eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/datasource/CdmMetaDataAwareDataSourceContainer.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.taxeditor.view.datasource;
  12
  13 import java.util.HashMap;
  14 import java.util.Map;
  15
  16 import eu.etaxonomy.cdm.config.CdmSourceException;
  17 import eu.etaxonomy.cdm.config.ICdmSource;
  18 import eu.etaxonomy.cdm.model.metadata.CdmMetaData;
  19 import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
  20 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  21
  22 /**
  23  * <p>CdmMetaDataAwareDataSourceContainer class.</p>
  24  *
  25  * @author n.hoffmann
  26  * @created Sep 22, 2010
  27  * @version 1.0
  28  */
  29 public class CdmMetaDataAwareDataSourceContainer {
  30
  31
  32
  33         /** Constant <code>DEFAULT_ENTRY="-"</code> */
  34         public static final String DEFAULT_ENTRY = "-";
  35
  36         private ICdmSource cdmSource;
  37
  38         private boolean running;
  39
  40         private Map<MetaDataPropertyName, String> metaDataMap;
  41
  42         /**
  43          * <p>Constructor for CdmMetaDataAwareDataSourceContainer.</p>
  44          *
  45          * @param dataSource a {@link eu.etaxonomy.cdm.database.ICdmDataSource} object.
  46          * @param view a {@link eu.etaxonomy.taxeditor.view.datasource.CdmDataSourceViewPart} object.
  47          */
  48         public CdmMetaDataAwareDataSourceContainer(ICdmSource cdmSource){
  49                 this.cdmSource = cdmSource;
  50
  51                 metaDataMap = getDefaultMetaDataMap();
  52
  53         }
  54
  55 //      /**
  56 //       * <p>Getter for the field <code>dataSource</code>.</p>
  57 //       *
  58 //       * @return the dataSource
  59 //       */
  60 //      public ICdmDataSource getDataSource() {
  61 //              return dataSource;
  62 //      }
  63
  64         public ICdmSource getCdmSource() {
  65         return cdmSource;
  66 }
  67
  68         public void getMetaDataFromDataSource(){
  69                 try {
  70                         running = cdmSource.checkConnection();
  71                 } catch (Exception e) {
  72                         running = false;
  73                         for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
  74                                 metaDataMap.put(metaDataPropertyName, DEFAULT_ENTRY);
  75                         }
  76                 }
  77
  78                 try {
  79                         if(isRunning()){
  80
  81                                 //                              try {
  82                                 metaDataMap = cdmSource.getMetaDataMap();
  83                                 cdmSource.closeOpenConnections();
  84                                 //                              } catch (CdmSourceException e) {
  85                                 //                                      StoreUtil.warn(this.getClass(), "SQLException when trying to access: " + cdmSource.getName() + ". " + e.getMessage());
  86                                 //                              }
  87                         }
  88                 } catch (Exception e) {
  89             if(e instanceof CdmSourceException && e.getMessage().toLowerCase().contains("\"cdmmetadata\"")){
  90                 MessagingUtils.error(this.getClass(), "Data source "+((CdmSourceException) e).getSourceName()+" does not have a CDMMETADATA table", null);
  91             }
  92             else{
  93                 MessagingUtils.error(this.getClass(), e);
  94             }
  95                 }
  96         }
  97
  98         private Map<MetaDataPropertyName, String> getDefaultMetaDataMap(){
  99                 Map<MetaDataPropertyName, String> resultMap = new HashMap<MetaDataPropertyName, String>(MetaDataPropertyName.values().length);
 100
 101                 for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
 102                         resultMap.put(metaDataPropertyName, null);
 103                 }
 104
 105                 return resultMap;
 106         }
 107
 108         /**
 109          * <p>Getter for the field <code>metaDataMap</code>.</p>
 110          *
 111          * @return the metaDataMap
 112          */
 113         public Map<MetaDataPropertyName, String> getMetaDataMap() {
 114                 return metaDataMap;
 115         }
 116
 117         /**
 118          * <p>isDataSourceCompatible</p>
 119          *
 120          * @return a boolean.
 121          */
 122         public boolean isDataSourceCompatible(){
 123                 String version = metaDataMap.get(MetaDataPropertyName.DB_SCHEMA_VERSION);
 124                 return version == null || version.equals(DEFAULT_ENTRY) ? false : CdmMetaData.isDbSchemaVersionCompatible(version);
 125         }
 126
 127         /**
 128          * <p>getMetaData</p>
 129          *
 130          * @param metaDataPropertyName a {@link eu.etaxonomy.cdm.model.common.CdmMetaData.MetaDataPropertyName} object.
 131          * @return a {@link java.lang.String} object.
 132          */
 133         public String getMetaData(MetaDataPropertyName metaDataPropertyName){
 134                 String property = metaDataMap.get(metaDataPropertyName);
 135                 return property != null ? property : DEFAULT_ENTRY;
 136         }
 137
 138         /**
 139          * <p>isRunning</p>
 140          *
 141          * @return the running
 142          */
 143         public boolean isRunning() {
 144                 return running;
 145         }
 146
 147         /* (non-Javadoc)
 148          * @see java.lang.Object#toString()
 149          */
 150         /** {@inheritDoc} */
 151         @Override
 152         public String toString() {
 153                 return cdmSource.getName();
 154         }
 155 }