Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/BundesWasserStrassenParser.java @ 9726:0a5239a1e46e 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Wed, 02 Mar 2022 10:26:50 +0100
parents 9d2e69f971f5
children
rev   line source
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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.util.HashMap;
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12
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13 import org.apache.logging.log4j.Logger;
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14 import org.apache.logging.log4j.LogManager;
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15
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16 /** Parse CSV file that contains official numbers for rivers. */
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17 public class BundesWasserStrassenParser extends LineParser {
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18
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19 /** Private log. */
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20 private static final Logger log =
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21 LogManager.getLogger(BundesWasserStrassenParser.class);
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22
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23 /** Map from rivernames to Official numbers. */
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24 private HashMap<String,Long> numberMap;
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25
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26
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27 public BundesWasserStrassenParser() {
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28 numberMap = new HashMap<String,Long>();
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29 }
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30
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31
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32 /** No need to reset. */
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33 @Override
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34 protected void reset() {
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35 }
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36
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37
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38 /** No action needed on eof. */
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39 @Override
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40 protected void finish() {
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41 }
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42
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43
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44 /** Handle a line of the bwastr-id file. */
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45 @Override
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46 protected void handleLine(int lineNum, String line) {
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47 String[] vals = line.split(",");
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48 // Try both "," and ";" as separator.
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49 if (vals.length != 2) {
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50 vals = line.split(";");
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51 if (vals.length != 2) {
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52 log.warn("Invalid bwastr-id line:\n" + line);
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53 return;
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54 }
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55 }
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56 try {
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57 String name = unwrap(vals[0].toLowerCase());
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58 String numberStr = unwrap(vals[1]);
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59 Long number = Long.valueOf(numberStr);
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60 numberMap.put(name, number);
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61 }
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62 catch (NumberFormatException e) {
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63 log.warn("Invalid number in bwastr-id line:\n" + 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 /** Get river -&gt; official number mapping. */
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69 public HashMap<String,Long> getMap() {
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70 return numberMap;
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71 }
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72
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73
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74 /** Remove leading and trailing quotes. */
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75 protected String unwrap(String input) {
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76 if (input.startsWith("\"")) {
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77 input = input.substring(1);
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78 }
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79 if (input.endsWith("\"")) {
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80 input = input.substring(0, input.length() - 1);
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81 }
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82 return input;
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83 }
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84 }
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85 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org