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 package eu.etaxonomy.cdm.io.common;
   7
   8 import org.apache.logging.log4j.LogManager;
   9 import org.apache.logging.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.ICdmApplication;
  14 import eu.etaxonomy.cdm.database.DbSchemaValidation;
  15 import eu.etaxonomy.cdm.database.ICdmDataSource;
  16 import eu.etaxonomy.cdm.io.api.application.CdmIoApplicationController;
  17
  18 /**
  19  * This is an exporter that invokes the application aware defaultExport when
  20  * invoked itself.
  21  *
  22  * @author a.babadshanjan
  23  * @since 17.11.2008
  24  */
  25 public class CdmDefaultIOBase<T extends IIoConfigurator> {
  26
  27     @SuppressWarnings("unused")
  28     private static final Logger logger = LogManager.getLogger();
  29
  30         public static final String DEFAULT_IO_APPLICATION_CONTEXT_RESOURCE = CdmIoApplicationController.DEFAULT_APPLICATION_CONTEXT_RESOURCE;
  31
  32         protected ICdmApplication cdmApp = null;
  33
  34         /**
  35          * Creates a new {@link CdmApplicationController} if it does not exist yet
  36          * or if createNew is <ocde>true</code>
  37          */
  38         protected boolean startApplicationController(IIoConfigurator config,
  39                         ICdmDataSource cdmSource, boolean omitTermLoading, boolean createNew) {
  40                 if (config.getCdmAppController() != null) {
  41                         this.cdmApp = config.getCdmAppController();
  42                 }
  43                 DbSchemaValidation schemaValidation = config.getDbSchemaValidation();
  44                 if (this instanceof CdmDefaultExport) {
  45                         if (schemaValidation.equals(DbSchemaValidation.CREATE)
  46                                         || schemaValidation.equals(DbSchemaValidation.CREATE_DROP)) {
  47                                 throw new IllegalArgumentException(
  48                                                 "The export may not run with DbSchemaValidation.CREATE or DbSchemaValidation.CREATE_DROP as this value deletes the source database");
  49                         }
  50                 }
  51
  52                 if (createNew == true || cdmApp == null) {
  53                         ClassPathResource applicationContextResource = new ClassPathResource(DEFAULT_IO_APPLICATION_CONTEXT_RESOURCE);
  54                         cdmApp = CdmApplicationController.NewInstance(applicationContextResource, cdmSource, schemaValidation,
  55                                 config.getHibernateConfig(), omitTermLoading, config.getProgressMonitor());
  56                         if (cdmApp != null) {
  57                                 return true;
  58                         } else {
  59                                 return false;
  60                         }
  61                 }
  62                 return true;
  63
  64         }
  65
  66         /**
  67          * Returns the {@link CdmApplicationController}. This is null if invoke()
  68          * has not been called yet and if the controller has not been set manually
  69          * by setCdmApp() yet.
  70          *
  71          * @return the cdmApp
  72          */
  73         public ICdmApplication getCdmAppController() {
  74                 return this.cdmApp;
  75         }
  76         /**
  77          * @see #getCdmAppController()
  78          */
  79         public void setCdmAppController(ICdmApplication cdmApp) {
  80                 this.cdmApp = cdmApp;
  81         }
  82 }