cdmlib-model/src/main/java/eu/etaxonomy/cdm/model/CdmBaseType.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2012 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 package eu.etaxonomy.cdm.model;
  11
  12 import java.util.ArrayList;
  13 import java.util.HashSet;
  14 import java.util.List;
  15 import java.util.Set;
  16
  17 import org.springframework.beans.factory.config.BeanDefinition;
  18 import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
  19 import org.springframework.core.type.filter.AssignableTypeFilter;
  20
  21 import eu.etaxonomy.cdm.model.common.CdmBase;
  22 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  23 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  24 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  26
  27 /**
  28  * Enumeration of all abstract CDM base types. Each provides a set of all sub types.
  29  * @author a.kohlbecker
  30  * @date Sep 28, 2012
  31  *
  32  */
  33 public enum CdmBaseType {
  34
  35     TAXON(TaxonBase.class),
  36     NONVIRALNAME(TaxonNameBase.class),
  37     DESCRIPTION_ELEMENT(DescriptionElementBase.class),
  38     DESCRIPTION(DescriptionBase.class);
  39     // TODO add all others
  40
  41     private Class<? extends CdmBase> baseClass;
  42
  43     private Set<Class<? extends CdmBase>> subClasses;
  44
  45     CdmBaseType(Class<? extends CdmBase> baseClass){
  46         this.baseClass = baseClass;
  47         try {
  48             subClasses = subclassesFor(baseClass);
  49         } catch (ClassNotFoundException e) {
  50             throw new RuntimeException(e);
  51         }
  52     }
  53
  54     public static Set<Class<? extends CdmBase>> subclassesFor(Class<? extends CdmBase> clazz) throws ClassNotFoundException{
  55
  56         Set<Class<? extends CdmBase>> subClasses = new HashSet<Class<? extends CdmBase>>();
  57         ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(true);
  58         provider.addIncludeFilter(new AssignableTypeFilter(clazz));
  59
  60         // scan only in eu.etaxonomy.cdm.model
  61         Set<BeanDefinition> components = provider.findCandidateComponents("eu/etaxonomy/cdm/model");
  62         for (BeanDefinition component : components)
  63         {
  64             subClasses.add((Class<? extends CdmBase>) Class.forName(component.getBeanClassName()));
  65         }
  66         return subClasses;
  67     }
  68
  69     public Set<Class<? extends CdmBase>> getSubClasses() {
  70         return subClasses;
  71     }
  72
  73     public Class<? extends CdmBase> getBaseClass() {
  74         return baseClass;
  75     }
  76
  77     public List<String> getSubClassNames() {
  78         List<String> names = new ArrayList<String>(subClasses.size());
  79         for(Class<? extends CdmBase> clazz : subClasses){
  80             names.add(clazz.getName());
  81         }
  82         return names;
  83     }
  84
  85 }