Plugged in the correct mlTranslationInterceptor for FileFolderService and removed the NodeService interceptor.

Removed some unecessary interceptor work.
Fixed content filtering to default to the pivot translation if there is no translation for a required language.
Fixed content filtering when switching back to ALL LANGUAGES.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5802 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/ml/MultilingualContentService.java

@@ -123,13 +123,13 @@ public interface MultilingualContentService
     /**
      * Given a <b>cm:mlDocument</b>, this method attempts to find the best translation for the given
      * locale.  If there is not even a
-     * {@link org.alfresco.i18n.I18NUtil#getNearestLocale(Locale, Set) partial match}, then <tt>null</tt>
-     * is returned.
+     * {@link org.alfresco.i18n.I18NUtil#getNearestLocale(Locale, Set) partial match}, then the
+     * {@link #getPivotTranslation(NodeRef) pivot translation} is used.  If that also gives no results
+     * then the translation itself is returned.
      * 
      * @param translationNodeRef        the <b>cm:mlDocument</b>
      * @param locale                    the target locale
-     * @return Returns                  Returns the best match for the locale, or <tt>null</tt> if there
-     *                                  is no near match.
+     * @return                          Returns the best match for the locale (never <tt>null</tt>)
      * 
      * @see #getTranslations(NodeRef)
      * @see org.alfresco.i18n.I18NUtil#getNearestLocale(Locale, Set)
@@ -157,7 +157,8 @@ public interface MultilingualContentService
      * 
      * @param nodeRef       a <b>cm:mlDocument</b>
      * @return              Returns a corresponding <b>cm:mlDocument</b> that matches the locale of
-     *                      of the <b>cm:mlContainer</b>.
+     *                      of the <b>cm:mlContainer</b>.  <tt>null</tt> is returned if there is no
+     *                      pivot translation.
      */
     @Auditable(key = Auditable.Key.ARG_0, parameters = {"nodeRef"})
     NodeRef getPivotTranslation(NodeRef nodeRef);