/*
 * Copyright 2013-present Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package com.facebook.buck.java.abi;

import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

import javax.lang.model.element.Modifier;

class Modifiers {
  public static String printModifiers(Set<Modifier> allModifiers) {
    if (allModifiers.isEmpty()) {
      return "";
    }

    SortedSet<Modifier> sorted = new TreeSet<>(allModifiers);
    return Joiner.on(" ").join(sorted) + " ";
  }
}