Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/LineParser.java @ 3797:0f99e9f1a2ca
Importer: Added flag to invert skipping behaviour by default. Makes importing single features much easier.
flys-backend/trunk@5452 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 13 Sep 2012 10:53:34 +0000 |
parents | 3febaed762b8 |
children | f63b39799d2d |
rev | line source |
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3febaed762b8
Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.importer.parsers; |
3febaed762b8
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2 |
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3 import java.io.File; |
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4 |
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5 import java.util.Calendar; |
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6 import java.util.Date; |
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7 import java.util.Locale; |
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8 |
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9 import java.io.IOException; |
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10 import java.io.LineNumberReader; |
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11 import java.io.FileInputStream; |
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12 import java.io.InputStreamReader; |
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13 |
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14 import org.apache.log4j.Logger; |
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15 |
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16 |
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17 public abstract class LineParser { |
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18 |
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19 private static final Logger log = Logger.getLogger(LineParser.class); |
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20 |
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21 public static final String ENCODING = "ISO-8859-1"; |
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22 |
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23 public static final Locale DEFAULT_LOCALE = Locale.GERMAN; |
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24 |
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25 public static final String START_META_CHAR = "#"; |
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26 public static final String SEPERATOR_CHAR = ";"; |
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27 |
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28 |
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29 protected abstract void handleLine(String line); |
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30 |
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31 protected abstract void reset(); |
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32 |
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33 protected abstract void finish(); |
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34 |
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35 |
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36 /** |
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37 * This method reads each line of <i>file</i>. At the beginning, |
3febaed762b8
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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38 * <i>reset()</i> is called; afterwars for each line <i>handleLine()</i> is |
3febaed762b8
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parents:
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39 * called; at the end <i>finish</i> is called. |
3febaed762b8
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parents:
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40 * |
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41 * @param file The file which should be parsed. |
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parents:
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42 */ |
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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43 public void parse(File file) throws IOException { |
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44 log.info("Parsing file '" + file + "'"); |
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45 |
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parents:
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46 reset(); |
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47 |
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48 LineNumberReader in = null; |
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49 try { |
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50 in = |
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51 new LineNumberReader( |
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52 new InputStreamReader( |
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53 new FileInputStream(file), ENCODING)); |
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54 |
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55 String line = null; |
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56 while ((line = in.readLine()) != null) { |
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57 if ((line = line.trim()).length() == 0) { |
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58 continue; |
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59 } |
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60 |
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61 handleLine(line); |
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62 } |
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63 } |
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64 finally { |
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65 if (in != null) { |
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66 in.close(); |
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67 } |
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68 } |
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69 |
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70 finish(); |
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71 } |
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72 |
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73 |
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74 protected static String stripMetaLine(String line) { |
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75 String tmp = line.substring(1, line.length()); |
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76 |
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77 if (tmp.startsWith(" ")) { |
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78 return tmp.substring(1, tmp.length()); |
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79 } |
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80 else { |
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81 return tmp; |
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82 } |
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83 } |
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84 |
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85 |
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86 public static Date getDateFromYear(int year) { |
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87 Calendar cal = Calendar.getInstance(); |
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88 cal.set(year, 0, 1); |
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89 |
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90 return cal.getTime(); |
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91 } |
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92 } |
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93 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |