001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.repository.registry;
016    
017    import com.liferay.portal.kernel.repository.RepositoryFactory;
018    import com.liferay.portal.kernel.repository.registry.RepositoryDefiner;
019    import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
020    import com.liferay.portal.repository.external.LegacyExternalRepositoryDefiner;
021    import com.liferay.portal.repository.util.ExternalRepositoryFactory;
022    import com.liferay.portal.repository.util.ExternalRepositoryFactoryImpl;
023    import com.liferay.portal.repository.util.ExternalRepositoryFactoryUtil;
024    import com.liferay.portal.util.PropsValues;
025    import com.liferay.registry.Registry;
026    import com.liferay.registry.RegistryUtil;
027    import com.liferay.registry.ServiceReference;
028    import com.liferay.registry.ServiceRegistration;
029    import com.liferay.registry.ServiceTracker;
030    import com.liferay.registry.ServiceTrackerCustomizer;
031    import com.liferay.registry.collections.StringServiceRegistrationMap;
032    
033    import java.util.Collection;
034    import java.util.List;
035    import java.util.Map;
036    import java.util.concurrent.ConcurrentHashMap;
037    
038    /**
039     * @author Adolfo P??rez
040     */
041    public class RepositoryClassDefinitionCatalogImpl
042            implements RepositoryClassDefinitionCatalog {
043    
044            @Override
045            public Iterable<RepositoryClassDefinition>
046                    getExternalRepositoryClassDefinitions() {
047    
048                    return _externalRepositoryClassDefinitions.values();
049            }
050    
051            @Override
052            public Collection<String> getExternalRepositoryClassNames() {
053                    return _externalRepositoryClassDefinitions.keySet();
054            }
055    
056            @Override
057            public RepositoryClassDefinition getRepositoryClassDefinition(
058                    String className) {
059    
060                    return _repositoryClassDefinitions.get(className);
061            }
062    
063            public void loadDefaultRepositoryDefiners() {
064                    Registry registry = RegistryUtil.getRegistry();
065    
066                    _serviceTracker = registry.trackServices(
067                            RepositoryDefiner.class,
068                            new RepositoryDefinerServiceTrackerCustomizer());
069    
070                    _serviceTracker.open();
071    
072                    for (RepositoryDefiner repositoryDefiner : _repositoryDefiners) {
073                            registerRepositoryDefiner(repositoryDefiner);
074                    }
075    
076                    ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();
077    
078                    for (String className : PropsValues.DL_REPOSITORY_IMPL) {
079                            ExternalRepositoryFactory externalRepositoryFactory =
080                                    new ExternalRepositoryFactoryImpl(className, classLoader);
081    
082                            registerLegacyExternalRepositoryFactory(
083                                    className, externalRepositoryFactory);
084                    }
085            }
086    
087            @Override
088            public void registerLegacyExternalRepositoryFactory(
089                    String className, ExternalRepositoryFactory externalRepositoryFactory) {
090    
091                    ExternalRepositoryFactoryUtil.registerExternalRepositoryFactory(
092                            className, externalRepositoryFactory);
093    
094                    RepositoryDefiner repositoryDefiner =
095                            new LegacyExternalRepositoryDefiner(
096                                    className, _legacyExternalRepositoryFactory);
097    
098                    ServiceRegistration<RepositoryDefiner> serviceRegistration =
099                            registerRepositoryDefiner(repositoryDefiner);
100    
101                    _serviceRegistrations.put(className, serviceRegistration);
102            }
103    
104            public void setLegacyExternalRepositoryFactory(
105                    RepositoryFactory legacyExternalRepositoryFactory) {
106    
107                    _legacyExternalRepositoryFactory = legacyExternalRepositoryFactory;
108            }
109    
110            public void setRepositoryDefiners(
111                    List<RepositoryDefiner> repositoryDefiners) {
112    
113                    _repositoryDefiners = repositoryDefiners;
114            }
115    
116            @Override
117            public void unregisterLegacyExternalRepositoryFactory(String className) {
118                    ExternalRepositoryFactoryUtil.unregisterExternalRepositoryFactory(
119                            className);
120    
121                    ServiceRegistration<RepositoryDefiner> serviceRegistration =
122                            _serviceRegistrations.remove(className);
123    
124                    serviceRegistration.unregister();
125    
126                    unregisterRepositoryDefiner(className);
127            }
128    
129            protected ServiceRegistration<RepositoryDefiner>
130                    registerRepositoryDefiner(
131                            RepositoryDefiner repositoryDefiner) {
132    
133                    Registry registry = RegistryUtil.getRegistry();
134    
135                    return registry.registerService(
136                            RepositoryDefiner.class, repositoryDefiner);
137            }
138    
139            protected void unregisterRepositoryDefiner(String className) {
140                    _externalRepositoryClassDefinitions.remove(className);
141    
142                    _repositoryClassDefinitions.remove(className);
143            }
144    
145            private final Map<String, RepositoryClassDefinition>
146                    _externalRepositoryClassDefinitions = new ConcurrentHashMap<>();
147            private RepositoryFactory _legacyExternalRepositoryFactory;
148            private final Map<String, RepositoryClassDefinition>
149                    _repositoryClassDefinitions = new ConcurrentHashMap<>();
150            private List<RepositoryDefiner> _repositoryDefiners;
151            private final StringServiceRegistrationMap<RepositoryDefiner>
152                    _serviceRegistrations = new StringServiceRegistrationMap<>();
153            private ServiceTracker<RepositoryDefiner, RepositoryDefiner>
154                    _serviceTracker;
155    
156            private class RepositoryDefinerServiceTrackerCustomizer
157                    implements ServiceTrackerCustomizer
158                            <RepositoryDefiner, RepositoryDefiner> {
159    
160                    @Override
161                    public RepositoryDefiner addingService(
162                            ServiceReference<RepositoryDefiner> serviceReference) {
163    
164                            Registry registry = RegistryUtil.getRegistry();
165    
166                            RepositoryDefiner repositoryDefiner = registry.getService(
167                                    serviceReference);
168    
169                            String className = repositoryDefiner.getClassName();
170                            RepositoryClassDefinition repositoryClassDefinition =
171                                    RepositoryClassDefinition.fromRepositoryDefiner(
172                                            repositoryDefiner);
173    
174                            if (repositoryDefiner.isExternalRepository()) {
175                                    _externalRepositoryClassDefinitions.put(
176                                            className, repositoryClassDefinition);
177                            }
178    
179                            _repositoryClassDefinitions.put(
180                                    className, repositoryClassDefinition);
181    
182                            return repositoryDefiner;
183                    }
184    
185                    @Override
186                    public void modifiedService(
187                            ServiceReference<RepositoryDefiner> serviceReference,
188                            RepositoryDefiner repositoryDefiner) {
189    
190                            String className = repositoryDefiner.getClassName();
191                            RepositoryClassDefinition repositoryClassDefinition =
192                                    RepositoryClassDefinition.fromRepositoryDefiner(
193                                            repositoryDefiner);
194    
195                            if (repositoryDefiner.isExternalRepository()) {
196                                    _externalRepositoryClassDefinitions.put(
197                                            className, repositoryClassDefinition);
198                            }
199                            else {
200                                    _externalRepositoryClassDefinitions.remove(className);
201                            }
202    
203                            _repositoryClassDefinitions.put(
204                                    className, repositoryClassDefinition);
205                    }
206    
207                    @Override
208                    public void removedService(
209                            ServiceReference<RepositoryDefiner> serviceReference,
210                            RepositoryDefiner repositoryDefiner) {
211    
212                            unregisterRepositoryDefiner(repositoryDefiner.getClassName());
213                    }
214    
215            }
216    
217    }