eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/datasource/CdmMetaDataAwareDataSourceContainer.java

   1 /**
   2 * Copyright (C) 2007 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
  10 package eu.etaxonomy.taxeditor.view.datasource;
  11
  12 import java.util.HashMap;
  13 import java.util.Map;
  14
  15 import eu.etaxonomy.cdm.config.CdmSourceException;
  16 import eu.etaxonomy.cdm.config.ICdmSource;
  17 import eu.etaxonomy.cdm.model.metadata.CdmMetaData;
  18 import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
  19 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  20
  21 /**
  22  * <p>CdmMetaDataAwareDataSourceContainer class.</p>
  23  *
  24  * @author n.hoffmann
  25  * @created Sep 22, 2010
  26  * @version 1.0
  27  */
  28 public class CdmMetaDataAwareDataSourceContainer {
  29
  30
  31
  32         /** Constant <code>DEFAULT_ENTRY="-"</code> */
  33         public static final String DEFAULT_ENTRY = "-";
  34
  35         private ICdmSource cdmSource;
  36
  37         private boolean running;
  38
  39         private Map<MetaDataPropertyName, String> metaDataMap;
  40
  41         /**
  42          * <p>Constructor for CdmMetaDataAwareDataSourceContainer.</p>
  43          *
  44          * @param dataSource a {@link eu.etaxonomy.cdm.database.ICdmDataSource} object.
  45          * @param view a {@link eu.etaxonomy.taxeditor.view.datasource.CdmDataSourceViewPart} object.
  46          */
  47         public CdmMetaDataAwareDataSourceContainer(ICdmSource cdmSource){
  48                 this.cdmSource = cdmSource;
  49
  50                 metaDataMap = getDefaultMetaDataMap();
  51
  52         }
  53
  54 //      /**
  55 //       * <p>Getter for the field <code>dataSource</code>.</p>
  56 //       *
  57 //       * @return the dataSource
  58 //       */
  59 //      public ICdmDataSource getDataSource() {
  60 //              return dataSource;
  61 //      }
  62
  63         public ICdmSource getCdmSource() {
  64         return cdmSource;
  65 }
  66
  67         public void getMetaDataFromDataSource(){
  68                 try {
  69                         running = cdmSource.checkConnection();
  70                 } catch (Exception e) {
  71                         running = false;
  72                         for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
  73                                 metaDataMap.put(metaDataPropertyName, DEFAULT_ENTRY);
  74                         }
  75                 }
  76
  77                 try {
  78                         if(isRunning()){
  79
  80                                 //                              try {
  81                                 metaDataMap = cdmSource.getMetaDataMap();
  82                                 cdmSource.closeOpenConnections();
  83                                 //                              } catch (CdmSourceException e) {
  84                                 //                                      StoreUtil.warn(this.getClass(), "SQLException when trying to access: " + cdmSource.getName() + ". " + e.getMessage());
  85                                 //                              }
  86                         }
  87                 } catch (Exception e) {
  88             if(e instanceof CdmSourceException && e.getMessage().toLowerCase().contains("\"cdmmetadata\"")){
  89                 MessagingUtils.error(this.getClass(), "Data source "+((CdmSourceException) e).getSourceName()+" does not have a CDMMETADATA table", null);
  90             }
  91             else{
  92                 MessagingUtils.error(this.getClass(), e);
  93             }
  94                 }
  95         }
  96
  97         private Map<MetaDataPropertyName, String> getDefaultMetaDataMap(){
  98                 Map<MetaDataPropertyName, String> resultMap = new HashMap<MetaDataPropertyName, String>(MetaDataPropertyName.values().length);
  99
 100                 for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
 101                         resultMap.put(metaDataPropertyName, null);
 102                 }
 103
 104                 return resultMap;
 105         }
 106
 107         /**
 108          * <p>Getter for the field <code>metaDataMap</code>.</p>
 109          *
 110          * @return the metaDataMap
 111          */
 112         public Map<MetaDataPropertyName, String> getMetaDataMap() {
 113                 return metaDataMap;
 114         }
 115
 116         /**
 117          * <p>isDataSourceCompatible</p>
 118          *
 119          * @return a boolean.
 120          */
 121         public boolean isDataSourceCompatible(){
 122                 String version = metaDataMap.get(MetaDataPropertyName.DB_SCHEMA_VERSION);
 123                 return version == null || version.equals(DEFAULT_ENTRY) ? false : CdmMetaData.isDbSchemaVersionCompatible(version);
 124         }
 125
 126         /**
 127          * <p>getMetaData</p>
 128          *
 129          * @param metaDataPropertyName a {@link eu.etaxonomy.cdm.model.common.CdmMetaData.MetaDataPropertyName} object.
 130          * @return a {@link java.lang.String} object.
 131          */
 132         public String getMetaData(MetaDataPropertyName metaDataPropertyName){
 133                 String property = metaDataMap.get(metaDataPropertyName);
 134                 return property != null ? property : DEFAULT_ENTRY;
 135         }
 136
 137         /**
 138          * <p>isRunning</p>
 139          *
 140          * @return the running
 141          */
 142         public boolean isRunning() {
 143                 return running;
 144         }
 145
 146         /** {@inheritDoc} */
 147         @Override
 148         public String toString() {
 149                 return cdmSource.getName();
 150         }
 151 }