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.util;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.repository.InvalidRepositoryIdException;
019    import com.liferay.portal.kernel.repository.LocalRepository;
020    import com.liferay.portal.kernel.repository.RepositoryException;
021    import com.liferay.portal.kernel.repository.RepositoryProviderUtil;
022    import com.liferay.portal.kernel.repository.capabilities.RepositoryEventTriggerCapability;
023    import com.liferay.portal.kernel.repository.event.RepositoryEventTrigger;
024    import com.liferay.portal.kernel.repository.event.RepositoryEventType;
025    
026    /**
027     * @author Adolfo P??rez
028     */
029    public class RepositoryUtil {
030    
031            public static RepositoryEventTrigger getFolderRepositoryEventTrigger(
032                            long folderId)
033                    throws PortalException {
034    
035                    LocalRepository localRepository =
036                            RepositoryProviderUtil.getFolderLocalRepository(folderId);
037    
038                    return getRepositoryEventTrigger(localRepository);
039            }
040    
041            public static long getRepositoryEntryId(
042                            long folderId, long fileEntryId, long fileVersionId)
043                    throws RepositoryException {
044    
045                    long repositoryEntryId = 0;
046    
047                    if (folderId != 0) {
048                            repositoryEntryId = folderId;
049                    }
050                    else if (fileEntryId != 0) {
051                            repositoryEntryId = fileEntryId;
052                    }
053                    else if (fileVersionId != 0) {
054                            repositoryEntryId = fileVersionId;
055                    }
056    
057                    if (repositoryEntryId == 0) {
058                            throw new InvalidRepositoryIdException(
059                                    "Missing a valid ID for folder, file entry, or file version");
060                    }
061    
062                    return repositoryEntryId;
063            }
064    
065            public static RepositoryEventTrigger getRepositoryEventTrigger(
066                            long repositoryId)
067                    throws PortalException {
068    
069                    LocalRepository localRepository =
070                            RepositoryProviderUtil.getLocalRepository(repositoryId);
071    
072                    return getRepositoryEventTrigger(localRepository);
073            }
074    
075            protected static RepositoryEventTrigger getRepositoryEventTrigger(
076                    LocalRepository localRepository) {
077    
078                    if (localRepository.isCapabilityProvided(
079                                    RepositoryEventTriggerCapability.class)) {
080    
081                            return localRepository.getCapability(
082                                    RepositoryEventTriggerCapability.class);
083                    }
084    
085                    return _dummyRepositoryEventTrigger;
086            }
087    
088            private static final RepositoryEventTrigger _dummyRepositoryEventTrigger =
089                    new RepositoryEventTrigger() {
090    
091                            @Override
092                            public <S extends RepositoryEventType, T> void trigger(
093                                    Class<S> repositoryEventTypeClass, Class<T> modelClass,
094                                    T model) {
095                            }
096    
097                    };
098    
099    }