Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/LineParser.java @ 2815:3febaed762b8

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Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files. flys-backend/trunk@4232 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 13 Apr 2012 09:57:37 +0000
parents
children f63b39799d2d
rev   line source
2815
3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.importer.parsers;
3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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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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14 import org.apache.log4j.Logger;
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3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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17 public abstract class LineParser {
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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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23 public static final Locale DEFAULT_LOCALE = Locale.GERMAN;
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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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3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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29 protected abstract void handleLine(String line);
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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 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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38 * <i>reset()</i> is called; afterwars for each line <i>handleLine()</i> is
3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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39 * called; at the end <i>finish</i> is called.
3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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40 *
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41 * @param file The file which should be parsed.
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42 */
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43 public void parse(File file) throws IOException {
3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
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44 log.info("Parsing file '" + file + "'");
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46 reset();
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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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70 finish();
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71 }
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72
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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 :
http://dive4elements.wald.intevation.org