Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/parsers/BundesWasserStrassenParser.java @ 6745:bd437771ea00 double-precision
Sediment density parser: fetch year from metaline and parse
author | Tom Gottfried <tom.gottfried@intevation.de> |
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date | Fri, 02 Aug 2013 11:36:33 +0200 |
parents | 4c3ccf2b0304 |
children | 9d2e69f971f5 |
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.log4j.Logger; |
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14 |
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15 /** Parse CSV file that contains official numbers for rivers. */ |
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16 public class BundesWasserStrassenParser extends LineParser { |
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17 |
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18 /** Private logger. */ |
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19 private static final Logger logger = |
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20 Logger.getLogger(BundesWasserStrassenParser.class); |
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21 |
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22 /** Map from rivernames to Official numbers. */ |
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23 private HashMap<String,Long> numberMap; |
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24 |
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25 |
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26 public BundesWasserStrassenParser() { |
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27 numberMap = new HashMap<String,Long>(); |
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28 } |
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29 |
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30 |
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31 /** No need to reset. */ |
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32 @Override |
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33 protected void reset() { |
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34 } |
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35 |
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36 |
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37 /** No action needed on eof. */ |
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38 @Override |
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39 protected void finish() { |
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40 } |
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41 |
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42 |
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43 /** Handle a line of the bwastr-id file. */ |
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44 @Override |
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45 protected void handleLine(int lineNum, String line) { |
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46 String[] vals = line.split(","); |
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47 // Try both "," and ";" as separator. |
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48 if (vals.length != 2) { |
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49 vals = line.split(";"); |
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50 if (vals.length != 2) { |
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51 logger.warn("Invalid bwastr-id line:\n" + line); |
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52 return; |
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53 } |
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54 } |
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55 try { |
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56 String name = unwrap(vals[0].toLowerCase()); |
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57 String numberStr = unwrap(vals[1]); |
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58 Long number = Long.valueOf(numberStr); |
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59 numberMap.put(name, number); |
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60 } |
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61 catch (NumberFormatException e) { |
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62 logger.warn("Invalid number in bwastr-id line:\n" + line); |
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63 } |
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64 } |
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65 |
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66 |
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67 /** Get river -> official number mapping. */ |
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68 public HashMap<String,Long> getMap() { |
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69 return numberMap; |
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70 } |
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71 |
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72 |
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73 /** Remove leading and trailing quotes. */ |
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74 protected String unwrap(String input) { |
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75 if (input.startsWith("\"")) { |
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76 input = input.substring(1); |
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77 } |
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78 if (input.endsWith("\"")) { |
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79 input = input.substring(0, input.length() - 1); |
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80 } |
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81 return input; |
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82 } |
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83 } |
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84 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |