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