protected SocialActivityFeedEntry doInterpret(SocialActivity activity, ThemeDisplay themeDisplay)
      throws Exception {

    String creatorUserName = getUserName(activity.getUserId(), themeDisplay);
    String receiverUserName = getUserName(activity.getReceiverUserId(), themeDisplay);

    User receiverUser = UserLocalServiceUtil.getUserById(activity.getReceiverUserId());

    if (!SocialRelationLocalServiceUtil.hasRelation(
            themeDisplay.getUserId(),
            activity.getReceiverUserId(),
            SocialRelationConstants.TYPE_BI_FRIEND)
        && (themeDisplay.getUserId() != activity.getReceiverUserId())) {

      return null;
    }

    int activityType = activity.getType();

    // Link

    WallEntry wallEntry = WallEntryLocalServiceUtil.getWallEntry(activity.getClassPK());

    String link =
        themeDisplay.getPortalURL()
            + themeDisplay.getPathFriendlyURLPublic()
            + StringPool.SLASH
            + HtmlUtil.escapeURL(receiverUser.getScreenName())
            + "/profile/-/wall/"
            + activity.getClassPK();

    // Title

    String title = StringPool.BLANK;

    if (activityType == WallActivityKeys.ADD_ENTRY) {
      title =
          themeDisplay.translate(
              "activity-social-networking-wall-add-entry",
              new Object[] {creatorUserName, receiverUserName});
    }

    // Body

    StringBuilder sb = new StringBuilder();

    sb.append("<a href=\"");
    sb.append(link);
    sb.append("\">");
    sb.append(HtmlUtil.escape(cleanContent(wallEntry.getComments())));
    sb.append("</a>");

    String body = sb.toString();

    return new SocialActivityFeedEntry(link, title, body);
  }
  protected String getProfileFriendlyURL() {
    if (Validator.isNull(PropsValues.USERS_PROFILE_FRIENDLY_URL)) {
      return null;
    }

    return StringUtil.replace(
        PropsValues.USERS_PROFILE_FRIENDLY_URL,
        new String[] {"${liferay:screenName}", "${liferay:userId}"},
        new String[] {HtmlUtil.escapeURL(getScreenName()), String.valueOf(getUserId())});
  }