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.kernel.util;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.repository.LocalRepository;
019    import com.liferay.portal.kernel.repository.capabilities.TemporaryFileEntriesCapability;
020    import com.liferay.portal.kernel.repository.capabilities.TemporaryFileEntriesScope;
021    import com.liferay.portal.kernel.repository.model.FileEntry;
022    import com.liferay.portal.model.Group;
023    import com.liferay.portal.model.Repository;
024    import com.liferay.portal.model.User;
025    import com.liferay.portal.service.GroupLocalServiceUtil;
026    import com.liferay.portal.service.RepositoryLocalServiceUtil;
027    import com.liferay.portal.service.ServiceContext;
028    import com.liferay.portal.service.UserLocalServiceUtil;
029    import com.liferay.portal.util.PortalUtil;
030    import com.liferay.portlet.documentlibrary.model.DLFileEntry;
031    import com.liferay.portlet.documentlibrary.model.DLFolder;
032    import com.liferay.portlet.documentlibrary.model.DLFolderConstants;
033    import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
034    import com.liferay.portlet.documentlibrary.util.DLAppHelperThreadLocal;
035    
036    import java.io.File;
037    import java.io.FileInputStream;
038    import java.io.FileNotFoundException;
039    import java.io.InputStream;
040    
041    import java.util.ArrayList;
042    import java.util.List;
043    import java.util.UUID;
044    
045    /**
046     * @author Sergio Gonz??lez
047     * @author Matthew Kong
048     * @author Alexander Chow
049     * @author Iv??n Zaera
050     */
051    public class TempFileEntryUtil {
052    
053            public static FileEntry addTempFileEntry(
054                            long groupId, long userId, String folderName, String fileName,
055                            File file, String mimeType)
056                    throws PortalException {
057    
058                    InputStream inputStream = null;
059    
060                    try {
061                            inputStream = new FileInputStream(file);
062    
063                            return addTempFileEntry(
064                                    groupId, userId, folderName, fileName, inputStream, mimeType);
065                    }
066                    catch (FileNotFoundException fnfe) {
067                            throw new PortalException(fnfe);
068                    }
069                    finally {
070                            StreamUtil.cleanUp(inputStream);
071                    }
072            }
073    
074            public static FileEntry addTempFileEntry(
075                            long groupId, long userId, String folderName, String fileName,
076                            InputStream inputStream, String mimeType)
077                    throws PortalException {
078    
079                    TemporaryFileEntriesCapability temporaryFileEntriesCapability =
080                            _getTemporaryFileEntriesCapability(groupId);
081    
082                    return temporaryFileEntriesCapability.addTemporaryFileEntry(
083                            new TemporaryFileEntriesScope(_UUID, userId, folderName), fileName,
084                            mimeType, inputStream);
085            }
086    
087            public static void deleteTempFileEntry(long fileEntryId)
088                    throws PortalException {
089    
090                    DLFileEntry dlFileEntry = DLFileEntryLocalServiceUtil.getDLFileEntry(
091                            fileEntryId);
092    
093                    DLFolder dlFolder = dlFileEntry.getFolder();
094    
095                    deleteTempFileEntry(
096                            dlFileEntry.getGroupId(), dlFileEntry.getUserId(),
097                            dlFolder.getName(), dlFileEntry.getTitle());
098            }
099    
100            public static void deleteTempFileEntry(
101                            long groupId, long userId, String folderName, String fileName)
102                    throws PortalException {
103    
104                    TemporaryFileEntriesCapability temporaryFileEntriesCapability =
105                            _getTemporaryFileEntriesCapability(groupId);
106    
107                    temporaryFileEntriesCapability.deleteTemporaryFileEntry(
108                            new TemporaryFileEntriesScope(_UUID, userId, folderName), fileName);
109            }
110    
111            public static FileEntry getTempFileEntry(
112                            long groupId, long userId, String folderName, String fileName)
113                    throws PortalException {
114    
115                    TemporaryFileEntriesCapability temporaryFileEntriesCapability =
116                            _getTemporaryFileEntriesCapability(groupId);
117    
118                    return temporaryFileEntriesCapability.getTemporaryFileEntry(
119                            new TemporaryFileEntriesScope(_UUID, userId, folderName), fileName);
120            }
121    
122            public static String[] getTempFileNames(
123                            long groupId, long userId, String folderName)
124                    throws PortalException {
125    
126                    TemporaryFileEntriesCapability temporaryFileEntriesCapability =
127                            _getTemporaryFileEntriesCapability(groupId);
128    
129                    List<FileEntry> fileEntries =
130                            temporaryFileEntriesCapability.getTemporaryFileEntries(
131                                    new TemporaryFileEntriesScope(_UUID, userId, folderName));
132    
133                    List<String> fileNames = new ArrayList<>();
134    
135                    for (FileEntry fileEntry : fileEntries) {
136                            fileNames.add(fileEntry.getFileName());
137                    }
138    
139                    return ArrayUtil.toStringArray(fileNames);
140            }
141    
142            private static LocalRepository _addPortletRepository(
143                            long groupId, ServiceContext serviceContext)
144                    throws PortalException {
145    
146                    Repository repository = RepositoryLocalServiceUtil.fetchRepository(
147                            groupId, TempFileEntryUtil.class.getName(), StringPool.BLANK);
148    
149                    if (repository != null) {
150                            return RepositoryLocalServiceUtil.getLocalRepositoryImpl(
151                                    repository.getRepositoryId());
152                    }
153    
154                    Group group = GroupLocalServiceUtil.getGroup(groupId);
155    
156                    User user = UserLocalServiceUtil.getDefaultUser(group.getCompanyId());
157    
158                    long classNameId = PortalUtil.getClassNameId(
159                            "com.liferay.portal.repository.temporaryrepository." +
160                                    "TemporaryFileEntryRepository");
161    
162                    UnicodeProperties typeSettingsProperties = new UnicodeProperties();
163    
164                    boolean dlAppHelperEnabled = DLAppHelperThreadLocal.isEnabled();
165    
166                    try {
167                            DLAppHelperThreadLocal.setEnabled(false);
168    
169                            repository = RepositoryLocalServiceUtil.addRepository(
170                                    user.getUserId(), groupId, classNameId,
171                                    DLFolderConstants.DEFAULT_PARENT_FOLDER_ID,
172                                    TempFileEntryUtil.class.getName(), StringPool.BLANK,
173                                    StringPool.BLANK, typeSettingsProperties, true, serviceContext);
174    
175                            return RepositoryLocalServiceUtil.getLocalRepositoryImpl(
176                                    repository.getRepositoryId());
177                    }
178                    finally {
179                            DLAppHelperThreadLocal.setEnabled(dlAppHelperEnabled);
180                    }
181            }
182    
183            private static TemporaryFileEntriesCapability
184                            _getTemporaryFileEntriesCapability(long groupId)
185                    throws PortalException {
186    
187                    ServiceContext serviceContext = new ServiceContext();
188    
189                    serviceContext.setAddGroupPermissions(true);
190                    serviceContext.setAddGuestPermissions(true);
191    
192                    LocalRepository localRepository = _addPortletRepository(
193                            groupId, serviceContext);
194    
195                    return localRepository.getCapability(
196                            TemporaryFileEntriesCapability.class);
197            }
198    
199            private static final UUID _UUID = UUID.fromString(
200                    "00EF1134-B3EE-432A-BABD-367CEFA44DE1");
201    
202    }