1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.messageboards.util;
21  
22  import com.liferay.portal.kernel.language.LanguageUtil;
23  import com.liferay.portal.kernel.log.Log;
24  import com.liferay.portal.kernel.log.LogFactoryUtil;
25  import com.liferay.portal.kernel.portlet.LiferayWindowState;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.Http;
28  import com.liferay.portal.kernel.util.LocaleUtil;
29  import com.liferay.portal.kernel.util.ParamUtil;
30  import com.liferay.portal.kernel.util.StringPool;
31  import com.liferay.portal.kernel.util.StringUtil;
32  import com.liferay.portal.kernel.util.Validator;
33  import com.liferay.portal.model.Group;
34  import com.liferay.portal.model.Organization;
35  import com.liferay.portal.model.Role;
36  import com.liferay.portal.model.UserGroup;
37  import com.liferay.portal.service.GroupLocalServiceUtil;
38  import com.liferay.portal.service.OrganizationLocalServiceUtil;
39  import com.liferay.portal.service.RoleLocalServiceUtil;
40  import com.liferay.portal.service.UserGroupLocalServiceUtil;
41  import com.liferay.portal.service.UserGroupRoleLocalServiceUtil;
42  import com.liferay.portal.service.UserLocalServiceUtil;
43  import com.liferay.portal.theme.ThemeDisplay;
44  import com.liferay.portal.util.ContentUtil;
45  import com.liferay.portal.util.PropsValues;
46  import com.liferay.portlet.messageboards.model.MBBan;
47  import com.liferay.portlet.messageboards.model.MBCategory;
48  import com.liferay.portlet.messageboards.model.MBMessage;
49  import com.liferay.portlet.messageboards.model.MBStatsUser;
50  import com.liferay.portlet.messageboards.model.impl.MBCategoryImpl;
51  import com.liferay.portlet.messageboards.service.MBCategoryLocalServiceUtil;
52  import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
53  import com.liferay.util.LocalizationUtil;
54  import com.liferay.util.mail.JavaMailUtil;
55  
56  import java.io.InputStream;
57  
58  import java.util.Calendar;
59  import java.util.Date;
60  
61  import javax.mail.BodyPart;
62  import javax.mail.Message;
63  import javax.mail.Part;
64  import javax.mail.internet.MimeMessage;
65  import javax.mail.internet.MimeMultipart;
66  
67  import javax.portlet.PortletPreferences;
68  import javax.portlet.PortletURL;
69  import javax.portlet.RenderRequest;
70  import javax.portlet.RenderResponse;
71  
72  import javax.servlet.jsp.PageContext;
73  
74  /**
75   * <a href="MBUtil.java.html"><b><i>View Source</i></b></a>
76   *
77   * @author Brian Wing Shun Chan
78   *
79   */
80  public class MBUtil {
81  
82      public static final String POP_PORTLET_PREFIX = "mb.";
83  
84      public static final int POP_SERVER_SUBDOMAIN_LENGTH =
85          PropsValues.POP_SERVER_SUBDOMAIN.length();
86  
87      public static void collectMultipartContent(
88              MimeMultipart multipart, MBMailMessage collector)
89          throws Exception {
90  
91          for (int i = 0; i < multipart.getCount(); i++) {
92              BodyPart part = multipart.getBodyPart(i);
93  
94              collectPartContent(part, collector);
95          }
96      }
97  
98      public static void collectPartContent(Part part, MBMailMessage collector)
99          throws Exception {
100 
101         Object partContent = part.getContent();
102 
103         String contentType = part.getContentType().toLowerCase();
104 
105         if ((part.getDisposition() != null) &&
106              (part.getDisposition().equalsIgnoreCase(MimeMessage.ATTACHMENT))) {
107 
108             if (_log.isDebugEnabled()) {
109                 _log.debug("Processing attachment");
110             }
111 
112             byte[] bytes = null;
113 
114             if (partContent instanceof String) {
115                 bytes = ((String)partContent).getBytes();
116             }
117             else if (partContent instanceof InputStream) {
118                 bytes = JavaMailUtil.getBytes(part);
119             }
120 
121             collector.addFile(part.getFileName(), bytes);
122         }
123         else {
124             if (partContent instanceof MimeMultipart) {
125                 collectMultipartContent((MimeMultipart)partContent, collector);
126             }
127             else if (partContent instanceof String) {
128                 if (contentType.startsWith("text/html")) {
129                     collector.setHtmlBody((String)partContent);
130                 }
131                 else {
132                     collector.setPlainBody((String)partContent);
133                 }
134             }
135         }
136     }
137 
138     public static String getBreadcrumbs(
139             long categoryId, long messageId, PageContext pageContext,
140             RenderRequest renderRequest, RenderResponse renderResponse)
141         throws Exception {
142 
143         if (messageId > 0) {
144             MBMessage message = MBMessageLocalServiceUtil.getMessage(messageId);
145 
146             return getBreadcrumbs(
147                 null, message, pageContext, renderRequest, renderResponse);
148         }
149         else {
150             MBCategory category = null;
151 
152             try {
153                 if ((categoryId > 0) &&
154                     (categoryId != MBCategoryImpl.DEFAULT_PARENT_CATEGORY_ID)) {
155 
156                     category = MBCategoryLocalServiceUtil.getCategory(
157                         categoryId);
158                 }
159             }
160             catch (Exception e) {
161                 _log.error("Unable to retrieve category " + categoryId, e);
162             }
163 
164             return getBreadcrumbs(
165                 category, null, pageContext, renderRequest, renderResponse);
166         }
167     }
168 
169     public static String getBreadcrumbs(
170             MBCategory category, MBMessage message, PageContext pageContext,
171             RenderRequest renderRequest, RenderResponse renderResponse)
172         throws Exception {
173 
174         String strutsAction = ParamUtil.getString(
175             renderRequest, "struts_action");
176 
177         boolean selectCategory = strutsAction.equals(
178             "/message_boards/select_category");
179 
180         if ((message != null) && (category == null)) {
181             category = message.getCategory();
182         }
183 
184         PortletURL categoriesURL = renderResponse.createRenderURL();
185 
186         if (selectCategory) {
187             categoriesURL.setWindowState(LiferayWindowState.POP_UP);
188 
189             categoriesURL.setParameter(
190                 "struts_action", "/message_boards/select_category");
191         }
192         else {
193             //categoriesURL.setWindowState(WindowState.MAXIMIZED);
194 
195             categoriesURL.setParameter("struts_action", "/message_boards/view");
196             categoriesURL.setParameter(
197                 "categoryId",
198                 String.valueOf(MBCategoryImpl.DEFAULT_PARENT_CATEGORY_ID));
199         }
200 
201         String categoriesLink =
202             "<a href=\"" + categoriesURL.toString() + "\">" +
203                 LanguageUtil.get(pageContext, "categories") + "</a>";
204 
205         if (category == null) {
206             return "<span class=\"first last\">" + categoriesLink + "</span>";
207         }
208 
209         String breadcrumbs = StringPool.BLANK;
210 
211         for (int i = 0;; i++) {
212             category = category.toEscapedModel();
213 
214             PortletURL portletURL = renderResponse.createRenderURL();
215 
216             if (selectCategory) {
217                 portletURL.setWindowState(LiferayWindowState.POP_UP);
218 
219                 portletURL.setParameter(
220                     "struts_action", "/message_boards/select_category");
221                 portletURL.setParameter(
222                     "categoryId", String.valueOf(category.getCategoryId()));
223             }
224             else {
225                 //portletURL.setWindowState(WindowState.MAXIMIZED);
226 
227                 portletURL.setParameter(
228                     "struts_action", "/message_boards/view");
229                 portletURL.setParameter(
230                     "categoryId", String.valueOf(category.getCategoryId()));
231             }
232 
233             String categoryLink =
234                 "<a href=\"" + portletURL.toString() + "\">" +
235                     category.getName() + "</a>";
236 
237             if (i == 0) {
238                 if (message != null) {
239                     breadcrumbs += categoryLink;
240                 }
241                 else {
242                     breadcrumbs =
243                         "<span class=\"last\">" + categoryLink + "</span>";
244                 }
245             }
246             else {
247                 breadcrumbs = categoryLink + " &raquo; " + breadcrumbs;
248             }
249 
250             if (category.isRoot()) {
251                 break;
252             }
253 
254             category = MBCategoryLocalServiceUtil.getCategory(
255                 category.getParentCategoryId());
256         }
257 
258         breadcrumbs =
259             "<span class=\"first\">" + categoriesLink + " &raquo; </span>" +
260                 breadcrumbs;
261 
262         if (message != null) {
263             message = message.toEscapedModel();
264 
265             PortletURL messageURL = renderResponse.createRenderURL();
266 
267             //messageURL.setWindowState(WindowState.MAXIMIZED);
268 
269             messageURL.setParameter(
270                 "struts_action", "/message_boards/view_message");
271             messageURL.setParameter(
272                 "messageId", String.valueOf(message.getMessageId()));
273 
274             String messageLink =
275                 "<span class=\"last\"><a href=\"" + messageURL.toString() +
276                     "\">" + message.getSubject() + "</a></span>";
277 
278             breadcrumbs = breadcrumbs + " &raquo; " + messageLink;
279         }
280 
281         return breadcrumbs;
282     }
283 
284     public static String getEmailFromAddress(PortletPreferences preferences) {
285         String emailFromAddress = PropsValues.MESSAGE_BOARDS_EMAIL_FROM_ADDRESS;
286 
287         return preferences.getValue("email-from-address", emailFromAddress);
288     }
289 
290     public static String getEmailFromName(PortletPreferences preferences) {
291         String emailFromName = PropsValues.MESSAGE_BOARDS_EMAIL_FROM_NAME;
292 
293         return preferences.getValue("email-from-name", emailFromName);
294     }
295 
296     public static boolean getEmailHtmlFormat(PortletPreferences preferences) {
297         String emailHtmlFormat = preferences.getValue(
298             "email-html-format", StringPool.BLANK);
299 
300         if (Validator.isNotNull(emailHtmlFormat)) {
301             return GetterUtil.getBoolean(emailHtmlFormat);
302         }
303         else {
304             return PropsValues.MESSAGE_BOARDS_EMAIL_HTML_FORMAT;
305         }
306     }
307 
308     public static boolean getEmailMessageAddedEnabled(
309         PortletPreferences preferences) {
310 
311         String emailMessageAddedEnabled = preferences.getValue(
312             "email-message-added-enabled", StringPool.BLANK);
313 
314         if (Validator.isNotNull(emailMessageAddedEnabled)) {
315             return GetterUtil.getBoolean(emailMessageAddedEnabled);
316         }
317         else {
318             return PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_ADDED_ENABLED;
319         }
320     }
321 
322     public static String getEmailMessageAddedBody(
323         PortletPreferences preferences) {
324 
325         String emailMessageAddedBody = preferences.getValue(
326             "email-message-added-body", StringPool.BLANK);
327 
328         if (Validator.isNotNull(emailMessageAddedBody)) {
329             return emailMessageAddedBody;
330         }
331         else {
332             return ContentUtil.get(
333                 PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_ADDED_BODY);
334         }
335     }
336 
337     public static String getEmailMessageAddedSignature(
338         PortletPreferences preferences) {
339 
340         String emailMessageAddedSignature = preferences.getValue(
341             "email-message-added-signature", StringPool.BLANK);
342 
343         if (Validator.isNotNull(emailMessageAddedSignature)) {
344             return emailMessageAddedSignature;
345         }
346         else {
347             return ContentUtil.get(
348                 PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_ADDED_SIGNATURE);
349         }
350     }
351 
352     public static String getEmailMessageAddedSubjectPrefix(
353         PortletPreferences preferences) {
354 
355         String emailMessageAddedSubjectPrefix = preferences.getValue(
356             "email-message-added-subject-prefix", StringPool.BLANK);
357 
358         if (Validator.isNotNull(emailMessageAddedSubjectPrefix)) {
359             return emailMessageAddedSubjectPrefix;
360         }
361         else {
362             return ContentUtil.get(
363                 PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_ADDED_SUBJECT_PREFIX);
364         }
365     }
366 
367     public static boolean getEmailMessageUpdatedEnabled(
368         PortletPreferences preferences) {
369 
370         String emailMessageUpdatedEnabled = preferences.getValue(
371             "email-message-updated-enabled", StringPool.BLANK);
372 
373         if (Validator.isNotNull(emailMessageUpdatedEnabled)) {
374             return GetterUtil.getBoolean(emailMessageUpdatedEnabled);
375         }
376         else {
377             return PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_UPDATED_ENABLED;
378         }
379     }
380 
381     public static String getEmailMessageUpdatedBody(
382         PortletPreferences preferences) {
383 
384         String emailMessageUpdatedBody = preferences.getValue(
385             "email-message-updated-body", StringPool.BLANK);
386 
387         if (Validator.isNotNull(emailMessageUpdatedBody)) {
388             return emailMessageUpdatedBody;
389         }
390         else {
391             return ContentUtil.get(
392                 PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_UPDATED_BODY);
393         }
394     }
395 
396     public static String getEmailMessageUpdatedSignature(
397         PortletPreferences preferences) {
398 
399         String emailMessageUpdatedSignature = preferences.getValue(
400             "email-message-updated-signature", StringPool.BLANK);
401 
402         if (Validator.isNotNull(emailMessageUpdatedSignature)) {
403             return emailMessageUpdatedSignature;
404         }
405         else {
406             return ContentUtil.get(
407                 PropsValues.MESSAGE_BOARDS_EMAIL_MESSAGE_UPDATED_SIGNATURE);
408         }
409     }
410 
411     public static String getEmailMessageUpdatedSubjectPrefix(
412         PortletPreferences preferences) {
413 
414         String emailMessageUpdatedSubject = preferences.getValue(
415             "email-message-updated-subject-prefix", StringPool.BLANK);
416 
417         if (Validator.isNotNull(emailMessageUpdatedSubject)) {
418             return emailMessageUpdatedSubject;
419         }
420         else {
421             return ContentUtil.get(
422                 PropsValues.
423                     MESSAGE_BOARDS_EMAIL_MESSAGE_UPDATED_SUBJECT_PREFIX);
424         }
425     }
426 
427     public static String getMailId(String mx, long categoryId, long messageId) {
428         StringBuilder sb = new StringBuilder();
429 
430         sb.append(StringPool.LESS_THAN);
431         sb.append(POP_PORTLET_PREFIX);
432         sb.append(categoryId);
433         sb.append(StringPool.PERIOD);
434         sb.append(messageId);
435         sb.append(StringPool.AT);
436         sb.append(PropsValues.POP_SERVER_SUBDOMAIN);
437         sb.append(StringPool.PERIOD);
438         sb.append(mx);
439         sb.append(StringPool.GREATER_THAN);
440 
441         return sb.toString();
442     }
443 
444     public static String getMailingListAddress(
445         long categoryId, long messageId, String mx,
446         String defaultMailingListAddress) {
447 
448         if (POP_SERVER_SUBDOMAIN_LENGTH <= 0) {
449             return defaultMailingListAddress;
450         }
451 
452         StringBuilder sb = new StringBuilder();
453 
454         sb.append(POP_PORTLET_PREFIX);
455         sb.append(categoryId);
456         sb.append(StringPool.PERIOD);
457         sb.append(messageId);
458         sb.append(StringPool.AT);
459         sb.append(PropsValues.POP_SERVER_SUBDOMAIN);
460         sb.append(StringPool.PERIOD);
461         sb.append(mx);
462 
463         return sb.toString();
464     }
465 
466     public static long getMessageId(String mailId) {
467         int x = mailId.indexOf(StringPool.LESS_THAN) + 1;
468         int y = mailId.indexOf(StringPool.AT);
469 
470         long messageId = 0;
471 
472         if ((x > 0 ) && (y != -1)) {
473             String temp = mailId.substring(x, y);
474 
475             int z = temp.lastIndexOf(StringPool.PERIOD);
476 
477             if (z != -1) {
478                 messageId = GetterUtil.getLong(temp.substring(z + 1));
479             }
480         }
481 
482         return messageId;
483     }
484 
485     public static long getParentMessageId(Message message) throws Exception {
486         long parentMessageId = -1;
487 
488         String parentHeader = getParentMessageIdString(message);
489 
490         if (parentHeader != null) {
491             if (_log.isDebugEnabled()) {
492                 _log.debug("Parent header " + parentHeader);
493             }
494 
495             parentMessageId = getMessageId(parentHeader);
496 
497             if (_log.isDebugEnabled()) {
498                 _log.debug("Previous message id " + parentMessageId);
499             }
500         }
501 
502         return parentMessageId;
503     }
504 
505     public static String getParentMessageIdString(Message message)
506         throws Exception {
507 
508         // If the previous block failed, try to get the parent message ID from
509         // the "References" header as explained in
510         // http://cr.yp.to/immhf/thread.html. Some mail clients such as Yahoo!
511         // Mail use the "In-Reply-To" header, so we check that as well.
512 
513         String parentHeader = null;
514 
515         String[] references = message.getHeader("References");
516 
517         if ((references != null) && (references.length > 0)) {
518             parentHeader = references[0].substring(
519                 references[0].lastIndexOf("<"));
520         }
521 
522         if (parentHeader == null) {
523             String[] inReplyToHeaders = message.getHeader("In-Reply-To");
524 
525             if ((inReplyToHeaders != null) && (inReplyToHeaders.length > 0)) {
526                 parentHeader = inReplyToHeaders[0];
527             }
528         }
529 
530         if (parentHeader == null) {
531             parentHeader = _getParentMessageIdFromSubject(message);
532         }
533 
534         return parentHeader;
535     }
536 
537     public static String getSubjectWithoutMessageId(Message message)
538         throws Exception {
539 
540         String subject = message.getSubject();
541 
542         String parentMessageId = _getParentMessageIdFromSubject(message);
543 
544         if (Validator.isNotNull(parentMessageId)) {
545             int pos = subject.indexOf(parentMessageId);
546 
547             if (pos != -1) {
548                 subject = subject.substring(0, pos);
549             }
550         }
551 
552         return subject;
553     }
554 
555     public static String[] getThreadPriority(
556             PortletPreferences preferences, String languageId, double value,
557             ThemeDisplay themeDisplay)
558         throws Exception {
559 
560         String[] priorities = LocalizationUtil.getPreferencesValues(
561             preferences, "priorities", languageId);
562 
563         String[] priorityPair = _findThreadPriority(
564             value, themeDisplay, priorities);
565 
566         if (priorityPair == null) {
567             String defaultLanguageId = LocaleUtil.toLanguageId(
568                 LocaleUtil.getDefault());
569 
570             priorities = LocalizationUtil.getPreferencesValues(
571                 preferences, "priorities", defaultLanguageId);
572 
573             priorityPair = _findThreadPriority(value, themeDisplay, priorities);
574         }
575 
576         return priorityPair;
577     }
578 
579     public static Date getUnbanDate(MBBan ban, int expireInterval) {
580         Date banDate = ban.getCreateDate();
581 
582         Calendar cal = Calendar.getInstance();
583 
584         cal.setTime(banDate);
585 
586         cal.add(Calendar.DATE, expireInterval);
587 
588         return cal.getTime();
589     }
590 
591     public static String getUserRank(
592             PortletPreferences preferences, String languageId, int posts)
593         throws Exception {
594 
595         String rank = StringPool.BLANK;
596 
597         String[] ranks = LocalizationUtil.getPreferencesValues(
598             preferences, "ranks", languageId);
599 
600         for (int i = 0; i < ranks.length; i++) {
601             String[] kvp = StringUtil.split(ranks[i], StringPool.EQUAL);
602 
603             String kvpName = kvp[0];
604             int kvpPosts = GetterUtil.getInteger(kvp[1]);
605 
606             if (posts >= kvpPosts) {
607                 rank = kvpName;
608             }
609             else {
610                 break;
611             }
612         }
613 
614         return rank;
615     }
616 
617     public static String[] getUserRank(
618             PortletPreferences preferences, String languageId,
619             MBStatsUser statsUser)
620         throws Exception {
621 
622         String[] rank = {StringPool.BLANK, StringPool.BLANK};
623 
624         int maxPosts = 0;
625 
626         Group group = GroupLocalServiceUtil.getGroup(
627             statsUser.getGroupId());
628 
629         long companyId = group.getCompanyId();
630 
631         String[] ranks = LocalizationUtil.getPreferencesValues(
632             preferences, "ranks", languageId);
633 
634         for (int i = 0; i < ranks.length; i++) {
635             String[] kvp = StringUtil.split(ranks[i], StringPool.EQUAL);
636 
637             String curRank = kvp[0];
638             String curRankValue = kvp[1];
639 
640             String[] curRankValueKvp = StringUtil.split(
641                 curRankValue, StringPool.COLON);
642 
643             if (curRankValueKvp.length <= 1) {
644                 int posts = GetterUtil.getInteger(curRankValue);
645 
646                 if ((posts <= statsUser.getMessageCount()) &&
647                     (posts >= maxPosts)) {
648 
649                     rank[0] = curRank;
650                     maxPosts = posts;
651                 }
652 
653             }
654             else {
655                 String entityType = curRankValueKvp[0];
656                 String entityValue = curRankValueKvp[1];
657 
658                 try {
659                     if (_isEntityRank(
660                             companyId, statsUser, entityType, entityValue)) {
661 
662                         rank[1] = curRank;
663 
664                         break;
665                     }
666                 }
667                 catch (Exception e) {
668                     if (_log.isWarnEnabled()) {
669                         _log.warn(e);
670                     }
671                 }
672             }
673         }
674 
675         return rank;
676     }
677 
678     public static boolean hasMailIdHeader(Message message) throws Exception {
679         String[] messageIds = message.getHeader("Message-ID");
680 
681         if (messageIds == null) {
682             return false;
683         }
684 
685         for (String messageId : messageIds) {
686             if (messageId.contains(PropsValues.POP_SERVER_SUBDOMAIN)) {
687                 return true;
688             }
689         }
690 
691         return false;
692     }
693 
694     public static boolean isAllowAnonymousPosting(
695         PortletPreferences preferences) {
696 
697         String allowAnonymousPosting = preferences.getValue(
698             "allow-anonymous-posting", StringPool.BLANK);
699 
700         if (Validator.isNotNull(allowAnonymousPosting)) {
701             return GetterUtil.getBoolean(allowAnonymousPosting);
702         }
703         else {
704             return PropsValues.MESSAGE_BOARDS_ANONYMOUS_POSTING_ENABLED;
705         }
706     }
707 
708     private static String[] _findThreadPriority(
709         double value, ThemeDisplay themeDisplay, String[] priorities) {
710 
711         for (int i = 0; i < priorities.length; i++) {
712             String[] priority = StringUtil.split(priorities[i]);
713 
714             try {
715                 String priorityName = priority[0];
716                 String priorityImage = priority[1];
717                 double priorityValue = GetterUtil.getDouble(priority[2]);
718 
719                 if (value == priorityValue) {
720                     if (!priorityImage.startsWith(Http.HTTP)) {
721                         priorityImage =
722                             themeDisplay.getPathThemeImages() + priorityImage;
723                     }
724 
725                     return new String[] {priorityName, priorityImage};
726                 }
727             }
728             catch (Exception e) {
729                 _log.error("Unable to determine thread priority", e);
730             }
731         }
732 
733         return null;
734     }
735 
736     private static String _getParentMessageIdFromSubject(Message message)
737         throws Exception {
738 
739         String parentMessageId = null;
740 
741         String subject = StringUtil.reverse(message.getSubject());
742 
743         int pos = subject.indexOf(StringPool.LESS_THAN);
744 
745         if (pos != -1) {
746             parentMessageId = StringUtil.reverse(subject.substring(0, pos + 1));
747         }
748 
749         return parentMessageId;
750     }
751 
752     private static boolean _isEntityRank(
753             long companyId, MBStatsUser statsUser, String entityType,
754             String entityValue)
755         throws Exception {
756 
757         long groupId = statsUser.getGroupId();
758         long userId = statsUser.getUserId();
759 
760         if (entityType.equals("community-role") ||
761             entityType.equals("organization-role")) {
762 
763             Role role = RoleLocalServiceUtil.getRole(companyId, entityValue);
764 
765             if (UserGroupRoleLocalServiceUtil.hasUserGroupRole(
766                     userId, groupId, role.getRoleId())) {
767 
768                 return true;
769             }
770         }
771         else if (entityType.equals("organization")) {
772             Organization organization =
773                 OrganizationLocalServiceUtil.getOrganization(
774                     companyId, entityValue);
775 
776             if (OrganizationLocalServiceUtil.hasUserOrganization(
777                     userId, organization.getOrganizationId())) {
778 
779                 return true;
780             }
781         }
782         else if (entityType.equals("regular-role")) {
783             if (RoleLocalServiceUtil.hasUserRole(
784                     userId, companyId, entityValue, true)) {
785 
786                 return true;
787             }
788         }
789         else if (entityType.equals("user-group")) {
790             UserGroup userGroup = UserGroupLocalServiceUtil.getUserGroup(
791                 companyId, entityValue);
792 
793             if (UserLocalServiceUtil.hasUserGroupUser(
794                     userGroup.getUserGroupId(), userId)) {
795 
796                 return true;
797             }
798         }
799 
800         return false;
801     }
802 
803     private static Log _log = LogFactoryUtil.getLog(MBUtil.class);
804 
805 }