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

   1 /**
   2  * Copyright (C) 2008 EDIT
   3  * European Distributed Institute of Taxonomy
   4  * http://www.e-taxonomy.eu
   5  */
   6
   7 package eu.etaxonomy.cdm.io.common;
   8
   9 import org.apache.log4j.Logger;
  10 import org.springframework.core.io.ClassPathResource;
  11
  12 import eu.etaxonomy.cdm.api.application.CdmApplicationController;
  13 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  14 import eu.etaxonomy.cdm.database.DbSchemaValidation;
  15 import eu.etaxonomy.cdm.database.ICdmDataSource;
  16
  17 /**
  18  * This is an exporter that invokes the application aware defaultExport when
  19  * invoked itself
  20  *
  21  * @author a.babadshanjan
  22  * @created 17.11.2008
  23  */
  24 public class CdmDefaultIOBase<T extends IIoConfigurator> {
  25         @SuppressWarnings("unused")
  26         private static final Logger logger = Logger.getLogger(CdmDefaultIOBase.class);
  27
  28         public static final String DEFAULT_IO_APPLICATION_CONTEXT_RESOURCE = "/eu/etaxonomy/cdm/defaultIoApplicationContext.xml";
  29
  30
  31         protected ICdmApplicationConfiguration cdmApp = null;
  32
  33         /**
  34          * Creates a new {@link CdmApplicationController} if it does not exist yet
  35          * or if createNew is <ocde>true</code>
  36          *
  37          * @param config
  38          * @param destination
  39          * @param omitTermLoading
  40          * @param createNew
  41          * @return
  42          */
  43         protected boolean startApplicationController(IIoConfigurator config,
  44                         ICdmDataSource cdmSource, boolean omitTermLoading, boolean createNew) {
  45                 if (config.getCdmAppController() != null) {
  46                         this.cdmApp = config.getCdmAppController();
  47                 }
  48                 DbSchemaValidation schemaValidation = config.getDbSchemaValidation();
  49                 if (this instanceof CdmDefaultExport) {
  50                         if (schemaValidation.equals(DbSchemaValidation.CREATE)
  51                                         || schemaValidation.equals(DbSchemaValidation.CREATE_DROP)) {
  52                                 throw new IllegalArgumentException(
  53                                                 "The export may not run with DbSchemaValidation.CREATE or DbSchemaValidation.CREATE_DROP as this value deletes the source database");
  54                         }
  55                 }
  56
  57                 if (createNew == true || cdmApp == null) {
  58                         ClassPathResource applicationContextResource = new ClassPathResource(DEFAULT_IO_APPLICATION_CONTEXT_RESOURCE);
  59                         cdmApp = CdmApplicationController.NewInstance(applicationContextResource, cdmSource,schemaValidation, omitTermLoading);
  60                         if (cdmApp != null) {
  61                                 return true;
  62                         } else {
  63                                 return false;
  64                         }
  65                 }
  66                 return true;
  67
  68         }
  69
  70         /**
  71          * Returns the {@link CdmApplicationController}. This is null if invoke()
  72          * has not been called yet and if the controller has not been set manually
  73          * by setCdmApp() yet.
  74          *
  75          * @return the cdmApp
  76          */
  77         public ICdmApplicationConfiguration getCdmAppController() {
  78                 return this.cdmApp;
  79         }
  80
  81         /**
  82          * @param cdmApp
  83          *            the cdmApp to set
  84          */
  85         public void setCdmAppController(ICdmApplicationConfiguration cdmApp) {
  86                 this.cdmApp = cdmApp;
  87         }
  88
  89 }