Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/importer/laf/LafFormat.java @ 711:3ec358698b4d

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Code style and documentation.
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 22 Jul 2015 16:03:03 +0200
parents 9e733f44d8b0
children
rev   line source
626
9e733f44d8b0 Code style and comments.
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parents: 610
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1 /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
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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 GPL (v>=3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out
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6 * the documentation coming with IMIS-Labordaten-Application for details.
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7 */
610
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8 package de.intevation.lada.importer.laf;
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9
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10 import java.io.IOException;
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11 import java.io.InputStream;
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12 import java.io.StringReader;
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13 import java.util.LinkedList;
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14 import java.util.List;
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15 import java.util.regex.Pattern;
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16
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17 import javax.json.Json;
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18 import javax.json.JsonArray;
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19 import javax.json.JsonException;
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20 import javax.json.JsonObject;
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21 import javax.json.JsonReader;
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22
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23 /**
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24 * The LAFFormat reads the config file
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25 * (https://bfs-intern.intevation.de/Server/Importer) and creates format
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26 * objects for each entry.
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27 *
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28 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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29 */
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30 public class LafFormat
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31 {
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32 private JsonObject fileContent;
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33
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34 /**
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35 * Reads the config file.
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36 *
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37 * @param fileName Path to the config file.
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38 * @return success
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39 */
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40 public boolean readConfigFile(String fileName) {
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41 try {
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42 InputStream inputStream =
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43 LafFormat.class.getResourceAsStream(fileName);
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44 int ch;
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45 StringBuilder builder = new StringBuilder();
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46 while((ch = inputStream.read()) != -1) {
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47 builder.append((char)ch);
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48 }
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49 JsonReader reader =
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50 Json.createReader(new StringReader(builder.toString()));
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51 fileContent = reader.readObject();
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52 return true;
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53 }
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54 catch (IOException ioe) {
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55 return false;
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56 }
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57 catch (JsonException je) {
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58 return false;
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59 }
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60 }
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61
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62 /**
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63 * Returns a List of EntryFormat for the requested entity type.
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64 * The Entity type can be one of:
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65 * * "probe"
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66 * * "messung"
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67 * * "ort"
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68 *
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69 * @param dataType The entity type
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70 * @return List of entry formats defined for the requested type.
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71 */
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72 public List<EntryFormat> getFormat(String dataType) {
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73 List<EntryFormat> formats = new LinkedList<EntryFormat>();
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74 try {
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75 JsonArray block = fileContent.getJsonArray(dataType);
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76 for (int i = 0; i < block.size(); i++) {
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77 JsonObject jEntry = block.getJsonObject(i);
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78 EntryFormat entry = new EntryFormat();
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79 entry.setKey(jEntry.getString("key"));
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80 Pattern pattern =
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81 Pattern.compile(
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82 jEntry.getString("regex"),
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83 Pattern.MULTILINE);
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84 entry.setPattern(pattern);
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85 entry.setDefaultValue(jEntry.get("default"));
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86 formats.add(entry);
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87 }
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88 return formats;
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89 }
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90 catch (JsonException e) {
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91 return null;
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92 }
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93 }
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94 }
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