Mercurial > dive4elements > river

annotate flys-backend/src/main/java/org/dive4elements/river/importer/parsers/MorphologicalWidthParser.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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1 package org.dive4elements.river.importer.parsers;
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2
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3 import java.math.BigDecimal;
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4
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5 import java.text.NumberFormat;
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6 import java.text.ParseException;
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7
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8 import java.util.ArrayList;
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9 import java.util.List;
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10 import java.util.regex.Matcher;
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11 import java.util.regex.Pattern;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import org.dive4elements.river.importer.ImportMorphWidth;
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16 import org.dive4elements.river.importer.ImportMorphWidthValue;
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17 import org.dive4elements.river.importer.ImportUnit;
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19
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20 public class MorphologicalWidthParser extends LineParser {
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21
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22 private static final Logger log =
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23 Logger.getLogger(MorphologicalWidthParser.class);
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24
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25 public static final NumberFormat nf = NumberFormat.getInstance(DEFAULT_LOCALE);
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26
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27 public static final Pattern META_UNIT =
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28 Pattern.compile("^Einheit: \\[(.*)\\].*");
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29
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30 protected List<ImportMorphWidth> morphWidths;
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31
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32 protected ImportMorphWidth current;
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33
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34
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35 public MorphologicalWidthParser() {
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36 morphWidths = new ArrayList<ImportMorphWidth>();
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37 }
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38
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39
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40 @Override
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41 protected void reset() {
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42 current = new ImportMorphWidth();
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43 }
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44
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45
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46 @Override
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47 protected void finish() {
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48 if (current != null) {
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49 morphWidths.add(current);
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50 }
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51 }
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52
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53
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54 @Override
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55 protected void handleLine(int lineNum, String line) {
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56 if (line.startsWith(START_META_CHAR)) {
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57 handleMetaLine(stripMetaLine(line));
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58 }
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59 else {
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60 handleDataLine(line);
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61 }
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62 }
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63
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64
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65 protected void handleMetaLine(String line) {
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66 if (handleMetaUnit(line)) {
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67 return;
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68 }
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69 else {
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70 log.warn("MWP: Unknown meta line: '" + line + "'");
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71 }
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72 }
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73
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74
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75 protected boolean handleMetaUnit(String line) {
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76 Matcher m = META_UNIT.matcher(line);
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77
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78 if (m.matches()) {
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79 String unit = m.group(1);
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80
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81 current.setUnit(new ImportUnit(unit));
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82
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83 return true;
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84 }
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85
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86 return false;
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87 }
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88
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89
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90 protected void handleDataLine(String line) {
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91 String[] vals = line.split(SEPERATOR_CHAR);
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92
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93 if (vals == null || vals.length < 2) {
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94 log.warn("MWP: skip invalid data line: '" + line + "'");
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95 return;
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96 }
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97
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98 try {
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99 BigDecimal km = new BigDecimal(nf.parse(vals[0]).doubleValue());
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100 BigDecimal width = new BigDecimal(nf.parse(vals[1]).doubleValue());
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101
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102 String desc = vals.length > 2 ? vals[2] : null;
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103
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104 current.addValue(new ImportMorphWidthValue(
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105 km,
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106 width,
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107 desc
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108 ));
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109 }
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110 catch (ParseException pe) {
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111 log.warn("MWP: unparseable number in data row: " + line);
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112 }
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113 }
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114
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115
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116 public List<ImportMorphWidth> getMorphologicalWidths() {
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117 return morphWidths;
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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