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.cache.CacheRegistryItem;
018    import com.liferay.portal.kernel.language.LanguageUtil;
019    import com.liferay.portal.kernel.repository.RepositoryFactory;
020    import com.liferay.portal.kernel.repository.registry.RepositoryDefiner;
021    import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
022    import com.liferay.portal.kernel.util.ResourceBundleLoader;
023    import com.liferay.portal.repository.external.LegacyExternalRepositoryDefiner;
024    import com.liferay.portal.repository.util.ExternalRepositoryFactory;
025    import com.liferay.portal.repository.util.ExternalRepositoryFactoryImpl;
026    import com.liferay.portal.repository.util.ExternalRepositoryFactoryUtil;
027    import com.liferay.portal.util.PropsValues;
028    import com.liferay.registry.Registry;
029    import com.liferay.registry.RegistryUtil;
030    import com.liferay.registry.ServiceReference;
031    import com.liferay.registry.ServiceRegistration;
032    import com.liferay.registry.ServiceTracker;
033    import com.liferay.registry.ServiceTrackerCustomizer;
034    import com.liferay.registry.collections.StringServiceRegistrationMap;
035    import com.liferay.registry.collections.StringServiceRegistrationMapImpl;
036    
037    import java.util.Collection;
038    import java.util.List;
039    import java.util.Map;
040    import java.util.concurrent.ConcurrentHashMap;
041    
042    /**
043     * @author Adolfo Pérez
044     */
045    public class RepositoryClassDefinitionCatalogImpl
046            implements CacheRegistryItem, RepositoryClassDefinitionCatalog {
047    
048            @Override
049            public Iterable<RepositoryClassDefinition>
050                    getExternalRepositoryClassDefinitions() {
051    
052                    return _externalRepositoryClassDefinitions.values();
053            }
054    
055            @Override
056            public Collection<String> getExternalRepositoryClassNames() {
057                    return _externalRepositoryClassDefinitions.keySet();
058            }
059    
060            @Override
061            public String getRegistryName() {
062                    Class<?> clazz = getClass();
063    
064                    return clazz.getName();
065            }
066    
067            @Override
068            public RepositoryClassDefinition getRepositoryClassDefinition(
069                    String className) {
070    
071                    return _repositoryClassDefinitions.get(className);
072            }
073    
074            @Override
075            public void invalidate() {
076                    for (RepositoryClassDefinition repositoryClassDefinition :
077                                    _repositoryClassDefinitions.values()) {
078    
079                            repositoryClassDefinition.invalidateCache();
080                    }
081            }
082    
083            public void loadDefaultRepositoryDefiners() {
084                    Registry registry = RegistryUtil.getRegistry();
085    
086                    _serviceTracker = registry.trackServices(
087                            RepositoryDefiner.class,
088                            new RepositoryDefinerServiceTrackerCustomizer());
089    
090                    _serviceTracker.open();
091    
092                    for (RepositoryDefiner repositoryDefiner : _repositoryDefiners) {
093                            registerRepositoryDefiner(repositoryDefiner);
094                    }
095    
096                    ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();
097    
098                    for (String className : PropsValues.DL_REPOSITORY_IMPL) {
099                            ExternalRepositoryFactory externalRepositoryFactory =
100                                    new ExternalRepositoryFactoryImpl(className, classLoader);
101    
102                            registerLegacyExternalRepositoryFactory(
103                                    className, externalRepositoryFactory,
104                                    LanguageUtil.getPortalResourceBundleLoader());
105                    }
106            }
107    
108            @Override
109            public void registerLegacyExternalRepositoryFactory(
110                    String className, ExternalRepositoryFactory externalRepositoryFactory,
111                    ResourceBundleLoader resourceBundleLoader) {
112    
113                    ExternalRepositoryFactoryUtil.registerExternalRepositoryFactory(
114                            className, externalRepositoryFactory);
115    
116                    RepositoryDefiner repositoryDefiner =
117                            new LegacyExternalRepositoryDefiner(
118                                    className, _legacyExternalRepositoryFactory,
119                                    resourceBundleLoader);
120    
121                    ServiceRegistration<RepositoryDefiner> serviceRegistration =
122                            registerRepositoryDefiner(repositoryDefiner);
123    
124                    _serviceRegistrations.put(className, serviceRegistration);
125            }
126    
127            public void setLegacyExternalRepositoryFactory(
128                    RepositoryFactory legacyExternalRepositoryFactory) {
129    
130                    _legacyExternalRepositoryFactory = legacyExternalRepositoryFactory;
131            }
132    
133            public void setRepositoryDefiners(
134                    List<RepositoryDefiner> repositoryDefiners) {
135    
136                    _repositoryDefiners = repositoryDefiners;
137            }
138    
139            @Override
140            public void unregisterLegacyExternalRepositoryFactory(String className) {
141                    ExternalRepositoryFactoryUtil.unregisterExternalRepositoryFactory(
142                            className);
143    
144                    ServiceRegistration<RepositoryDefiner> serviceRegistration =
145                            _serviceRegistrations.remove(className);
146    
147                    serviceRegistration.unregister();
148    
149                    unregisterRepositoryDefiner(className);
150            }
151    
152            protected ServiceRegistration<RepositoryDefiner>
153                    registerRepositoryDefiner(
154                            RepositoryDefiner repositoryDefiner) {
155    
156                    Registry registry = RegistryUtil.getRegistry();
157    
158                    return registry.registerService(
159                            RepositoryDefiner.class, repositoryDefiner);
160            }
161    
162            protected void unregisterRepositoryDefiner(String className) {
163                    _externalRepositoryClassDefinitions.remove(className);
164    
165                    _repositoryClassDefinitions.remove(className);
166            }
167    
168            private final Map<String, RepositoryClassDefinition>
169                    _externalRepositoryClassDefinitions = new ConcurrentHashMap<>();
170            private RepositoryFactory _legacyExternalRepositoryFactory;
171            private final Map<String, RepositoryClassDefinition>
172                    _repositoryClassDefinitions = new ConcurrentHashMap<>();
173            private List<RepositoryDefiner> _repositoryDefiners;
174            private final StringServiceRegistrationMap<RepositoryDefiner>
175                    _serviceRegistrations = new StringServiceRegistrationMapImpl<>();
176            private ServiceTracker<RepositoryDefiner, RepositoryDefiner>
177                    _serviceTracker;
178    
179            private class RepositoryDefinerServiceTrackerCustomizer
180                    implements ServiceTrackerCustomizer
181                            <RepositoryDefiner, RepositoryDefiner> {
182    
183                    @Override
184                    public RepositoryDefiner addingService(
185                            ServiceReference<RepositoryDefiner> serviceReference) {
186    
187                            Registry registry = RegistryUtil.getRegistry();
188    
189                            RepositoryDefiner repositoryDefiner = registry.getService(
190                                    serviceReference);
191    
192                            String className = repositoryDefiner.getClassName();
193                            RepositoryClassDefinition repositoryClassDefinition =
194                                    RepositoryClassDefinition.fromRepositoryDefiner(
195                                            repositoryDefiner);
196    
197                            if (repositoryDefiner.isExternalRepository()) {
198                                    _externalRepositoryClassDefinitions.put(
199                                            className, repositoryClassDefinition);
200                            }
201    
202                            _repositoryClassDefinitions.put(
203                                    className, repositoryClassDefinition);
204    
205                            return repositoryDefiner;
206                    }
207    
208                    @Override
209                    public void modifiedService(
210                            ServiceReference<RepositoryDefiner> serviceReference,
211                            RepositoryDefiner repositoryDefiner) {
212    
213                            String className = repositoryDefiner.getClassName();
214                            RepositoryClassDefinition repositoryClassDefinition =
215                                    RepositoryClassDefinition.fromRepositoryDefiner(
216                                            repositoryDefiner);
217    
218                            if (repositoryDefiner.isExternalRepository()) {
219                                    _externalRepositoryClassDefinitions.put(
220                                            className, repositoryClassDefinition);
221                            }
222                            else {
223                                    _externalRepositoryClassDefinitions.remove(className);
224                            }
225    
226                            _repositoryClassDefinitions.put(
227                                    className, repositoryClassDefinition);
228                    }
229    
230                    @Override
231                    public void removedService(
232                            ServiceReference<RepositoryDefiner> serviceReference,
233                            RepositoryDefiner repositoryDefiner) {
234    
235                            unregisterRepositoryDefiner(repositoryDefiner.getClassName());
236                    }
237    
238            }
239    
240    }