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