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.concurrent.ConcurrentHashSet;
018    import com.liferay.portal.kernel.repository.RepositoryFactory;
019    import com.liferay.portal.kernel.repository.registry.RepositoryDefiner;
020    import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
021    import com.liferay.portal.repository.external.LegacyExternalRepositoryDefiner;
022    import com.liferay.portal.repository.util.ExternalRepositoryFactory;
023    import com.liferay.portal.repository.util.ExternalRepositoryFactoryImpl;
024    import com.liferay.portal.repository.util.ExternalRepositoryFactoryUtil;
025    import com.liferay.portal.util.PropsValues;
026    import com.liferay.registry.Registry;
027    import com.liferay.registry.RegistryUtil;
028    import com.liferay.registry.ServiceReference;
029    import com.liferay.registry.ServiceRegistration;
030    import com.liferay.registry.ServiceTracker;
031    import com.liferay.registry.ServiceTrackerCustomizer;
032    import com.liferay.registry.collections.StringServiceRegistrationMap;
033    
034    import java.util.Collection;
035    import java.util.List;
036    import java.util.Map;
037    import java.util.Set;
038    import java.util.concurrent.ConcurrentHashMap;
039    
040    /**
041     * @author Adolfo P??rez
042     */
043    public class RepositoryClassDefinitionCatalogImpl
044            implements RepositoryClassDefinitionCatalog {
045    
046            @Override
047            public Collection<String> getExternalRepositoryClassNames() {
048                    return _externalRepositoriesClassNames;
049            }
050    
051            @Override
052            public RepositoryClassDefinition getRepositoryClassDefinition(
053                    String className) {
054    
055                    return _repositoryClassDefinitions.get(className);
056            }
057    
058            public void loadDefaultRepositoryDefiners() {
059                    Registry registry = RegistryUtil.getRegistry();
060    
061                    _serviceTracker = registry.trackServices(
062                            RepositoryDefiner.class,
063                            new RepositoryDefinerServiceTrackerCustomizer());
064    
065                    _serviceTracker.open();
066    
067                    for (RepositoryDefiner repositoryDefiner : _repositoryDefiners) {
068                            registerRepositoryDefiner(repositoryDefiner);
069                    }
070    
071                    ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();
072    
073                    for (String className : PropsValues.DL_REPOSITORY_IMPL) {
074                            ExternalRepositoryFactory externalRepositoryFactory =
075                                    new ExternalRepositoryFactoryImpl(className, classLoader);
076    
077                            registerLegacyExternalRepositoryFactory(
078                                    className, externalRepositoryFactory);
079                    }
080            }
081    
082            @Override
083            public void registerLegacyExternalRepositoryFactory(
084                    String className, ExternalRepositoryFactory externalRepositoryFactory) {
085    
086                    ExternalRepositoryFactoryUtil.registerExternalRepositoryFactory(
087                            className, externalRepositoryFactory);
088    
089                    RepositoryDefiner repositoryDefiner =
090                            new LegacyExternalRepositoryDefiner(
091                                    className, _legacyExternalRepositoryFactory);
092    
093                    ServiceRegistration<RepositoryDefiner> serviceRegistration =
094                            registerRepositoryDefiner(repositoryDefiner);
095    
096                    _serviceRegistrations.put(className, serviceRegistration);
097            }
098    
099            public void setLegacyExternalRepositoryFactory(
100                    RepositoryFactory legacyExternalRepositoryFactory) {
101    
102                    _legacyExternalRepositoryFactory = legacyExternalRepositoryFactory;
103            }
104    
105            public void setRepositoryDefiners(
106                    List<RepositoryDefiner> repositoryDefiners) {
107    
108                    _repositoryDefiners = repositoryDefiners;
109            }
110    
111            @Override
112            public void unregisterLegacyExternalRepositoryFactory(String className) {
113                    ExternalRepositoryFactoryUtil.unregisterExternalRepositoryFactory(
114                            className);
115    
116                    ServiceRegistration<RepositoryDefiner> serviceRegistration =
117                            _serviceRegistrations.remove(className);
118    
119                    serviceRegistration.unregister();
120    
121                    unregisterRepositoryDefiner(className);
122            }
123    
124            protected RepositoryClassDefinition createRepositoryClassDefinition(
125                    RepositoryDefiner repositoryDefiner) {
126    
127                    RepositoryClassDefinition repositoryClassDefinition =
128                            new RepositoryClassDefinition(repositoryDefiner);
129    
130                    repositoryDefiner.registerRepositoryFactory(repositoryClassDefinition);
131                    repositoryDefiner.registerRepositoryEventListeners(
132                            repositoryClassDefinition);
133    
134                    return repositoryClassDefinition;
135            }
136    
137            protected ServiceRegistration<RepositoryDefiner>
138                    registerRepositoryDefiner(
139                            RepositoryDefiner repositoryDefiner) {
140    
141                    Registry registry = RegistryUtil.getRegistry();
142    
143                    return registry.registerService(
144                            RepositoryDefiner.class, repositoryDefiner);
145            }
146    
147            protected void unregisterRepositoryDefiner(String className) {
148                    _externalRepositoriesClassNames.remove(className);
149    
150                    _repositoryClassDefinitions.remove(className);
151            }
152    
153            private final Set<String> _externalRepositoriesClassNames =
154                    new ConcurrentHashSet<String>();
155            private RepositoryFactory _legacyExternalRepositoryFactory;
156            private final Map<String, RepositoryClassDefinition>
157                    _repositoryClassDefinitions =
158                            new ConcurrentHashMap<String, RepositoryClassDefinition>();
159            private List<RepositoryDefiner> _repositoryDefiners;
160            private final StringServiceRegistrationMap<RepositoryDefiner>
161                    _serviceRegistrations =
162                            new StringServiceRegistrationMap<RepositoryDefiner>();
163            private ServiceTracker<RepositoryDefiner, RepositoryDefiner>
164                    _serviceTracker;
165    
166            private class RepositoryDefinerServiceTrackerCustomizer
167                    implements ServiceTrackerCustomizer
168                            <RepositoryDefiner, RepositoryDefiner> {
169    
170                    @Override
171                    public RepositoryDefiner addingService(
172                            ServiceReference<RepositoryDefiner> serviceReference) {
173    
174                            Registry registry = RegistryUtil.getRegistry();
175    
176                            RepositoryDefiner repositoryDefiner = registry.getService(
177                                    serviceReference);
178    
179                            String className = repositoryDefiner.getClassName();
180    
181                            if (repositoryDefiner.isExternalRepository()) {
182                                    _externalRepositoriesClassNames.add(className);
183                            }
184    
185                            _repositoryClassDefinitions.put(
186                                    className, createRepositoryClassDefinition(repositoryDefiner));
187    
188                            return repositoryDefiner;
189                    }
190    
191                    @Override
192                    public void modifiedService(
193                            ServiceReference<RepositoryDefiner> serviceReference,
194                            RepositoryDefiner repositoryDefiner) {
195    
196                            String className = repositoryDefiner.getClassName();
197    
198                            if (repositoryDefiner.isExternalRepository()) {
199                                    _externalRepositoriesClassNames.add(className);
200                            }
201                            else {
202                                    _externalRepositoriesClassNames.remove(className);
203                            }
204    
205                            _repositoryClassDefinitions.put(
206                                    repositoryDefiner.getClassName(),
207                                    createRepositoryClassDefinition(repositoryDefiner));
208                    }
209    
210                    @Override
211                    public void removedService(
212                            ServiceReference<RepositoryDefiner> serviceReference,
213                            RepositoryDefiner repositoryDefiner) {
214    
215                            unregisterRepositoryDefiner(repositoryDefiner.getClassName());
216                    }
217    
218            }
219    
220    }