cdmlib-io/src/main/java/eu/etaxonomy/cdm/io/dwca/out/TermMapping.java

   1 /**
   2 * Copyright (C) 2009 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.cdm.io.dwca.out;
  10
  11 import java.io.IOException;
  12 import java.io.InputStreamReader;
  13 import eu.etaxonomy.cdm.common.URI;
  14 import java.util.HashMap;
  15 import java.util.Map;
  16 import java.util.UUID;
  17
  18 import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
  19
  20 import au.com.bytecode.opencsv.CSVReader;
  21 import eu.etaxonomy.cdm.common.CdmUtils;
  22
  23 /**
  24  * @author a.mueller
  25  * @since 03.05.2011
  26  *
  27  */
  28 public class TermMapping {
  29         @SuppressWarnings("unused")
  30         private static Logger logger = LogManager.getLogger(TermMapping.class);
  31
  32         private static final String COMMENT = "//";
  33
  34         private UUID uuidCdmVoc;
  35         private URI externalVoc;
  36         private char separator = '\t'; //'\u0009';  //horizontal tab
  37
  38         private Map<UUID, String> mappingMap = new HashMap<>();
  39
  40
  41         public TermMapping(String filename) throws IOException{
  42                 readMapping(filename);
  43         }
  44
  45
  46         private void readMapping(String filename) throws IOException {
  47                 String strResourceFileName = "mapping/" + filename;
  48                 InputStreamReader isr = CdmUtils.getUtf8ResourceReader(strResourceFileName);
  49                 CSVReader reader = new CSVReader(isr, separator);
  50
  51                 String [] nextLine = reader.readNext();
  52                 uuidCdmVoc = UUID.fromString(nextLine[0]);
  53                 externalVoc = URI.create(nextLine[1]);
  54
  55                 while ((nextLine = reader.readNext()) != null) {
  56                         // nextLine[] is an array of values from the line
  57                         if (nextLine.length == 0){
  58                                 continue;
  59                         }
  60                         readMappingLine(nextLine);
  61
  62                 }
  63         }
  64
  65         private void readMappingLine(String[] mappingLine) {
  66                 if (! mappingLine[0].startsWith(COMMENT)){
  67                         UUID uuidCdm = UUID.fromString(mappingLine[0]);
  68                         String externalTerm = mappingLine[1].trim();
  69                         mappingMap.put(uuidCdm, externalTerm);
  70                 }
  71         }
  72
  73         public String getTerm(UUID key){
  74                 return mappingMap.get(key);
  75         }
  76
  77         public URI getExternalVoc(){
  78                 return externalVoc;
  79         }
  80
  81         public UUID getCdmVoc(){
  82                 return uuidCdmVoc;
  83         }
  84 }