.warn("GLT: line " + in.getLineNumber()
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80 + " has not enough columns.");
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81 continue;
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82 }
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83
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84 BigDecimal from = new BigDecimal(parts[0].replace(",", "."));
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85 BigDecimal to = new BigDecimal(parts[1].replace(",", "."));
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86 if (from.compareTo(from) > 0) {
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87 BigDecimal t = from; from = to; to = t;
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88 }
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89 ImportRange range = new ImportRange(from, to);
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90 File staFile = FileTools.repair(new File(parent, parts[2]));
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91 File atFile = FileTools.repair(new File(parent, parts[3]));
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92
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93 if (log.isDebugEnabled()) {
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94 log.debug("\tfrom: " + from);
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95 log.debug("\tto: " + to);
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96 log.debug("\tsta: " + staFile);
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97 log.debug("\tat: " + atFile);
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98 }
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99
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100 if (staFile.exists() && atFile.exists()) {
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101 gauges.add(new ImportGauge(range, staFile, atFile));
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102 }
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103 else {
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104 if (!staFile.exists()) {
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105 log.warn(staFile + " does not exist. Gauge ignored.");
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106 }
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107 if (!atFile.exists()) {
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108 log.warn(atFile + " does not exist. Gauge ignored.");
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109 }
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110 }
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111 }
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112 }
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113 finally {
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114 if (in != null) {
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115 in.close();
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116 }
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117 }
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118 }
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119 }
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120 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org