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.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.kernel.workflow.WorkflowConstants;
046    import com.liferay.portal.security.auth.PrincipalException;
047    import com.liferay.portal.service.ServiceContext;
048    import com.liferay.portal.service.ServiceContextFactory;
049    import com.liferay.portal.struts.ActionConstants;
050    import com.liferay.portal.struts.PortletAction;
051    import com.liferay.portal.theme.ThemeDisplay;
052    import com.liferay.portal.util.PortalUtil;
053    import com.liferay.portal.util.PortletKeys;
054    import com.liferay.portal.util.PrefsPropsUtil;
055    import com.liferay.portal.util.WebKeys;
056    import com.liferay.portlet.PortletPreferencesFactoryUtil;
057    import com.liferay.portlet.PortletURLImpl;
058    import com.liferay.portlet.asset.AssetCategoryException;
059    import com.liferay.portlet.asset.AssetTagException;
060    import com.liferay.portlet.asset.model.AssetVocabulary;
061    import com.liferay.portlet.assetpublisher.util.AssetPublisherUtil;
062    import com.liferay.portlet.documentlibrary.DuplicateFileException;
063    import com.liferay.portlet.documentlibrary.DuplicateFolderNameException;
064    import com.liferay.portlet.documentlibrary.FileExtensionException;
065    import com.liferay.portlet.documentlibrary.FileMimeTypeException;
066    import com.liferay.portlet.documentlibrary.FileNameException;
067    import com.liferay.portlet.documentlibrary.FileSizeException;
068    import com.liferay.portlet.documentlibrary.InvalidFileEntryTypeException;
069    import com.liferay.portlet.documentlibrary.InvalidFileVersionException;
070    import com.liferay.portlet.documentlibrary.NoSuchFileEntryException;
071    import com.liferay.portlet.documentlibrary.NoSuchFileVersionException;
072    import com.liferay.portlet.documentlibrary.NoSuchFolderException;
073    import com.liferay.portlet.documentlibrary.SourceFileNameException;
074    import com.liferay.portlet.documentlibrary.model.DLFileEntry;
075    import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;
076    import com.liferay.portlet.documentlibrary.util.DLUtil;
077    import com.liferay.portlet.dynamicdatamapping.StorageFieldRequiredException;
078    
079    import java.io.InputStream;
080    
081    import java.util.ArrayList;
082    import java.util.Arrays;
083    import java.util.HashMap;
084    import java.util.List;
085    import java.util.Map;
086    
087    import javax.portlet.ActionRequest;
088    import javax.portlet.ActionResponse;
089    import javax.portlet.PortletConfig;
090    import javax.portlet.PortletContext;
091    import javax.portlet.PortletPreferences;
092    import javax.portlet.PortletRequest;
093    import javax.portlet.PortletRequestDispatcher;
094    import javax.portlet.RenderRequest;
095    import javax.portlet.RenderResponse;
096    import javax.portlet.ResourceRequest;
097    import javax.portlet.ResourceResponse;
098    import javax.portlet.WindowState;
099    
100    import javax.servlet.http.HttpServletResponse;
101    
102    import org.apache.commons.fileupload.FileUploadBase.IOFileUploadException;
103    import org.apache.struts.action.ActionForm;
104    import org.apache.struts.action.ActionForward;
105    import org.apache.struts.action.ActionMapping;
106    
107    /**
108     * @author Brian Wing Shun Chan
109     * @author Alexander Chow
110     * @author Sergio González
111     * @author Manuel de la Peña
112     * @author Levente Hudák
113     * @author Kenneth Chang
114     */
115    public class EditFileEntryAction extends PortletAction {
116    
117            @Override
118            public void processAction(
119                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
120                            ActionRequest actionRequest, ActionResponse actionResponse)
121                    throws Exception {
122    
123                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
124    
125                    FileEntry fileEntry = null;
126    
127                    try {
128                            if (Validator.isNull(cmd)) {
129                                    UploadException uploadException =
130                                            (UploadException)actionRequest.getAttribute(
131                                                    WebKeys.UPLOAD_EXCEPTION);
132    
133                                    if (uploadException != null) {
134                                            if (uploadException.isExceededSizeLimit()) {
135                                                    throw new FileSizeException(uploadException.getCause());
136                                            }
137    
138                                            throw new PortalException(uploadException.getCause());
139                                    }
140                            }
141                            else if (cmd.equals(Constants.ADD) ||
142                                             cmd.equals(Constants.ADD_DYNAMIC) ||
143                                             cmd.equals(Constants.UPDATE) ||
144                                             cmd.equals(Constants.UPDATE_AND_CHECKIN)) {
145    
146                                    fileEntry = updateFileEntry(
147                                            portletConfig, actionRequest, actionResponse);
148                            }
149                            else if (cmd.equals(Constants.ADD_MULTIPLE)) {
150                                    addMultipleFileEntries(actionRequest, actionResponse);
151                            }
152                            else if (cmd.equals(Constants.ADD_TEMP)) {
153                                    addTempFileEntry(actionRequest);
154                            }
155                            else if (cmd.equals(Constants.DELETE)) {
156                                    deleteFileEntry(
157                                            (LiferayPortletConfig)portletConfig, actionRequest, false);
158                            }
159                            else if (cmd.equals(Constants.DELETE_TEMP)) {
160                                    deleteTempFileEntry(actionRequest, actionResponse);
161                            }
162                            else if (cmd.equals(Constants.CANCEL_CHECKOUT)) {
163                                    cancelFileEntriesCheckOut(actionRequest);
164                            }
165                            else if (cmd.equals(Constants.CHECKIN)) {
166                                    checkInFileEntries(actionRequest);
167                            }
168                            else if (cmd.equals(Constants.CHECKOUT)) {
169                                    checkOutFileEntries(actionRequest);
170                            }
171                            else if (cmd.equals(Constants.MOVE)) {
172                                    moveFileEntries(actionRequest, false);
173                            }
174                            else if (cmd.equals(Constants.MOVE_FROM_TRASH)) {
175                                    moveFileEntries(actionRequest, true);
176                            }
177                            else if (cmd.equals(Constants.MOVE_TO_TRASH)) {
178                                    deleteFileEntry(
179                                            (LiferayPortletConfig)portletConfig, actionRequest, true);
180                            }
181                            else if (cmd.equals(Constants.REVERT)) {
182                                    revertFileEntry(actionRequest);
183                            }
184    
185                            if (cmd.equals(Constants.ADD_TEMP) ||
186                                    cmd.equals(Constants.DELETE_TEMP)) {
187    
188                                    setForward(actionRequest, ActionConstants.COMMON_NULL);
189                            }
190                            else if (cmd.equals(Constants.PREVIEW)) {
191                            }
192                            else if (!cmd.equals(Constants.MOVE_FROM_TRASH)) {
193                                    sendRedirect(actionRequest, actionResponse);
194                            }
195                            else {
196                                    String redirect = ParamUtil.getString(
197                                            actionRequest, "redirect");
198                                    int workflowAction = ParamUtil.getInteger(
199                                            actionRequest, "workflowAction",
200                                            WorkflowConstants.ACTION_SAVE_DRAFT);
201    
202                                    if ((fileEntry != null) &&
203                                            (workflowAction == WorkflowConstants.ACTION_SAVE_DRAFT)) {
204    
205                                            redirect = getSaveAndContinueRedirect(
206                                                    portletConfig, actionRequest, fileEntry, redirect);
207    
208                                            sendRedirect(actionRequest, actionResponse, redirect);
209                                    }
210                                    else {
211                                            WindowState windowState = actionRequest.getWindowState();
212    
213                                            if (!windowState.equals(LiferayWindowState.POP_UP)) {
214                                                    sendRedirect(actionRequest, actionResponse);
215                                            }
216                                            else {
217                                                    redirect = PortalUtil.escapeRedirect(
218                                                            ParamUtil.getString(actionRequest, "redirect"));
219    
220                                                    if (Validator.isNotNull(redirect)) {
221                                                            actionResponse.sendRedirect(redirect);
222                                                    }
223                                            }
224                                    }
225                            }
226                    }
227                    catch (Exception e) {
228                            handleUploadException(actionRequest, actionResponse, cmd, e);
229                    }
230            }
231    
232            @Override
233            public ActionForward render(
234                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
235                            RenderRequest renderRequest, RenderResponse renderResponse)
236                    throws Exception {
237    
238                    try {
239                            ActionUtil.getFileEntry(renderRequest);
240                    }
241                    catch (Exception e) {
242                            if (e instanceof NoSuchFileEntryException ||
243                                    e instanceof NoSuchFileVersionException ||
244                                    e instanceof NoSuchRepositoryEntryException ||
245                                    e instanceof PrincipalException) {
246    
247                                    SessionErrors.add(renderRequest, e.getClass());
248    
249                                    return mapping.findForward("portlet.document_library.error");
250                            }
251                            else {
252                                    throw e;
253                            }
254                    }
255    
256                    String forward = "portlet.document_library.edit_file_entry";
257    
258                    return mapping.findForward(getForward(renderRequest, forward));
259            }
260    
261            @Override
262            public void serveResource(
263                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
264                            ResourceRequest resourceRequest, ResourceResponse resourceResponse)
265                    throws Exception {
266    
267                    PortletContext portletContext = portletConfig.getPortletContext();
268    
269                    PortletRequestDispatcher portletRequestDispatcher =
270                            portletContext.getRequestDispatcher(
271                                    "/html/portlet/document_library/" +
272                                            "upload_multiple_file_entries_resources.jsp");
273    
274                    portletRequestDispatcher.include(resourceRequest, resourceResponse);
275            }
276    
277            protected void addMultipleFileEntries(
278                            ActionRequest actionRequest, ActionResponse actionResponse)
279                    throws Exception {
280    
281                    List<String> validFileNames = new ArrayList<String>();
282                    List<KeyValuePair> invalidFileNameKVPs = new ArrayList<KeyValuePair>();
283    
284                    String[] selectedFileNames = ParamUtil.getParameterValues(
285                            actionRequest, "selectedFileName");
286    
287                    for (String selectedFileName : selectedFileNames) {
288                            addMultipleFileEntries(
289                                    actionRequest, actionResponse, selectedFileName, validFileNames,
290                                    invalidFileNameKVPs);
291                    }
292    
293                    JSONArray jsonArray = JSONFactoryUtil.createJSONArray();
294    
295                    for (String validFileName : validFileNames) {
296                            JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
297    
298                            jsonObject.put("added", Boolean.TRUE);
299                            jsonObject.put("fileName", validFileName);
300    
301                            jsonArray.put(jsonObject);
302                    }
303    
304                    for (KeyValuePair invalidFileNameKVP : invalidFileNameKVPs) {
305                            String fileName = invalidFileNameKVP.getKey();
306                            String errorMessage = invalidFileNameKVP.getValue();
307    
308                            JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
309    
310                            jsonObject.put("added", Boolean.FALSE);
311                            jsonObject.put("errorMessage", errorMessage);
312                            jsonObject.put("fileName", fileName);
313    
314                            jsonArray.put(jsonObject);
315                    }
316    
317                    writeJSON(actionRequest, actionResponse, jsonArray);
318            }
319    
320            protected void addMultipleFileEntries(
321                            ActionRequest actionRequest, ActionResponse actionResponse,
322                            String selectedFileName, List<String> validFileNames,
323                            List<KeyValuePair> invalidFileNameKVPs)
324                    throws Exception {
325    
326                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
327                            WebKeys.THEME_DISPLAY);
328    
329                    long repositoryId = ParamUtil.getLong(actionRequest, "repositoryId");
330                    long folderId = ParamUtil.getLong(actionRequest, "folderId");
331                    String description = ParamUtil.getString(actionRequest, "description");
332                    String changeLog = ParamUtil.getString(actionRequest, "changeLog");
333    
334                    FileEntry tempFileEntry = null;
335    
336                    try {
337                            tempFileEntry = TempFileUtil.getTempFile(
338                                    themeDisplay.getScopeGroupId(), themeDisplay.getUserId(),
339                                    selectedFileName, _TEMP_FOLDER_NAME);
340    
341                            String mimeType = tempFileEntry.getMimeType();
342                            InputStream inputStream = tempFileEntry.getContentStream();
343                            long size = tempFileEntry.getSize();
344    
345                            ServiceContext serviceContext = ServiceContextFactory.getInstance(
346                                    DLFileEntry.class.getName(), actionRequest);
347    
348                            FileEntry fileEntry = DLAppServiceUtil.addFileEntry(
349                                    repositoryId, folderId, selectedFileName, mimeType,
350                                    selectedFileName, description, changeLog, inputStream, size,
351                                    serviceContext);
352    
353                            AssetPublisherUtil.addAndStoreSelection(
354                                    actionRequest, DLFileEntry.class.getName(),
355                                    fileEntry.getFileEntryId(), -1);
356    
357                            AssetPublisherUtil.addRecentFolderId(
358                                    actionRequest, DLFileEntry.class.getName(), folderId);
359    
360                            validFileNames.add(selectedFileName);
361    
362                            return;
363                    }
364                    catch (Exception e) {
365                            String errorMessage = getAddMultipleFileEntriesErrorMessage(
366                                    themeDisplay, e);
367    
368                            invalidFileNameKVPs.add(
369                                    new KeyValuePair(selectedFileName, errorMessage));
370                    }
371                    finally {
372                            if (tempFileEntry != null) {
373                                    TempFileUtil.deleteTempFile(tempFileEntry.getFileEntryId());
374                            }
375                    }
376            }
377    
378            protected void addTempFileEntry(ActionRequest actionRequest)
379                    throws Exception {
380    
381                    UploadPortletRequest uploadPortletRequest =
382                            PortalUtil.getUploadPortletRequest(actionRequest);
383    
384                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
385                            WebKeys.THEME_DISPLAY);
386    
387                    long folderId = ParamUtil.getLong(uploadPortletRequest, "folderId");
388                    String sourceFileName = uploadPortletRequest.getFileName("file");
389    
390                    InputStream inputStream = null;
391    
392                    try {
393                            inputStream = uploadPortletRequest.getFileAsStream("file");
394    
395                            String contentType = uploadPortletRequest.getContentType("file");
396    
397                            DLAppServiceUtil.addTempFileEntry(
398                                    themeDisplay.getScopeGroupId(), folderId, sourceFileName,
399                                    _TEMP_FOLDER_NAME, inputStream, contentType);
400                    }
401                    catch (Exception e) {
402                            UploadException uploadException =
403                                    (UploadException)actionRequest.getAttribute(
404                                            WebKeys.UPLOAD_EXCEPTION);
405    
406                            if ((uploadException != null) &&
407                                    (uploadException.getCause() instanceof IOFileUploadException)) {
408    
409                                    // Cancelled a temporary upload
410    
411                            }
412                            else if ((uploadException != null) &&
413                                             uploadException.isExceededSizeLimit()) {
414    
415                                    throw new FileSizeException(uploadException.getCause());
416                            }
417                            else {
418                                    throw e;
419                            }
420                    }
421                    finally {
422                            StreamUtil.cleanUp(inputStream);
423                    }
424            }
425    
426            protected void cancelFileEntriesCheckOut(ActionRequest actionRequest)
427                    throws Exception {
428    
429                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
430    
431                    if (fileEntryId > 0) {
432                            DLAppServiceUtil.cancelCheckOut(fileEntryId);
433                    }
434                    else {
435                            long[] fileEntryIds = StringUtil.split(
436                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
437    
438                            for (int i = 0; i < fileEntryIds.length; i++) {
439                                    DLAppServiceUtil.cancelCheckOut(fileEntryIds[i]);
440                            }
441                    }
442            }
443    
444            protected void checkInFileEntries(ActionRequest actionRequest)
445                    throws Exception {
446    
447                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
448    
449                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
450                            actionRequest);
451    
452                    if (fileEntryId > 0) {
453                            DLAppServiceUtil.checkInFileEntry(
454                                    fileEntryId, false, StringPool.BLANK, serviceContext);
455                    }
456                    else {
457                            long[] fileEntryIds = StringUtil.split(
458                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
459    
460                            for (int i = 0; i < fileEntryIds.length; i++) {
461                                    DLAppServiceUtil.checkInFileEntry(
462                                            fileEntryIds[i], false, StringPool.BLANK, serviceContext);
463                            }
464                    }
465            }
466    
467            protected void checkOutFileEntries(ActionRequest actionRequest)
468                    throws Exception {
469    
470                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
471    
472                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
473                            actionRequest);
474    
475                    if (fileEntryId > 0) {
476                            DLAppServiceUtil.checkOutFileEntry(fileEntryId, serviceContext);
477                    }
478                    else {
479                            long[] fileEntryIds = StringUtil.split(
480                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
481    
482                            for (int i = 0; i < fileEntryIds.length; i++) {
483                                    DLAppServiceUtil.checkOutFileEntry(
484                                            fileEntryIds[i], serviceContext);
485                            }
486                    }
487            }
488    
489            protected void deleteFileEntry(
490                            LiferayPortletConfig liferayPortletConfig,
491                            ActionRequest actionRequest, boolean moveToTrash)
492                    throws Exception {
493    
494                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
495    
496                    if (fileEntryId == 0) {
497                            return;
498                    }
499    
500                    String version = ParamUtil.getString(actionRequest, "version");
501    
502                    if (Validator.isNotNull(version)) {
503                            DLAppServiceUtil.deleteFileVersion(fileEntryId, version);
504    
505                            return;
506                    }
507    
508                    if (!moveToTrash) {
509                            DLAppServiceUtil.deleteFileEntry(fileEntryId);
510    
511                            return;
512                    }
513    
514                    DLAppServiceUtil.moveFileEntryToTrash(fileEntryId);
515    
516                    Map<String, String[]> data = new HashMap<String, String[]>();
517    
518                    data.put(
519                            "restoreFileEntryIds", new String[] {String.valueOf(fileEntryId)});
520    
521                    SessionMessages.add(
522                            actionRequest,
523                            liferayPortletConfig.getPortletId() +
524                                    SessionMessages.KEY_SUFFIX_DELETE_SUCCESS_DATA,
525                            data);
526    
527                    SessionMessages.add(
528                            actionRequest,
529                            liferayPortletConfig.getPortletId() +
530                                    SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_SUCCESS_MESSAGE);
531            }
532    
533            protected void deleteTempFileEntry(
534                            ActionRequest actionRequest, ActionResponse actionResponse)
535                    throws Exception {
536    
537                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
538                            WebKeys.THEME_DISPLAY);
539    
540                    long folderId = ParamUtil.getLong(actionRequest, "folderId");
541                    String fileName = ParamUtil.getString(actionRequest, "fileName");
542    
543                    JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
544    
545                    try {
546                            DLAppServiceUtil.deleteTempFileEntry(
547                                    themeDisplay.getScopeGroupId(), folderId, fileName,
548                                    _TEMP_FOLDER_NAME);
549    
550                            jsonObject.put("deleted", Boolean.TRUE);
551                    }
552                    catch (Exception e) {
553                            String errorMessage = LanguageUtil.get(
554                                    themeDisplay.getLocale(),
555                                    "an-unexpected-error-occurred-while-deleting-the-file");
556    
557                            jsonObject.put("deleted", Boolean.FALSE);
558                            jsonObject.put("errorMessage", errorMessage);
559                    }
560    
561                    writeJSON(actionRequest, actionResponse, jsonObject);
562            }
563    
564            protected String getAddMultipleFileEntriesErrorMessage(
565                            ThemeDisplay themeDisplay, Exception e)
566                    throws Exception {
567    
568                    String errorMessage = null;
569    
570                    if (e instanceof AssetCategoryException) {
571                            AssetCategoryException ace = (AssetCategoryException)e;
572    
573                            AssetVocabulary assetVocabulary = ace.getVocabulary();
574    
575                            String vocabularyTitle = StringPool.BLANK;
576    
577                            if (assetVocabulary != null) {
578                                    vocabularyTitle = assetVocabulary.getTitle(
579                                            themeDisplay.getLocale());
580                            }
581    
582                            if (ace.getType() == AssetCategoryException.AT_LEAST_ONE_CATEGORY) {
583                                    errorMessage = LanguageUtil.format(
584                                            themeDisplay.getLocale(),
585                                            "please-select-at-least-one-category-for-x",
586                                            vocabularyTitle);
587                            }
588                            else if (ace.getType() ==
589                                                    AssetCategoryException.TOO_MANY_CATEGORIES) {
590    
591                                    errorMessage = LanguageUtil.format(
592                                            themeDisplay.getLocale(),
593                                            "you-cannot-select-more-than-one-category-for-x",
594                                            vocabularyTitle);
595                            }
596                    }
597                    else if (e instanceof DuplicateFileException) {
598                            errorMessage = LanguageUtil.get(
599                                    themeDisplay.getLocale(),
600                                    "the-folder-you-selected-already-has-an-entry-with-this-name." +
601                                            "-please-select-a-different-folder");
602                    }
603                    else if (e instanceof FileExtensionException) {
604                            errorMessage = LanguageUtil.format(
605                                    themeDisplay.getLocale(),
606                                    "please-enter-a-file-with-a-valid-extension-x",
607                                    StringUtil.merge(
608                                            PrefsPropsUtil.getStringArray(
609                                                    PropsKeys.DL_FILE_EXTENSIONS, StringPool.COMMA)));
610                    }
611                    else if (e instanceof FileNameException) {
612                            errorMessage = LanguageUtil.get(
613                                    themeDisplay.getLocale(),
614                                    "please-enter-a-file-with-a-valid-file-name");
615                    }
616                    else if (e instanceof FileSizeException) {
617                            long maxSizeMB = PrefsPropsUtil.getLong(
618                                    PropsKeys.DL_FILE_MAX_SIZE) / 1024 / 1024;
619    
620                            errorMessage = LanguageUtil.format(
621                                    themeDisplay.getLocale(),
622                                    "file-size-is-larger-than-x-megabytes", maxSizeMB);
623                    }
624                    else if (e instanceof InvalidFileEntryTypeException) {
625                            errorMessage = LanguageUtil.get(
626                                    themeDisplay.getLocale(),
627                                    "the-document-type-you-selected-is-not-valid-for-this-folder");
628                    }
629                    else {
630                            errorMessage = LanguageUtil.get(
631                                    themeDisplay.getLocale(),
632                                    "an-unexpected-error-occurred-while-saving-your-document");
633                    }
634    
635                    return errorMessage;
636            }
637    
638            protected String getSaveAndContinueRedirect(
639                            PortletConfig portletConfig, ActionRequest actionRequest,
640                            FileEntry fileEntry, String redirect)
641                    throws Exception {
642    
643                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
644                            WebKeys.THEME_DISPLAY);
645    
646                    PortletURLImpl portletURL = new PortletURLImpl(
647                            actionRequest, portletConfig.getPortletName(),
648                            themeDisplay.getPlid(), PortletRequest.RENDER_PHASE);
649    
650                    portletURL.setParameter(
651                            "struts_action", "/document_library/edit_file_entry");
652                    portletURL.setParameter(Constants.CMD, Constants.UPDATE, false);
653                    portletURL.setParameter("redirect", redirect, false);
654    
655                    String referringPortletResource = ParamUtil.getString(
656                            actionRequest, "referringPortletResource");
657    
658                    portletURL.setParameter(
659                            "referringPortletResource", referringPortletResource, false);
660    
661                    portletURL.setParameter(
662                            "groupId", String.valueOf(fileEntry.getGroupId()), false);
663                    portletURL.setParameter(
664                            "fileEntryId", String.valueOf(fileEntry.getFileEntryId()), false);
665                    portletURL.setParameter(
666                            "version", String.valueOf(fileEntry.getVersion()), false);
667                    portletURL.setWindowState(actionRequest.getWindowState());
668    
669                    return portletURL.toString();
670            }
671    
672            protected void handleUploadException(
673                            ActionRequest actionRequest, ActionResponse actionResponse,
674                            String cmd, Exception e)
675                    throws Exception {
676    
677                    if (e instanceof AssetCategoryException ||
678                            e instanceof AssetTagException) {
679    
680                            SessionErrors.add(actionRequest, e.getClass(), e);
681                    }
682                    else if (e instanceof DuplicateFileException ||
683                                     e instanceof DuplicateFolderNameException ||
684                                     e instanceof FileExtensionException ||
685                                     e instanceof FileMimeTypeException ||
686                                     e instanceof FileNameException ||
687                                     e instanceof FileSizeException ||
688                                     e instanceof NoSuchFolderException ||
689                                     e instanceof SourceFileNameException ||
690                                     e instanceof StorageFieldRequiredException) {
691    
692                            if (!cmd.equals(Constants.ADD_DYNAMIC) &&
693                                    !cmd.equals(Constants.ADD_MULTIPLE) &&
694                                    !cmd.equals(Constants.ADD_TEMP)) {
695    
696                                    SessionErrors.add(actionRequest, e.getClass());
697    
698                                    return;
699                            }
700    
701                            if (e instanceof DuplicateFileException ||
702                                    e instanceof FileExtensionException ||
703                                    e instanceof FileNameException ||
704                                    e instanceof FileSizeException) {
705    
706                                    HttpServletResponse response =
707                                            PortalUtil.getHttpServletResponse(actionResponse);
708    
709                                    response.setContentType(ContentTypes.TEXT_HTML);
710                                    response.setStatus(HttpServletResponse.SC_OK);
711    
712                                    int errorType = 0;
713    
714                                    if (e instanceof DuplicateFileException) {
715                                            errorType =
716                                                    ServletResponseConstants.SC_DUPLICATE_FILE_EXCEPTION;
717                                    }
718                                    else if (e instanceof FileExtensionException) {
719                                            errorType =
720                                                    ServletResponseConstants.SC_FILE_EXTENSION_EXCEPTION;
721                                    }
722                                    else if (e instanceof FileNameException) {
723                                            errorType = ServletResponseConstants.SC_FILE_NAME_EXCEPTION;
724                                    }
725                                    else if (e instanceof FileSizeException) {
726                                            errorType = ServletResponseConstants.SC_FILE_SIZE_EXCEPTION;
727                                    }
728    
729                                    ServletResponseUtil.write(response, String.valueOf(errorType));
730                            }
731    
732                            SessionErrors.add(actionRequest, e.getClass());
733                    }
734                    else if (e instanceof DuplicateLockException ||
735                                     e instanceof InvalidFileVersionException ||
736                                     e instanceof NoSuchFileEntryException ||
737                                     e instanceof PrincipalException) {
738    
739                            if (e instanceof DuplicateLockException) {
740                                    DuplicateLockException dle = (DuplicateLockException)e;
741    
742                                    SessionErrors.add(actionRequest, dle.getClass(), dle.getLock());
743                            }
744                            else {
745                                    SessionErrors.add(actionRequest, e.getClass());
746                            }
747    
748                            setForward(actionRequest, "portlet.document_library.error");
749                    }
750                    else {
751                            throw e;
752                    }
753            }
754    
755            protected void moveFileEntries(
756                            ActionRequest actionRequest, boolean moveFromTrash)
757                    throws Exception {
758    
759                    long[] fileEntryIds = null;
760    
761                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
762    
763                    if (fileEntryId > 0) {
764                            fileEntryIds = new long[] {fileEntryId};
765                    }
766                    else {
767                            fileEntryIds = StringUtil.split(
768                                    ParamUtil.getString(actionRequest, "fileEntryIds"), 0L);
769                    }
770    
771                    long newFolderId = ParamUtil.getLong(actionRequest, "newFolderId");
772    
773                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
774                            DLFileEntry.class.getName(), actionRequest);
775    
776                    for (long moveFileEntryId : fileEntryIds) {
777                            if (moveFromTrash) {
778                                    DLAppServiceUtil.moveFileEntryFromTrash(
779                                            moveFileEntryId, newFolderId, serviceContext);
780                            }
781    
782                            else {
783                                    DLAppServiceUtil.moveFileEntry(
784                                            moveFileEntryId, newFolderId, serviceContext);
785                            }
786                    }
787            }
788    
789            protected void revertFileEntry(ActionRequest actionRequest)
790                    throws Exception {
791    
792                    long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");
793                    String version = ParamUtil.getString(actionRequest, "version");
794    
795                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
796                            DLFileEntry.class.getName(), actionRequest);
797    
798                    DLAppServiceUtil.revertFileEntry(fileEntryId, version, serviceContext);
799            }
800    
801            protected FileEntry updateFileEntry(
802                            PortletConfig portletConfig, ActionRequest actionRequest,
803                            ActionResponse actionResponse)
804                    throws Exception {
805    
806                    UploadPortletRequest uploadPortletRequest =
807                            PortalUtil.getUploadPortletRequest(actionRequest);
808    
809                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
810                            WebKeys.THEME_DISPLAY);
811    
812                    String cmd = ParamUtil.getString(uploadPortletRequest, Constants.CMD);
813    
814                    long fileEntryId = ParamUtil.getLong(
815                            uploadPortletRequest, "fileEntryId");
816    
817                    long repositoryId = ParamUtil.getLong(
818                            uploadPortletRequest, "repositoryId");
819                    long folderId = ParamUtil.getLong(uploadPortletRequest, "folderId");
820                    String sourceFileName = uploadPortletRequest.getFileName("file");
821                    String title = ParamUtil.getString(uploadPortletRequest, "title");
822                    String description = ParamUtil.getString(
823                            uploadPortletRequest, "description");
824                    String changeLog = ParamUtil.getString(
825                            uploadPortletRequest, "changeLog");
826                    boolean majorVersion = ParamUtil.getBoolean(
827                            uploadPortletRequest, "majorVersion");
828    
829                    if (folderId > 0) {
830                            Folder folder = DLAppServiceUtil.getFolder(folderId);
831    
832                            if (folder.getGroupId() != themeDisplay.getScopeGroupId()) {
833                                    throw new NoSuchFolderException();
834                            }
835                    }
836    
837                    InputStream inputStream = null;
838    
839                    try {
840                            String contentType = uploadPortletRequest.getContentType("file");
841    
842                            long size = uploadPortletRequest.getSize("file");
843    
844                            if ((cmd.equals(Constants.ADD) ||
845                                     cmd.equals(Constants.ADD_DYNAMIC)) &&
846                                    (size == 0)) {
847    
848                                    contentType = MimeTypesUtil.getContentType(title);
849                            }
850    
851                            if (cmd.equals(Constants.ADD) ||
852                                    cmd.equals(Constants.ADD_DYNAMIC) || (size > 0)) {
853    
854                                    String portletName = portletConfig.getPortletName();
855    
856                                    if (portletName.equals(PortletKeys.MEDIA_GALLERY_DISPLAY)) {
857                                            String portletResource = ParamUtil.getString(
858                                                    actionRequest, "portletResource");
859    
860                                            PortletPreferences portletPreferences = null;
861    
862                                            if (Validator.isNotNull(portletResource)) {
863                                                    PortletPreferencesFactoryUtil.getPortletSetup(
864                                                            actionRequest, portletResource);
865                                            }
866                                            else {
867                                                    portletPreferences = actionRequest.getPreferences();
868                                            }
869    
870                                            String[] mimeTypes = DLUtil.getMediaGalleryMimeTypes(
871                                                    portletPreferences, actionRequest);
872    
873                                            if (Arrays.binarySearch(mimeTypes, contentType) < 0) {
874                                                    throw new FileMimeTypeException(contentType);
875                                            }
876                                    }
877                            }
878    
879                            inputStream = uploadPortletRequest.getFileAsStream("file");
880    
881                            ServiceContext serviceContext = ServiceContextFactory.getInstance(
882                                    DLFileEntry.class.getName(), uploadPortletRequest);
883    
884                            FileEntry fileEntry = null;
885    
886                            if (cmd.equals(Constants.ADD) ||
887                                    cmd.equals(Constants.ADD_DYNAMIC)) {
888    
889                                    // Add file entry
890    
891                                    fileEntry = DLAppServiceUtil.addFileEntry(
892                                            repositoryId, folderId, sourceFileName, contentType, title,
893                                            description, changeLog, inputStream, size, serviceContext);
894    
895                                    AssetPublisherUtil.addAndStoreSelection(
896                                            actionRequest, DLFileEntry.class.getName(),
897                                            fileEntry.getFileEntryId(), -1);
898    
899                                    if (cmd.equals(Constants.ADD_DYNAMIC)) {
900                                            JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
901    
902                                            jsonObject.put("fileEntryId", fileEntry.getFileEntryId());
903    
904                                            writeJSON(actionRequest, actionResponse, jsonObject);
905                                    }
906                            }
907                            else if (cmd.equals(Constants.UPDATE_AND_CHECKIN)) {
908    
909                                    // Update file entry and checkin
910    
911                                    fileEntry = DLAppServiceUtil.updateFileEntryAndCheckIn(
912                                            fileEntryId, sourceFileName, contentType, title,
913                                            description, changeLog, majorVersion, inputStream, size,
914                                            serviceContext);
915                            }
916                            else {
917    
918                                    // Update file entry
919    
920                                    fileEntry = DLAppServiceUtil.updateFileEntry(
921                                            fileEntryId, sourceFileName, contentType, title,
922                                            description, changeLog, majorVersion, inputStream, size,
923                                            serviceContext);
924                            }
925    
926                            AssetPublisherUtil.addRecentFolderId(
927                                    actionRequest, DLFileEntry.class.getName(), folderId);
928    
929                            return fileEntry;
930                    }
931                    catch (Exception e) {
932                            UploadException uploadException =
933                                    (UploadException)actionRequest.getAttribute(
934                                            WebKeys.UPLOAD_EXCEPTION);
935    
936                            if ((uploadException != null) &&
937                                    uploadException.isExceededSizeLimit()) {
938    
939                                    throw new FileSizeException(uploadException.getCause());
940                            }
941    
942                            throw e;
943                    }
944                    finally {
945                            StreamUtil.cleanUp(inputStream);
946                    }
947            }
948    
949            private static final String _TEMP_FOLDER_NAME =
950                    EditFileEntryAction.class.getName();
951    
952    }