001    /**
002     * Copyright (c) 2000-2012 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.documentlibrary.action;
016    
017    import com.liferay.portal.DuplicateLockException;
018    import com.liferay.portal.NoSuchRepositoryEntryException;
019    import com.liferay.portal.kernel.exception.PortalException;
020    import com.liferay.portal.kernel.json.JSONArray;
021    import com.liferay.portal.kernel.json.JSONFactoryUtil;
022    import com.liferay.portal.kernel.json.JSONObject;
023    import com.liferay.portal.kernel.language.LanguageUtil;
024    import com.liferay.portal.kernel.portlet.LiferayPortletConfig;
025    import com.liferay.portal.kernel.portlet.LiferayWindowState;
026    import com.liferay.portal.kernel.repository.model.FileEntry;
027    import com.liferay.portal.kernel.repository.model.Folder;
028    import com.liferay.portal.kernel.servlet.ServletResponseConstants;
029    import com.liferay.portal.kernel.servlet.ServletResponseUtil;
030    import com.liferay.portal.kernel.servlet.SessionErrors;
031    import com.liferay.portal.kernel.servlet.SessionMessages;
032    import com.liferay.portal.kernel.upload.UploadException;
033    import com.liferay.portal.kernel.upload.UploadPortletRequest;
034    import com.liferay.portal.kernel.util.Constants;
035    import com.liferay.portal.kernel.util.ContentTypes;
036    import com.liferay.portal.kernel.util.KeyValuePair;
037    import com.liferay.portal.kernel.util.MimeTypesUtil;
038    import com.liferay.portal.kernel.util.ParamUtil;
039    import com.liferay.portal.kernel.util.PropsKeys;
040    import com.liferay.portal.kernel.util.StreamUtil;
041    import com.liferay.portal.kernel.util.StringPool;
042    import com.liferay.portal.kernel.util.StringUtil;
043    import com.liferay.portal.kernel.util.TempFileUtil;
044    import com.liferay.portal.kernel.util.Validator;
045    import com.liferay.portal.security.auth.PrincipalException;
046    import com.liferay.portal.service.ServiceContext;
047    import com.liferay.portal.service.ServiceContextFactory;
048    import com.liferay.portal.struts.ActionConstants;
049    import com.liferay.portal.struts.PortletAction;
050    import com.liferay.portal.theme.ThemeDisplay;
051    import com.liferay.portal.util.PortalUtil;
052    import com.liferay.portal.util.PortletKeys;
053    import com.liferay.portal.util.PrefsPropsUtil;
054    import com.liferay.portal.util.WebKeys;
055    import com.liferay.portlet.PortletPreferencesFactoryUtil;
056    import com.liferay.portlet.asset.AssetCategoryException;
057    import com.liferay.portlet.asset.AssetTagException;
058    import com.liferay.portlet.asset.model.AssetVocabulary;
059    import com.liferay.portlet.assetpublisher.util.AssetPublisherUtil;
060    import com.liferay.portlet.documentlibrary.DuplicateFileException;
061    import com.liferay.portlet.documentlibrary.DuplicateFolderNameException;
062    import com.liferay.portlet.documentlibrary.FileExtensionException;
063    import com.liferay.portlet.documentlibrary.FileMimeTypeException;
064    import com.liferay.portlet.documentlibrary.FileNameException;
065    import com.liferay.portlet.documentlibrary.FileSizeException;
066    import com.liferay.portlet.documentlibrary.InvalidFileEntryTypeException;
067    import com.liferay.portlet.documentlibrary.InvalidFileVersionException;
068    import com.liferay.portlet.documentlibrary.NoSuchFileEntryException;
069    import com.liferay.portlet.documentlibrary.NoSuchFileVersionException;
070    import com.liferay.portlet.documentlibrary.NoSuchFolderException;
071    import com.liferay.portlet.documentlibrary.SourceFileNameException;
072    import com.liferay.portlet.documentlibrary.model.DLFileEntry;
073    import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;
074    import com.liferay.portlet.documentlibrary.util.DLUtil;
075    import com.liferay.portlet.dynamicdatamapping.StorageFieldRequiredException;
076    
077    import java.io.InputStream;
078    
079    import java.util.ArrayList;
080    import java.util.Arrays;
081    import java.util.HashMap;
082    import java.util.List;
083    import java.util.Map;
084    
085    import javax.portlet.ActionRequest;
086    import javax.portlet.ActionResponse;
087    import javax.portlet.PortletConfig;
088    import javax.portlet.PortletContext;
089    import javax.portlet.PortletPreferences;
090    import javax.portlet.PortletRequestDispatcher;
091    import javax.portlet.RenderRequest;
092    import javax.portlet.RenderResponse;
093    import javax.portlet.ResourceRequest;
094    import javax.portlet.ResourceResponse;
095    import javax.portlet.WindowState;
096    
097    import javax.servlet.http.HttpServletResponse;
098    
099    import org.apache.commons.fileupload.FileUploadBase.IOFileUploadException;
100    import org.apache.struts.action.ActionForm;
101    import org.apache.struts.action.ActionForward;
102    import org.apache.struts.action.ActionMapping;
103    
104    /**
105     * @author Brian Wing Shun Chan
106     * @author Alexander Chow
107     * @author Sergio González
108     * @author Manuel de la Peña
109     * @author Levente Hudák
110     */
111    public class EditFileEntryAction extends PortletAction {
112    
113            @Override
114            public void processAction(
115                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
116                            ActionRequest actionRequest, ActionResponse actionResponse)
117                    throws Exception {
118    
119                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
120    
121                    try {
122                            if (Validator.isNull(cmd)) {
123                                    UploadException uploadException =
124                                            (UploadException)actionRequest.getAttribute(
125                                                    WebKeys.UPLOAD_EXCEPTION);
126    
127                                    if (uploadException != null) {
128                                            if (uploadException.isExceededSizeLimit()) {
129                                                    throw new FileSizeException(uploadException.getCause());
130                                            }
131    
132                                            throw new PortalException(uploadException.getCause());
133                                    }
134                            }
135                            else if (cmd.equals(Constants.ADD) ||
136                                             cmd.equals(Constants.UPDATE) ||
137                                             cmd.equals(Constants.UPDATE_AND_CHECKIN)) {
138    
139                                    updateFileEntry(portletConfig, actionRequest, actionResponse);
140                            }
141                            else if (cmd.equals(Constants.ADD_MULTIPLE)) {
142                                    addMultipleFileEntries(actionRequest, actionResponse);
143                            }
144                            else if (cmd.equals(Constants.ADD_TEMP)) {
145                                    addTempFileEntry(actionRequest);
146                            }
147                            else if (cmd.equals(Constants.DELETE)) {
148                                    deleteFileEntry(
149                                            (LiferayPortletConfig)portletConfig, actionRequest, false);
150                            }
151                            else if (cmd.equals(Constants.DELETE_TEMP)) {
152                                    deleteTempFileEntry(actionRequest, actionResponse);
153                            }
154                            else if (cmd.equals(Constants.CANCEL_CHECKOUT)) {
155                                    cancelFileEntriesCheckOut(actionRequest);
156                            }
157                            else if (cmd.equals(Constants.CHECKIN)) {
158                                    checkInFileEntries(actionRequest);
159                            }
160                            else if (cmd.equals(Constants.CHECKOUT)) {
161                                    checkOutFileEntries(actionRequest);
162                            }
163                            else if (cmd.equals(Constants.MOVE)) {
164                                    moveFileEntries(actionRequest, false);
165                            }
166                            else if (cmd.equals(Constants.MOVE_FROM_TRASH)) {
167                                    moveFileEntries(actionRequest, true);
168                            }
169                            else if (cmd.equals(Constants.MOVE_TO_TRASH)) {
170                                    deleteFileEntry(
171                                            (LiferayPortletConfig)portletConfig, actionRequest, true);
172                            }
173                            else if (cmd.equals(Constants.REVERT)) {
174                                    revertFileEntry(actionRequest);
175                            }
176    
177                            WindowState windowState = actionRequest.getWindowState();
178    
179                            if (cmd.equals(Constants.ADD_TEMP) ||
180                                    cmd.equals(Constants.DELETE_TEMP)) {
181    
182                                    setForward(actionRequest, ActionConstants.COMMON_NULL);
183                            }
184                            else if (cmd.equals(Constants.PREVIEW)) {
185                            }
186                            else if (!cmd.equals(Constants.MOVE_FROM_TRASH) &&
187                                             !windowState.equals(LiferayWindowState.POP_UP)) {
188    
189                                    sendRedirect(actionRequest, actionResponse);
190                            }
191                            else {
192                                    String redirect = PortalUtil.escapeRedirect(
193                                            ParamUtil.getString(actionRequest, "redirect"));
194    
195                                    if (Validator.isNotNull(redirect)) {
196                                            actionResponse.sendRedirect(redirect);
197                                    }
198                            }
199                    }
200                    catch (Exception e) {
201                            handleUploadException(actionRequest, actionResponse, cmd, e);
202                    }
203            }
204    
205            @Override
206            public ActionForward render(
207                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
208                            RenderRequest renderRequest, RenderResponse renderResponse)
209                    throws Exception {
210    
211                    try {
212                            ActionUtil.getFileEntry(renderRequest);
213                    }
214                    catch (Exception e) {
215                            if (e instanceof NoSuchFileEntryException ||
216                                    e instanceof NoSuchFileVersionException ||
217                                    e instanceof NoSuchRepositoryEntryException ||
218                                    e instanceof PrincipalException) {
219    
220                                    SessionErrors.add(renderRequest, e.getClass());
221    
222                                    return mapping.findForward("portlet.document_library.error");
223                            }
224                            else {
225                                    throw e;
226                            }
227                    }
228    
229                    String forward = "portlet.document_library.edit_file_entry";
230    
231                    return mapping.findForward(getForward(renderRequest, forward));
232            }
233    
234            @Override
235            public void serveResource(
236                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
237                            ResourceRequest resourceRequest, ResourceResponse resourceResponse)
238                    throws Exception {
239    
240                    PortletContext portletContext = portletConfig.getPortletContext();
241    
242                    PortletRequestDispatcher portletRequestDispatcher =
243                            portletContext.getRequestDispatcher(
244                                    "/html/portlet/document_library/" +
245                                            "upload_multiple_file_entries_resources.jsp");
246    
247                    portletRequestDispatcher.include(resourceRequest, resourceResponse);
248            }
249    
250            protected void addMultipleFileEntries(
251                            ActionRequest actionRequest, ActionResponse actionResponse)
252                    throws Exception {
253    
254                    List<String> validFileNames = new ArrayList<String>();
255                    List<KeyValuePair> invalidFileNameKVPs = new ArrayList<KeyValuePair>();
256    
257                    String[] selectedFileNames = ParamUtil.getParameterValues(
258                            actionRequest, "selectedFileName");
259    
260                    for (String selectedFileName : selectedFileNames) {
261                            addMultipleFileEntries(
262                                    actionRequest, actionResponse, selectedFileName, validFileNames,
263                                    invalidFileNameKVPs);
264                    }
265    
266                    JSONArray jsonArray = JSONFactoryUtil.createJSONArray();
267    
268                    for (String validFileName : validFileNames) {
269                            JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
270    
271                            jsonObject.put("added", Boolean.TRUE);
272                            jsonObject.put("fileName", validFileName);
273    
274                            jsonArray.put(jsonObject);
275                    }
276    
277                    for (KeyValuePair invalidFileNameKVP : invalidFileNameKVPs) {
278                            String fileName = invalidFileNameKVP.getKey();
279                            String errorMessage = invalidFileNameKVP.getValue();
280    
281                            JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
282    
283                            jsonObject.put("added", Boolean.FALSE);
284                            jsonObject.put("errorMessage", errorMessage);
285                            jsonObject.put("fileName", fileName);
286    
287                            jsonArray.put(jsonObject);
288                    }
289    
290                    writeJSON(actionRequest, actionResponse, jsonArray);
291            }
292    
293            protected void addMultipleFileEntries(
294                            ActionRequest actionRequest, ActionResponse actionResponse,
295                            String selectedFileName, List<String> validFileNames,
296                            List<KeyValuePair> invalidFileNameKVPs)
297                    throws Exception {
298    
299                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
300                            WebKeys.THEME_DISPLAY);
301    
302                    long repositoryId = ParamUtil.getLong(actionRequest, "repositoryId");
303                    long folderId = ParamUtil.getLong(actionRequest, "folderId");
304                    String contentType = MimeTypesUtil.getContentType(selectedFileName);
305                    String description = ParamUtil.getString(actionRequest, "description");
306                    String changeLog = ParamUtil.getString(actionRequest, "changeLog");
307    
308                    String tempFileName = TempFileUtil.getTempFileName(
309                            themeDisplay.getUserId(), selectedFileName, _TEMP_FOLDER_NAME);
310    
311                    try {
312                            InputStream inputStream = TempFileUtil.getTempFileAsStream(
313                                    tempFileName);
314                            long size = TempFileUtil.getTempFileSize(tempFileName);
315    
316                            ServiceContext serviceContext = ServiceContextFactory.getInstance(
317                                    DLFileEntry.class.getName(), actionRequest);
318    
319                            FileEntry fileEntry = DLAppServiceUtil.addFileEntry(
320                                    repositoryId, folderId, selectedFileName, contentType,
321                                    selectedFileName, description, changeLog, inputStream, size,
322                                    serviceContext);
323    
324                            AssetPublisherUtil.addAndStoreSelection(
325                                    actionRequest, DLFileEntry.class.getName(),
326                                    fileEntry.getFileEntryId(), -1);
327    
328                            AssetPublisherUtil.addRecentFolderId(
329                                    actionRequest, DLFileEntry.class.getName(), folderId);
330    
331                            validFileNames.add(selectedFileName);
332    
333                            return;
334                    }
335                    catch (Exception e) {
336                            String errorMessage = getAddMultipleFileEntriesErrorMessage(
337                                    themeDisplay, e);
338    
339                            invalidFileNameKVPs.add(
340                                    new KeyValuePair(selectedFileName, errorMessage));
341                    }
342                    finally {
343                            TempFileUtil.deleteTempFile(tempFileName);
344                    }
345            }
346    
347            protected void addTempFileEntry(ActionRequest actionRequest)
348                    throws Exception {
349    
350                    UploadPortletRequest uploadPortletRequest =
351                            PortalUtil.getUploadPortletRequest(actionRequest);
352    
353                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
354                            WebKeys.THEME_DISPLAY);
355    
356                    long folderId = ParamUtil.getLong(uploadPortletRequest, "folderId");
357                    String sourceFileName = uploadPortletRequest.getFileName("file");
358    
359                    InputStream inputStream = null;
360    
361                    try {
362                            inputStream = uploadPortletRequest.getFileAsStream("file");
363    
364                            DLAppServiceUtil.addTempFileEntry(
365                                    themeDisplay.getScopeGroupId(), folderId, sourceFileName,
366                                    _TEMP_FOLDER_NAME, inputStream);
367                    }
368                    catch (Exception e) {
369                            UploadException uploadException =
370                                    (UploadException)actionRequest.getAttribute(
371                                            WebKeys.UPLOAD_EXCEPTION);
372    
373                            if ((uploadException != null) &&
374                                    (uploadException.getCause() instanceof IOFileUploadException)) {
375    
376                                    // Cancelled a temporary upload
377    
378                            }
379                            else if ((uploadException != null) &&
380                                             uploadException.isExceededSizeLimit()) {
381    
382                                    throw new FileSizeException(uploadException.getCause());
383                            }
384                            else {
385                                    throw e;
386                            }
387                    }
388                    finally {
389                            StreamUtil.cleanUp(inputStream);
390                    }
391            }
392    
393            protected void cancelFileEntriesCheckOut(ActionRequest actionRequest)
394                    throws Exception {
395    
396                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
397    
398                    if (fileEntryId > 0) {
399                            DLAppServiceUtil.cancelCheckOut(fileEntryId);
400                    }
401                    else {
402                            long[] fileEntryIds = StringUtil.split(
403                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
404    
405                            for (int i = 0; i < fileEntryIds.length; i++) {
406                                    DLAppServiceUtil.cancelCheckOut(fileEntryIds[i]);
407                            }
408                    }
409            }
410    
411            protected void checkInFileEntries(ActionRequest actionRequest)
412                    throws Exception {
413    
414                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
415    
416                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
417                            actionRequest);
418    
419                    if (fileEntryId > 0) {
420                            DLAppServiceUtil.checkInFileEntry(
421                                    fileEntryId, false, StringPool.BLANK, serviceContext);
422                    }
423                    else {
424                            long[] fileEntryIds = StringUtil.split(
425                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
426    
427                            for (int i = 0; i < fileEntryIds.length; i++) {
428                                    DLAppServiceUtil.checkInFileEntry(
429                                            fileEntryIds[i], false, StringPool.BLANK, serviceContext);
430                            }
431                    }
432            }
433    
434            protected void checkOutFileEntries(ActionRequest actionRequest)
435                    throws Exception {
436    
437                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
438    
439                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
440                            actionRequest);
441    
442                    if (fileEntryId > 0) {
443                            DLAppServiceUtil.checkOutFileEntry(fileEntryId, serviceContext);
444                    }
445                    else {
446                            long[] fileEntryIds = StringUtil.split(
447                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
448    
449                            for (int i = 0; i < fileEntryIds.length; i++) {
450                                    DLAppServiceUtil.checkOutFileEntry(
451                                            fileEntryIds[i], serviceContext);
452                            }
453                    }
454            }
455    
456            protected void deleteFileEntry(
457                            LiferayPortletConfig liferayPortletConfig,
458                            ActionRequest actionRequest, boolean moveToTrash)
459                    throws Exception {
460    
461                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
462    
463                    if (fileEntryId == 0) {
464                            return;
465                    }
466    
467                    String version = ParamUtil.getString(actionRequest, "version");
468    
469                    if (Validator.isNotNull(version)) {
470                            DLAppServiceUtil.deleteFileVersion(fileEntryId, version);
471    
472                            return;
473                    }
474    
475                    if (!moveToTrash) {
476                            DLAppServiceUtil.deleteFileEntry(fileEntryId);
477    
478                            return;
479                    }
480    
481                    DLAppServiceUtil.moveFileEntryToTrash(fileEntryId);
482    
483                    Map<String, String[]> data = new HashMap<String, String[]>();
484    
485                    data.put(
486                            "restoreFileEntryIds", new String[] {String.valueOf(fileEntryId)});
487    
488                    SessionMessages.add(
489                            actionRequest,
490                            liferayPortletConfig.getPortletId() +
491                                    SessionMessages.KEY_SUFFIX_DELETE_SUCCESS_DATA,
492                            data);
493    
494                    SessionMessages.add(
495                            actionRequest,
496                            liferayPortletConfig.getPortletId() +
497                                    SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_SUCCESS_MESSAGE);
498            }
499    
500            protected void deleteTempFileEntry(
501                            ActionRequest actionRequest, ActionResponse actionResponse)
502                    throws Exception {
503    
504                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
505                            WebKeys.THEME_DISPLAY);
506    
507                    long folderId = ParamUtil.getLong(actionRequest, "folderId");
508                    String fileName = ParamUtil.getString(actionRequest, "fileName");
509    
510                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
511    
512                    try {
513                            DLAppServiceUtil.deleteTempFileEntry(
514                                    themeDisplay.getScopeGroupId(), folderId, fileName,
515                                    _TEMP_FOLDER_NAME);
516    
517                            jsonObject.put("deleted", Boolean.TRUE);
518                    }
519                    catch (Exception e) {
520                            String errorMessage = LanguageUtil.get(
521                                    themeDisplay.getLocale(),
522                                    "an-unexpected-error-occurred-while-deleting-the-file");
523    
524                            jsonObject.put("deleted", Boolean.FALSE);
525                            jsonObject.put("errorMessage", errorMessage);
526                    }
527    
528                    writeJSON(actionRequest, actionResponse, jsonObject);
529            }
530    
531            protected String getAddMultipleFileEntriesErrorMessage(
532                            ThemeDisplay themeDisplay, Exception e)
533                    throws Exception {
534    
535                    String errorMessage = null;
536    
537                    if (e instanceof AssetCategoryException) {
538                            AssetCategoryException ace = (AssetCategoryException)e;
539    
540                            AssetVocabulary assetVocabulary = ace.getVocabulary();
541    
542                            String vocabularyTitle = StringPool.BLANK;
543    
544                            if (assetVocabulary != null) {
545                                    vocabularyTitle = assetVocabulary.getTitle(
546                                            themeDisplay.getLocale());
547                            }
548    
549                            if (ace.getType() == AssetCategoryException.AT_LEAST_ONE_CATEGORY) {
550                                    errorMessage = LanguageUtil.format(
551                                            themeDisplay.getLocale(),
552                                            "please-select-at-least-one-category-for-x",
553                                            vocabularyTitle);
554                            }
555                            else if (ace.getType() ==
556                                                    AssetCategoryException.TOO_MANY_CATEGORIES) {
557    
558                                    errorMessage = LanguageUtil.format(
559                                            themeDisplay.getLocale(),
560                                            "you-cannot-select-more-than-one-category-for-x",
561                                            vocabularyTitle);
562                            }
563                    }
564                    else if (e instanceof DuplicateFileException) {
565                            errorMessage = LanguageUtil.get(
566                                    themeDisplay.getLocale(),
567                                    "the-folder-you-selected-already-has-an-entry-with-this-name." +
568                                            "-please-select-a-different-folder");
569                    }
570                    else if (e instanceof FileExtensionException) {
571                            errorMessage = LanguageUtil.format(
572                                    themeDisplay.getLocale(),
573                                    "please-enter-a-file-with-a-valid-extension-x",
574                                    StringUtil.merge(
575                                            PrefsPropsUtil.getStringArray(
576                                                    PropsKeys.DL_FILE_EXTENSIONS, StringPool.COMMA)));
577                    }
578                    else if (e instanceof FileNameException) {
579                            errorMessage = LanguageUtil.get(
580                                    themeDisplay.getLocale(),
581                                    "please-enter-a-file-with-a-valid-file-name");
582                    }
583                    else if (e instanceof FileSizeException) {
584                            long maxSizeMB = PrefsPropsUtil.getLong(
585                                    PropsKeys.DL_FILE_MAX_SIZE) / 1024 / 1024;
586    
587                            errorMessage = LanguageUtil.format(
588                                    themeDisplay.getLocale(),
589                                    "file-size-is-larger-than-x-megabytes", maxSizeMB);
590                    }
591                    else if (e instanceof InvalidFileEntryTypeException) {
592                            errorMessage = LanguageUtil.get(
593                                    themeDisplay.getLocale(),
594                                    "the-document-type-you-selected-is-not-valid-for-this-folder");
595                    }
596                    else {
597                            errorMessage = LanguageUtil.get(
598                                    themeDisplay.getLocale(),
599                                    "an-unexpected-error-occurred-while-saving-your-document");
600                    }
601    
602                    return errorMessage;
603            }
604    
605            protected void handleUploadException(
606                            ActionRequest actionRequest, ActionResponse actionResponse,
607                            String cmd, Exception e)
608                    throws Exception {
609    
610                    if (e instanceof AssetCategoryException ||
611                            e instanceof AssetTagException) {
612    
613                            SessionErrors.add(actionRequest, e.getClass(), e);
614                    }
615                    else if (e instanceof DuplicateFileException ||
616                                     e instanceof DuplicateFolderNameException ||
617                                     e instanceof FileExtensionException ||
618                                     e instanceof FileMimeTypeException ||
619                                     e instanceof FileNameException ||
620                                     e instanceof FileSizeException ||
621                                     e instanceof NoSuchFolderException ||
622                                     e instanceof SourceFileNameException ||
623                                     e instanceof StorageFieldRequiredException) {
624    
625                            if (!cmd.equals(Constants.ADD_MULTIPLE) &&
626                                    !cmd.equals(Constants.ADD_TEMP)) {
627    
628                                    SessionErrors.add(actionRequest, e.getClass());
629    
630                                    return;
631                            }
632    
633                            if (e instanceof DuplicateFileException ||
634                                    e instanceof FileExtensionException ||
635                                    e instanceof FileNameException ||
636                                    e instanceof FileSizeException) {
637    
638                                    HttpServletResponse response =
639                                            PortalUtil.getHttpServletResponse(actionResponse);
640    
641                                    response.setContentType(ContentTypes.TEXT_HTML);
642                                    response.setStatus(HttpServletResponse.SC_OK);
643    
644                                    int errorType = 0;
645    
646                                    if (e instanceof DuplicateFileException) {
647                                            errorType =
648                                                    ServletResponseConstants.SC_DUPLICATE_FILE_EXCEPTION;
649                                    }
650                                    else if (e instanceof FileExtensionException) {
651                                            errorType =
652                                                    ServletResponseConstants.SC_FILE_EXTENSION_EXCEPTION;
653                                    }
654                                    else if (e instanceof FileNameException) {
655                                            errorType = ServletResponseConstants.SC_FILE_NAME_EXCEPTION;
656                                    }
657                                    else if (e instanceof FileSizeException) {
658                                            errorType = ServletResponseConstants.SC_FILE_SIZE_EXCEPTION;
659                                    }
660    
661                                    ServletResponseUtil.write(response, String.valueOf(errorType));
662                            }
663    
664                            SessionErrors.add(actionRequest, e.getClass());
665                    }
666                    else if (e instanceof DuplicateLockException ||
667                                     e instanceof InvalidFileVersionException ||
668                                     e instanceof NoSuchFileEntryException ||
669                                     e instanceof PrincipalException) {
670    
671                            if (e instanceof DuplicateLockException) {
672                                    DuplicateLockException dle = (DuplicateLockException)e;
673    
674                                    SessionErrors.add(actionRequest, dle.getClass(), dle.getLock());
675                            }
676                            else {
677                                    SessionErrors.add(actionRequest, e.getClass());
678                            }
679    
680                            setForward(actionRequest, "portlet.document_library.error");
681                    }
682                    else {
683                            throw e;
684                    }
685            }
686    
687            protected void moveFileEntries(
688                            ActionRequest actionRequest, boolean moveFromTrash)
689                    throws Exception {
690    
691                    long[] fileEntryIds = null;
692    
693                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
694    
695                    if (fileEntryId > 0) {
696                            fileEntryIds = new long[] {fileEntryId};
697                    }
698                    else {
699                            fileEntryIds = StringUtil.split(
700                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
701                    }
702    
703                    long newFolderId = ParamUtil.getLong(actionRequest, "newFolderId");
704    
705                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
706                            DLFileEntry.class.getName(), actionRequest);
707    
708                    for (long moveFileEntryId : fileEntryIds) {
709                            if (moveFromTrash) {
710                                    DLAppServiceUtil.moveFileEntryFromTrash(
711                                            moveFileEntryId, newFolderId, serviceContext);
712                            }
713    
714                            else {
715                                    DLAppServiceUtil.moveFileEntry(
716                                            moveFileEntryId, newFolderId, serviceContext);
717                            }
718                    }
719            }
720    
721            protected void revertFileEntry(ActionRequest actionRequest)
722                    throws Exception {
723    
724                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
725                    String version = ParamUtil.getString(actionRequest, "version");
726    
727                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
728                            DLFileEntry.class.getName(), actionRequest);
729    
730                    DLAppServiceUtil.revertFileEntry(fileEntryId, version, serviceContext);
731            }
732    
733            protected void updateFileEntry(
734                            PortletConfig portletConfig, ActionRequest actionRequest,
735                            ActionResponse actionResponse)
736                    throws Exception {
737    
738                    UploadPortletRequest uploadPortletRequest =
739                            PortalUtil.getUploadPortletRequest(actionRequest);
740    
741                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
742                            WebKeys.THEME_DISPLAY);
743    
744                    String cmd = ParamUtil.getString(uploadPortletRequest, Constants.CMD);
745    
746                    long fileEntryId = ParamUtil.getLong(
747                            uploadPortletRequest, "fileEntryId");
748    
749                    long repositoryId = ParamUtil.getLong(
750                            uploadPortletRequest, "repositoryId");
751                    long folderId = ParamUtil.getLong(uploadPortletRequest, "folderId");
752                    String sourceFileName = uploadPortletRequest.getFileName("file");
753                    String title = ParamUtil.getString(uploadPortletRequest, "title");
754                    String description = ParamUtil.getString(
755                            uploadPortletRequest, "description");
756                    String changeLog = ParamUtil.getString(
757                            uploadPortletRequest, "changeLog");
758                    boolean majorVersion = ParamUtil.getBoolean(
759                            uploadPortletRequest, "majorVersion");
760    
761                    if (folderId > 0) {
762                            Folder folder = DLAppServiceUtil.getFolder(folderId);
763    
764                            if (folder.getGroupId() != themeDisplay.getScopeGroupId()) {
765                                    throw new NoSuchFolderException();
766                            }
767                    }
768    
769                    InputStream inputStream = null;
770    
771                    try {
772                            String contentType = uploadPortletRequest.getContentType("file");
773    
774                            long size = uploadPortletRequest.getSize("file");
775    
776                            if (cmd.equals(Constants.ADD) && (size == 0)) {
777                                    contentType = MimeTypesUtil.getContentType(title);
778                            }
779    
780                            if (cmd.equals(Constants.ADD) || (size > 0)) {
781                                    String portletName = portletConfig.getPortletName();
782    
783                                    if (portletName.equals(PortletKeys.MEDIA_GALLERY_DISPLAY)) {
784                                            String portletResource = ParamUtil.getString(
785                                                    actionRequest, "portletResource");
786    
787                                            PortletPreferences portletPreferences = null;
788    
789                                            if (Validator.isNotNull(portletResource)) {
790                                                    PortletPreferencesFactoryUtil.getPortletSetup(
791                                                            actionRequest, portletResource);
792                                            }
793                                            else {
794                                                    portletPreferences = actionRequest.getPreferences();
795                                            }
796    
797                                            String[] mimeTypes = DLUtil.getMediaGalleryMimeTypes(
798                                                    portletPreferences, actionRequest);
799    
800                                            if (Arrays.binarySearch(mimeTypes, contentType) < 0) {
801                                                    throw new FileMimeTypeException(contentType);
802                                            }
803                                    }
804                            }
805    
806                            inputStream = uploadPortletRequest.getFileAsStream("file");
807    
808                            ServiceContext serviceContext = ServiceContextFactory.getInstance(
809                                    DLFileEntry.class.getName(), uploadPortletRequest);
810    
811                            FileEntry fileEntry = null;
812    
813                            if (cmd.equals(Constants.ADD)) {
814    
815                                    // Add file entry
816    
817                                    fileEntry = DLAppServiceUtil.addFileEntry(
818                                            repositoryId, folderId, sourceFileName, contentType, title,
819                                            description, changeLog, inputStream, size, serviceContext);
820    
821                                    AssetPublisherUtil.addAndStoreSelection(
822                                            actionRequest, DLFileEntry.class.getName(),
823                                            fileEntry.getFileEntryId(), -1);
824                            }
825                            else if (cmd.equals(Constants.UPDATE_AND_CHECKIN)) {
826    
827                                    // Update file entry and checkin
828    
829                                    fileEntry = DLAppServiceUtil.updateFileEntryAndCheckIn(
830                                            fileEntryId, sourceFileName, contentType, title,
831                                            description, changeLog, majorVersion, inputStream, size,
832                                            serviceContext);
833                            }
834                            else {
835    
836                                    // Update file entry
837    
838                                    fileEntry = DLAppServiceUtil.updateFileEntry(
839                                            fileEntryId, sourceFileName, contentType, title,
840                                            description, changeLog, majorVersion, inputStream, size,
841                                            serviceContext);
842                            }
843    
844                            AssetPublisherUtil.addRecentFolderId(
845                                    actionRequest, DLFileEntry.class.getName(), folderId);
846                    }
847                    finally {
848                            StreamUtil.cleanUp(inputStream);
849                    }
850            }
851    
852            private static final String _TEMP_FOLDER_NAME =
853                    EditFileEntryAction.class.getName();
854    
855    }