Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/FlowVelocityModelParser.java @ 2828:ac13e466a55e

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Added a parser for flow velocity model data and adjusted the db relation schema (missing q column). flys-backend/trunk@4245 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 17 Apr 2012 09:37:52 +0000
parents
children 5b54a648f702
rev   line source
2828
ac13e466a55e Added a parser for flow velocity model data and adjusted the db relation schema (missing q column).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.importer.parsers;
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2
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3 import java.math.BigDecimal;
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4 import java.text.NumberFormat;
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5 import java.text.ParseException;
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6 import java.util.ArrayList;
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7 import java.util.List;
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8 import java.util.regex.Matcher;
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9 import java.util.regex.Pattern;
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10
ac13e466a55e Added a parser for flow velocity model data and adjusted the db relation schema (missing q column).
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11 import java.text.ParseException;
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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 de.intevation.flys.importer.ImportFlowVelocityModel;
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16 import de.intevation.flys.importer.ImportFlowVelocityModelValue;
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17
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18
ac13e466a55e Added a parser for flow velocity model data and adjusted the db relation schema (missing q column).
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19 public class FlowVelocityModelParser extends LineParser {
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20
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21 private static final Logger log =
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22 Logger.getLogger(FlowVelocityModelParser.class);
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23
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24 private static final Pattern META_REGEX =
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25 Pattern.compile(".*Rechnung (.*) \\(Pegel (.*)\\).*");
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26
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27 private static final NumberFormat nf =
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28 NumberFormat.getInstance(DEFAULT_LOCALE);
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29
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30
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31 private List<ImportFlowVelocityModel> models;
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32
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33 private ImportFlowVelocityModel current;
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34
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35
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36 public FlowVelocityModelParser() {
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37 models = new ArrayList<ImportFlowVelocityModel>();
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38 }
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39
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40
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41 public List<ImportFlowVelocityModel> getModels() {
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42 return models;
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43 }
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44
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45 @Override
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46 protected void reset() {
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47 current = new ImportFlowVelocityModel();
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48 }
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49
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50
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51 @Override
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52 protected void finish() {
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53 models.add(current);
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54 }
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55
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56
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57 @Override
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58 protected void handleLine(String line) {
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59 if (line.startsWith(START_META_CHAR)) {
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60 handleMetaLine(stripMetaLine(line));
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61 }
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62 else {
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63 handleDataLine(line);
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64 }
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65 }
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66
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67
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68 public void handleMetaLine(String line) {
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69 Matcher m = META_REGEX.matcher(line);
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70
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71 if (m.matches()) {
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72 String zoneStr = m.group(1);
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73 String gaugeStr = m.group(2);
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74
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75 log.debug("Found zone string: '" + zoneStr + "'");
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76 log.debug("Found gauge string: '" + gaugeStr + "'");
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77
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78 // TODO Do something with these information
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79 }
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80 }
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81
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82
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83 public void handleDataLine(String line) {
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84 String[] cols = line.split(SEPERATOR_CHAR);
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85
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86 if (cols.length < 5) {
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87 log.warn("skip invalid data line: '" + line + "'");
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88 return;
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89 }
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90
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91 try {
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92 double km = nf.parse(cols[0]).doubleValue();
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93 double q = nf.parse(cols[1]).doubleValue();
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94 double total = nf.parse(cols[2]).doubleValue();
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95 double main = nf.parse(cols[3]).doubleValue();
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96 double stress = nf.parse(cols[4]).doubleValue();
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97
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98 current.addValue(new ImportFlowVelocityModelValue(
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99 new BigDecimal(km),
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100 new BigDecimal(q),
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101 new BigDecimal(total),
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102 new BigDecimal(main),
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103 new BigDecimal(stress)
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104 ));
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105 }
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106 catch (ParseException pe) {
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107 log.warn("Error while parsing flow velocity values.", pe);
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108 }
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109 }
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110 }
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111 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org