content: /**
   * JBoss, Home of Professional Open Source
   * Copyright Red Hat, Inc., and individual contributors.
   *
   * 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 org.jboss.aerogear.unifiedpush.utils;
  
  import java.util.Calendar;
  import java.util.Date;
  
  public final class DateUtils {
  
      private DateUtils() {
          // no-op
      }
  
      /**
       * Returns date in history: Today - the given number of days
       *
       * @param days number of days
       *
       * @return date object that lives n days in the past
       */
      public static Date calculatePastDate(int days) {
          final Calendar cal = Calendar.getInstance();
          cal.add(Calendar.DATE, -days);
  
          return cal.getTime();
      }
  }
  