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.sql.SQLException;
  14 import java.util.HashMap;
  15 import java.util.Map;
  16
  17 import eu.etaxonomy.cdm.config.CdmSourceException;
  18 import eu.etaxonomy.cdm.config.ICdmSource;
  19 import eu.etaxonomy.cdm.database.ICdmDataSource;
  20 import eu.etaxonomy.cdm.model.metadata.CdmMetaData;
  21 import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
  22 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  23
  24 /**
  25  * <p>CdmMetaDataAwareDataSourceContainer class.</p>
  26  *
  27  * @author n.hoffmann
  28  * @created Sep 22, 2010
  29  * @version 1.0
  30  */
  31 public class CdmMetaDataAwareDataSourceContainer {
  32
  33
  34
  35         /** Constant <code>DEFAULT_ENTRY="-"</code> */
  36         public static final String DEFAULT_ENTRY = "-";
  37
  38         private ICdmSource cdmSource;
  39
  40         private boolean running;
  41
  42         private Map<MetaDataPropertyName, String> metaDataMap;
  43
  44         /**
  45          * <p>Constructor for CdmMetaDataAwareDataSourceContainer.</p>
  46          *
  47          * @param dataSource a {@link eu.etaxonomy.cdm.database.ICdmDataSource} object.
  48          * @param view a {@link eu.etaxonomy.taxeditor.view.datasource.CdmDataSourceViewPart} object.
  49          */
  50         public CdmMetaDataAwareDataSourceContainer(ICdmSource cdmSource){
  51                 this.cdmSource = cdmSource;
  52
  53                 metaDataMap = getDefaultMetaDataMap();
  54
  55         }
  56
  57 //      /**
  58 //       * <p>Getter for the field <code>dataSource</code>.</p>
  59 //       *
  60 //       * @return the dataSource
  61 //       */
  62 //      public ICdmDataSource getDataSource() {
  63 //              return dataSource;
  64 //      }
  65
  66         public ICdmSource getCdmSource() {
  67         return cdmSource;
  68 }
  69
  70         public void getMetaDataFromDataSource(){
  71                 try {
  72                         running = cdmSource.checkConnection();
  73                 } catch (Exception e) {
  74                         running = false;
  75                         for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
  76                                 metaDataMap.put(metaDataPropertyName, DEFAULT_ENTRY);
  77                         }
  78                 }
  79
  80                 try {
  81                         if(isRunning()){
  82
  83                                 //                              try {
  84                                 metaDataMap = cdmSource.getMetaDataMap();
  85                                 cdmSource.closeOpenConnections();
  86                                 //                              } catch (CdmSourceException e) {
  87                                 //                                      StoreUtil.warn(this.getClass(), "SQLException when trying to access: " + cdmSource.getName() + ". " + e.getMessage());
  88                                 //                              }
  89                         }
  90                 } catch (Exception e) {
  91                         MessagingUtils.error(this.getClass(), e);
  92                 }
  93         }
  94
  95         private Map<MetaDataPropertyName, String> getDefaultMetaDataMap(){
  96                 Map<MetaDataPropertyName, String> resultMap = new HashMap<MetaDataPropertyName, String>(MetaDataPropertyName.values().length);
  97
  98                 for(MetaDataPropertyName metaDataPropertyName : MetaDataPropertyName.values()){
  99                         resultMap.put(metaDataPropertyName, null);
 100                 }
 101
 102                 return resultMap;
 103         }
 104
 105         /**
 106          * <p>Getter for the field <code>metaDataMap</code>.</p>
 107          *
 108          * @return the metaDataMap
 109          */
 110         public Map<MetaDataPropertyName, String> getMetaDataMap() {
 111                 return metaDataMap;
 112         }
 113
 114         /**
 115          * <p>isDataSourceCompatible</p>
 116          *
 117          * @return a boolean.
 118          */
 119         public boolean isDataSourceCompatible(){
 120                 String version = metaDataMap.get(MetaDataPropertyName.DB_SCHEMA_VERSION);
 121                 return version == null || version.equals(DEFAULT_ENTRY) ? false : CdmMetaData.isDbSchemaVersionCompatible(version);
 122         }
 123
 124         /**
 125          * <p>getMetaData</p>
 126          *
 127          * @param metaDataPropertyName a {@link eu.etaxonomy.cdm.model.common.CdmMetaData.MetaDataPropertyName} object.
 128          * @return a {@link java.lang.String} object.
 129          */
 130         public String getMetaData(MetaDataPropertyName metaDataPropertyName){
 131                 String property = metaDataMap.get(metaDataPropertyName);
 132                 return property != null ? property : DEFAULT_ENTRY;
 133         }
 134
 135         /**
 136          * <p>isRunning</p>
 137          *
 138          * @return the running
 139          */
 140         public boolean isRunning() {
 141                 return running;
 142         }
 143
 144         /* (non-Javadoc)
 145          * @see java.lang.Object#toString()
 146          */
 147         /** {@inheritDoc} */
 148         @Override
 149         public String toString() {
 150                 return cdmSource.getName();
 151         }
 152 }