Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/BundesWasserStrassenParser.java @ 5844:4dd33b86dc61

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Added header to river backend.
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 26 Apr 2013 08:25:41 +0200
parents 5aa05a7a34b7
children 4c3ccf2b0304
rev   line source
5844
4dd33b86dc61 Added header to river backend.
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.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 -&gt; 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 :
http://dive4elements.wald.intevation.org