001    /**
002     * Copyright (c) 2000-2013 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.portlet.wiki.lar;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.lar.BaseStagedModelDataHandler;
020    import com.liferay.portal.kernel.lar.ExportImportHelperUtil;
021    import com.liferay.portal.kernel.lar.ExportImportPathUtil;
022    import com.liferay.portal.kernel.lar.PortletDataContext;
023    import com.liferay.portal.kernel.lar.StagedModelDataHandlerUtil;
024    import com.liferay.portal.kernel.log.Log;
025    import com.liferay.portal.kernel.log.LogFactoryUtil;
026    import com.liferay.portal.kernel.repository.model.FileEntry;
027    import com.liferay.portal.kernel.trash.TrashHandler;
028    import com.liferay.portal.kernel.util.MapUtil;
029    import com.liferay.portal.kernel.util.MimeTypesUtil;
030    import com.liferay.portal.kernel.util.StreamUtil;
031    import com.liferay.portal.kernel.util.Validator;
032    import com.liferay.portal.kernel.xml.Element;
033    import com.liferay.portal.service.ServiceContext;
034    import com.liferay.portlet.documentlibrary.NoSuchFileException;
035    import com.liferay.portlet.documentlibrary.lar.FileEntryUtil;
036    import com.liferay.portlet.wiki.NoSuchPageException;
037    import com.liferay.portlet.wiki.model.WikiNode;
038    import com.liferay.portlet.wiki.model.WikiPage;
039    import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
040    
041    import java.io.InputStream;
042    
043    import java.util.List;
044    import java.util.Map;
045    
046    /**
047     * @author Zsolt Berentey
048     */
049    public class WikiPageStagedModelDataHandler
050            extends BaseStagedModelDataHandler<WikiPage> {
051    
052            public static final String[] CLASS_NAMES = {WikiPage.class.getName()};
053    
054            @Override
055            public void deleteStagedModel(
056                            String uuid, long groupId, String className, String extraData)
057                    throws PortalException, SystemException {
058    
059                    WikiPage wikiPage =
060                            WikiPageLocalServiceUtil.fetchWikiPageByUuidAndGroupId(
061                                    uuid, groupId);
062    
063                    if (wikiPage != null) {
064                            WikiPageLocalServiceUtil.deletePage(wikiPage);
065                    }
066            }
067    
068            @Override
069            public String[] getClassNames() {
070                    return CLASS_NAMES;
071            }
072    
073            @Override
074            protected void doExportStagedModel(
075                            PortletDataContext portletDataContext, WikiPage page)
076                    throws Exception {
077    
078                    Element pageElement = portletDataContext.getExportDataElement(page);
079    
080                    StagedModelDataHandlerUtil.exportReferenceStagedModel(
081                            portletDataContext, page, page.getNode(),
082                            PortletDataContext.REFERENCE_TYPE_PARENT);
083    
084                    String content = ExportImportHelperUtil.replaceExportContentReferences(
085                            portletDataContext, page, pageElement, page.getContent(),
086                            portletDataContext.getBooleanParameter(
087                                    WikiPortletDataHandler.NAMESPACE, "referenced-content"));
088    
089                    page.setContent(content);
090    
091                    if (page.isHead()) {
092                            for (FileEntry fileEntry : page.getAttachmentsFileEntries()) {
093                                    StagedModelDataHandlerUtil.exportReferenceStagedModel(
094                                            portletDataContext, page, WikiPage.class, fileEntry,
095                                            FileEntry.class, PortletDataContext.REFERENCE_TYPE_WEAK);
096                            }
097                    }
098    
099                    portletDataContext.addClassedModel(
100                            pageElement, ExportImportPathUtil.getModelPath(page), page);
101            }
102    
103            @Override
104            protected void doImportCompanyStagedModel(
105                            PortletDataContext portletDataContext, String uuid, long pageId)
106                    throws Exception {
107    
108                    WikiPage existingPage =
109                            WikiPageLocalServiceUtil.fetchWikiPageByUuidAndGroupId(
110                                    uuid, portletDataContext.getCompanyGroupId());
111    
112                    Map<Long, Long> pageIds =
113                            (Map<Long, Long>)portletDataContext.getNewPrimaryKeysMap(
114                                    WikiPage.class);
115    
116                    pageIds.put(pageId, existingPage.getPageId());
117            }
118    
119            @Override
120            protected void doImportStagedModel(
121                            PortletDataContext portletDataContext, WikiPage page)
122                    throws Exception {
123    
124                    long userId = portletDataContext.getUserId(page.getUserUuid());
125    
126                    StagedModelDataHandlerUtil.importReferenceStagedModel(
127                            portletDataContext, page, WikiNode.class, page.getNodeId());
128    
129                    Element pageElement =
130                            portletDataContext.getImportDataStagedModelElement(page);
131    
132                    String content = ExportImportHelperUtil.replaceImportContentReferences(
133                            portletDataContext, pageElement, page.getContent(),
134                            portletDataContext.getBooleanParameter(
135                                    WikiPortletDataHandler.NAMESPACE, "referenced-content"));
136    
137                    page.setContent(content);
138    
139                    ServiceContext serviceContext = portletDataContext.createServiceContext(
140                            page);
141    
142                    Map<Long, Long> nodeIds =
143                            (Map<Long, Long>)portletDataContext.getNewPrimaryKeysMap(
144                                    WikiNode.class);
145    
146                    long nodeId = MapUtil.getLong(
147                            nodeIds, page.getNodeId(), page.getNodeId());
148    
149                    WikiPage importedPage = null;
150    
151                    WikiPage existingPage =
152                            WikiPageLocalServiceUtil.fetchWikiPageByUuidAndGroupId(
153                                    page.getUuid(), portletDataContext.getScopeGroupId());
154    
155                    if (existingPage == null) {
156                            try {
157                                    existingPage = WikiPageLocalServiceUtil.getPage(
158                                            nodeId, page.getTitle());
159                            }
160                            catch (NoSuchPageException nspe) {
161                            }
162                    }
163    
164                    if (existingPage == null) {
165                            serviceContext.setUuid(page.getUuid());
166    
167                            importedPage = WikiPageLocalServiceUtil.addPage(
168                                    userId, nodeId, page.getTitle(), page.getVersion(),
169                                    page.getContent(), page.getSummary(), page.isMinorEdit(),
170                                    page.getFormat(), page.getHead(), page.getParentTitle(),
171                                    page.getRedirectTitle(), serviceContext);
172                    }
173                    else {
174                            importedPage = WikiPageLocalServiceUtil.updatePage(
175                                    userId, nodeId, existingPage.getTitle(), 0, page.getContent(),
176                                    page.getSummary(), page.isMinorEdit(), page.getFormat(),
177                                    page.getParentTitle(), page.getRedirectTitle(), serviceContext);
178                    }
179    
180                    if (page.isHead()) {
181                            List<Element> attachmentElements =
182                                    portletDataContext.getReferenceDataElements(
183                                            pageElement, FileEntry.class,
184                                            PortletDataContext.REFERENCE_TYPE_WEAK);
185    
186                            for (Element attachmentElement : attachmentElements) {
187                                    String path = attachmentElement.attributeValue("path");
188    
189                                    FileEntry fileEntry =
190                                            (FileEntry)portletDataContext.getZipEntryAsObject(path);
191    
192                                    InputStream inputStream = null;
193                                    String mimeType = null;
194    
195                                    try {
196                                            String binPath = attachmentElement.attributeValue(
197                                                    "bin-path");
198    
199                                            if (Validator.isNull(binPath) &&
200                                                    portletDataContext.isPerformDirectBinaryImport()) {
201    
202                                                    try {
203                                                            inputStream = FileEntryUtil.getContentStream(
204                                                                    fileEntry);
205                                                    }
206                                                    catch (NoSuchFileException nsfe) {
207                                                    }
208                                            }
209                                            else {
210                                                    inputStream =
211                                                            portletDataContext.getZipEntryAsInputStream(
212                                                                    binPath);
213                                            }
214    
215                                            if (inputStream == null) {
216                                                    if (_log.isWarnEnabled()) {
217                                                            _log.warn(
218                                                                    "Unable to import attachment for file entry " +
219                                                                            fileEntry.getFileEntryId());
220                                                    }
221    
222                                                    continue;
223                                            }
224    
225                                            mimeType = MimeTypesUtil.getContentType(
226                                                    inputStream, fileEntry.getTitle());
227    
228                                            WikiPageLocalServiceUtil.addPageAttachment(
229                                                    userId, importedPage.getNodeId(),
230                                                    importedPage.getTitle(), fileEntry.getTitle(),
231                                                    inputStream, mimeType);
232                                    }
233                                    finally {
234                                            StreamUtil.cleanUp(inputStream);
235                                    }
236                            }
237                    }
238    
239                    portletDataContext.importClassedModel(page, importedPage);
240            }
241    
242            @Override
243            protected void doRestoreStagedModel(
244                            PortletDataContext portletDataContext, WikiPage page)
245                    throws Exception {
246    
247                    long userId = portletDataContext.getUserId(page.getUserUuid());
248    
249                    WikiPage existingPage =
250                            WikiPageLocalServiceUtil.fetchWikiPageByUuidAndGroupId(
251                                    page.getUuid(), portletDataContext.getScopeGroupId());
252    
253                    if ((existingPage == null) || !existingPage.isInTrash()) {
254                            return;
255                    }
256    
257                    TrashHandler trashHandler = existingPage.getTrashHandler();
258    
259                    if (trashHandler.isRestorable(existingPage.getResourcePrimKey())) {
260                            trashHandler.restoreTrashEntry(
261                                    userId, existingPage.getResourcePrimKey());
262                    }
263            }
264    
265            private static Log _log = LogFactoryUtil.getLog(
266                    WikiPageStagedModelDataHandler.class);
267    
268    }