cdmlib-io/src/main/java/eu/etaxonomy/cdm/io/common/mapping/DbImportMultiLanguageTextMapper.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.cdm.io.common.mapping;
  12
  13 import java.lang.reflect.InvocationTargetException;
  14 import java.lang.reflect.Method;
  15 import java.sql.ResultSet;
  16 import java.sql.SQLException;
  17 import java.util.HashMap;
  18 import java.util.Map;
  19
  20 import org.apache.log4j.Logger;
  21
  22 import eu.etaxonomy.cdm.io.common.DbImportStateBase;
  23 import eu.etaxonomy.cdm.io.common.ImportHelper;
  24 import eu.etaxonomy.cdm.model.common.CdmBase;
  25 import eu.etaxonomy.cdm.model.common.Language;
  26 import eu.etaxonomy.cdm.model.common.LanguageString;
  27
  28 /**
  29  * @author a.mueller
  30  * @created 15.03.2010
  31  * @version 1.0
  32  */
  33 public class DbImportMultiLanguageTextMapper<CDMBASE extends CdmBase> extends DbImportMultiAttributeMapperBase<CDMBASE, DbImportStateBase<?,?>> {
  34         @SuppressWarnings("unused")
  35         private static final Logger logger = Logger.getLogger(DbImportMultiLanguageTextMapper.class);
  36
  37 //****************************** FACTORY METHOD ********************************************/
  38
  39         public static DbImportMultiLanguageTextMapper NewInstance(String dbTextAttribute, String dbLanguageAttribute, String languageNamespace, String cdmMultiLanguageTextAttribute){
  40                 return new DbImportMultiLanguageTextMapper(dbTextAttribute, dbLanguageAttribute, languageNamespace, cdmMultiLanguageTextAttribute);
  41         }
  42
  43
  44 //***************************** VARIABLES *************************************************/
  45
  46         private String dbTextAttribute;
  47         private String dbLanguageAttribute;
  48         private String languageNamespace;
  49         private String cdmMultiLanguageTextAttribute;
  50         private Method destinationMethod;
  51
  52 //***************************** CONSTRUCTOR *************************************************/
  53
  54         protected DbImportMultiLanguageTextMapper(String dbTextAttribute, String dbLanguageAttribute, String languageNamespace, String cdmMultiLanguageTextAttribute){
  55                 super();
  56                 this.dbTextAttribute = dbTextAttribute;
  57                 this.dbLanguageAttribute = dbLanguageAttribute;
  58                 this.languageNamespace = languageNamespace;
  59                 this.cdmMultiLanguageTextAttribute = cdmMultiLanguageTextAttribute;
  60         }
  61
  62         /* (non-Javadoc)
  63          * @see eu.etaxonomy.cdm.io.common.mapping.DbImportMultiAttributeMapperBase#initialize(eu.etaxonomy.cdm.io.common.DbImportStateBase, java.lang.Class)
  64          */
  65         @Override
  66         public void initialize(DbImportStateBase<?,?> state, Class<? extends CdmBase> destinationClass) {
  67                 super.initialize(state, destinationClass);
  68                 try {
  69                         Class targetClass = getTargetClass(destinationClass);
  70                         Class<?> parameterType = getTypeClass();
  71                         String methodName = ImportHelper.getSetterMethodName(targetClass, cdmMultiLanguageTextAttribute);
  72                         destinationMethod = targetClass.getMethod(methodName, parameterType);
  73                 } catch (SecurityException e) {
  74                         throw new RuntimeException(e);
  75                 } catch (NoSuchMethodException e) {
  76                         String message = "NoSuchMethod in MultiLanguageTextMapper for attribute %s and destination method %s";
  77                         message = String.format(message, this.dbTextAttribute, this.destinationMethod);
  78                         throw new RuntimeException(message, e);
  79                 }
  80         }
  81
  82         /**
  83          * This method is used to be compliant with DbSingleAttributeImport
  84          * @return
  85          */
  86         protected Class<?> getTypeClass() {
  87                 return Map.class;
  88         }
  89
  90         /**
  91          * This method is used to be compliant with DbSingleAttributeImport
  92          * @param destinationClass
  93          * @return
  94          * @throws SecurityException
  95          * @throws NoSuchMethodException
  96          */
  97         protected Class getTargetClass(Class<?> destinationClass) throws SecurityException, NoSuchMethodException{
  98                 return destinationClass;
  99         }
 100
 101         /* (non-Javadoc)
 102          * @see eu.etaxonomy.cdm.io.common.mapping.IDbImportMapper#invoke(java.sql.ResultSet, eu.etaxonomy.cdm.model.common.CdmBase)
 103          */
 104         public CDMBASE invoke(ResultSet rs, CDMBASE cdmBase) throws SQLException {
 105                 //TODO make this a definedTermMapper
 106                 Language language = (Language)getRelatedObject(rs, languageNamespace, dbLanguageAttribute);
 107                 String text = getStringDbValue(rs, dbTextAttribute);
 108
 109                 Map<Language, LanguageString> multilanguageText = new HashMap<Language, LanguageString>();
 110                 LanguageString languageString = LanguageString.NewInstance(text, language);
 111                 multilanguageText.put(language, languageString);
 112                 try {
 113                         destinationMethod.invoke(cdmBase, multilanguageText);
 114                 } catch (IllegalArgumentException e) {
 115                         throw e;
 116                 } catch (IllegalAccessException e) {
 117                         throw new RuntimeException(e);
 118                 } catch (InvocationTargetException e) {
 119                         throw new RuntimeException (e);
 120                 }
 121                 return cdmBase;
 122         }
 123
 124
 125 }