ticket #3178:
[cdmlib.git] / 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.taxon.TaxonBase;
25
26 /**
27 * Enumeration of all abstract CDM base types. Each provides a set of all sub types.
28 * @author a.kohlbecker
29 * @date Sep 28, 2012
30 *
31 */
32 public enum CdmBaseType {
33
34 TAXON(TaxonBase.class),
35 DESCRIPTION_ELEMENT(DescriptionElementBase.class),
36 DESCRIPTION(DescriptionBase.class);
37 // TODO add all others
38
39 private Class<? extends CdmBase> baseClass;
40
41 private Set<Class<? extends CdmBase>> subClasses;
42
43 CdmBaseType(Class<? extends CdmBase> baseClass){
44 this.baseClass = baseClass;
45 try {
46 subClasses = subclassesFor(baseClass);
47 } catch (ClassNotFoundException e) {
48 throw new RuntimeException(e);
49 }
50 }
51
52 public static Set<Class<? extends CdmBase>> subclassesFor(Class<? extends CdmBase> clazz) throws ClassNotFoundException{
53
54 Set<Class<? extends CdmBase>> subClasses = new HashSet<Class<? extends CdmBase>>();
55 ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(true);
56 provider.addIncludeFilter(new AssignableTypeFilter(clazz));
57
58 // scan only in eu.etaxonomy.cdm.model
59 Set<BeanDefinition> components = provider.findCandidateComponents("eu/etaxonomy/cdm/model");
60 for (BeanDefinition component : components)
61 {
62 subClasses.add((Class<? extends CdmBase>) Class.forName(component.getBeanClassName()));
63 }
64 return subClasses;
65 }
66
67 public Set<Class<? extends CdmBase>> getSubClasses() {
68 return subClasses;
69 }
70
71 public Class<? extends CdmBase> getBaseClass() {
72 return baseClass;
73 }
74
75 public List<String> getSubClassNames() {
76 List<String> names = new ArrayList<String>(subClasses.size());
77 for(Class<? extends CdmBase> clazz : subClasses){
78 names.add(clazz.getName());
79 }
80 return names;
81 }
82
83 }