从mailto链接添加邮件集的紧急优先级

this.emailLinks = emailLinks;

this.priorities = new ArrayList<>();

  priorities.add(priority);

List<Integer> sortedPriorities = new ArrayList<>(

        requestedPriorities

);

Collections.sort(sortedPriorities);

Map<Integer, List<String>> groupOfPriorities = new HashMap<>();

for (int priority : sortedPriorities) {

  for (String emailLink : emailLinks) {

    String[] linkSplit = emailLink.split("@");

    String smtpAddress = linkSplit[0];

    if (smtpAddress.length() > 6 && smtpAddress.charAt(smtpAddress.length() - 7) == '#'){

      int priorityValue = Integer.parseInt(smtpAddress.substring(smtpAddress.length() - 6));

      if (groupOfPriorities.containsKey(priorityValue)

          && groupOfPriorities.get(priorityValue).size() > 0){

        groupOfPriorities.get(priorityValue).add(emailLink);

      } else {

        groupOfPriorities.put(priorityValue, Collections.singletonList(emailLink));

      }

    } else if (emailLink.contains("#priority=")){

      String priorityValue = emailLink.substring("#priority=".length());

      if (groupOfPriorities.containsKey(priorityValue)

          && groupOfPriorities.get(priorityValue).size() > 0){

        groupOfPriorities.get(priorityValue).add(emailLink);

      } else {

        groupOfPriorities.put(priorityValue, Collections.singletonList(emailLink));

      }

    } else {

      groupOfPriorities.put(priority, Collections.singletonList(emailLink));

    }

  }

}

List<List<String>> result = new ArrayList<>();

for (List<String> priorities : groupOfPriorities.values()){

  if (priorities.size() > 0){

    result.add(priorities);

  }

}

return result;