Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/importer/laf/LafFormat.java @ 610:374a2e78cec5

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Added importer impl for laf file format.
author Raimund Renkert <raimund.renkert@intevation.de>
date Thu, 16 Apr 2015 15:49:04 +0200
parents
children 9e733f44d8b0
rev   line source
610
374a2e78cec5 Added importer impl for laf file format.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.lada.importer.laf;
374a2e78cec5 Added importer impl for laf file format.
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2
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3 import java.io.IOException;
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4 import java.io.InputStream;
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5 import java.io.StringReader;
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6 import java.util.LinkedList;
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7 import java.util.List;
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8 import java.util.regex.Pattern;
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9
374a2e78cec5 Added importer impl for laf file format.
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10 import javax.json.Json;
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11 import javax.json.JsonArray;
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12 import javax.json.JsonException;
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13 import javax.json.JsonObject;
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14 import javax.json.JsonReader;
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15
374a2e78cec5 Added importer impl for laf file format.
Raimund Renkert <raimund.renkert@intevation.de>
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16 /**
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Raimund Renkert <raimund.renkert@intevation.de>
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17 * The LAFFormat reads the config file
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18 * (https://bfs-intern.intevation.de/Server/Importer) and creates format
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Raimund Renkert <raimund.renkert@intevation.de>
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19 * objects for each entry.
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Raimund Renkert <raimund.renkert@intevation.de>
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20 *
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Raimund Renkert <raimund.renkert@intevation.de>
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21 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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22 */
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Raimund Renkert <raimund.renkert@intevation.de>
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23 public class LafFormat
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24 {
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25 private JsonObject fileContent;
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26
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Raimund Renkert <raimund.renkert@intevation.de>
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27 /**
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Raimund Renkert <raimund.renkert@intevation.de>
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28 * Reads the config file.
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Raimund Renkert <raimund.renkert@intevation.de>
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29 *
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30 * @param fileName Path to the config file.
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31 * @return success
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Raimund Renkert <raimund.renkert@intevation.de>
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32 */
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Raimund Renkert <raimund.renkert@intevation.de>
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33 public boolean readConfigFile(String fileName) {
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34 try {
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35 InputStream inputStream =
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Raimund Renkert <raimund.renkert@intevation.de>
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36 LafFormat.class.getResourceAsStream(fileName);
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37 int ch;
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38 StringBuilder builder = new StringBuilder();
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39 while((ch = inputStream.read()) != -1) {
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40 builder.append((char)ch);
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41 }
374a2e78cec5 Added importer impl for laf file format.
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42 JsonReader reader =
374a2e78cec5 Added importer impl for laf file format.
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43 Json.createReader(new StringReader(builder.toString()));
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44 fileContent = reader.readObject();
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Raimund Renkert <raimund.renkert@intevation.de>
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45 return true;
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46 }
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47 catch (IOException ioe) {
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48 return false;
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49 }
374a2e78cec5 Added importer impl for laf file format.
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50 catch (JsonException je) {
374a2e78cec5 Added importer impl for laf file format.
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51 return false;
374a2e78cec5 Added importer impl for laf file format.
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52 }
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53 }
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54
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Raimund Renkert <raimund.renkert@intevation.de>
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55 /**
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56 * Returns a List of EntryFormat for the requested entity type.
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Raimund Renkert <raimund.renkert@intevation.de>
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57 * The Entity type can be one of:
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Raimund Renkert <raimund.renkert@intevation.de>
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58 * * "probe"
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Raimund Renkert <raimund.renkert@intevation.de>
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59 * * "messung"
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Raimund Renkert <raimund.renkert@intevation.de>
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60 * * "ort"
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61 *
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62 * @param dataType The entity type
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63 * @return List of entry formats defined for the requested type.
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64 */
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65 public List<EntryFormat> getFormat(String dataType) {
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66 List<EntryFormat> formats = new LinkedList<EntryFormat>();
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67 try {
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68 JsonArray block = fileContent.getJsonArray(dataType);
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69 for (int i = 0; i < block.size(); i++) {
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70 JsonObject jEntry = block.getJsonObject(i);
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71 EntryFormat entry = new EntryFormat();
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72 entry.setKey(jEntry.getString("key"));
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73 Pattern pattern =
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74 Pattern.compile(
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75 jEntry.getString("regex"),
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76 Pattern.MULTILINE);
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77 entry.setPattern(pattern);
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78 entry.setDefaultValue(jEntry.get("default"));
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79 formats.add(entry);
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80 }
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81 return formats;
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82 }
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83 catch (JsonException e) {
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84 return null;
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85 }
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86 }
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87 }
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