content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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.activiti.engine.impl.calendar;
  
  import java.util.Date;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.api.internal.Internal;
  import org.activiti.engine.runtime.ClockReader;
  
  @Internal
  public class CycleBusinessCalendar extends BusinessCalendarImpl {
  
      public static String NAME = "cycle";
  
      public CycleBusinessCalendar(ClockReader clockReader) {
          super(clockReader);
      }
  
      public Date resolveDuedate(String duedateDescription, int maxIterations) {
          try {
              if (duedateDescription != null && duedateDescription.startsWith("R")) {
                  return new DurationHelper(duedateDescription, maxIterations, clockReader).getDateAfter();
              } else {
                  CronExpression ce = new CronExpression(duedateDescription, clockReader);
                  return ce.getTimeAfter(clockReader.getCurrentTime());
              }
          } catch (Exception e) {
              throw new ActivitiException("Failed to parse cron expression: " + duedateDescription, e);
          }
      }
  
      public Boolean validateDuedate(String duedateDescription, int maxIterations, Date endDate, Date newTimer) {
          if (endDate != null) {
              return super.validateDuedate(duedateDescription, maxIterations, endDate, newTimer);
          }
          // end date could be part of the chron expression
          try {
              if (duedateDescription != null && duedateDescription.startsWith("R")) {
                  return new DurationHelper(duedateDescription, maxIterations, clockReader).isValidDate(newTimer);
              } else {
                  return true;
              }
          } catch (Exception e) {
              throw new ActivitiException("Failed to parse cron expression: " + duedateDescription, e);
          }
      }
  }
  