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   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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
   *
   *    https://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
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  package org.apache.cayenne.dba.sqlite;
  
  import org.apache.cayenne.access.types.CalendarType;
  import org.apache.cayenne.access.types.ExtendedType;
  
  import java.sql.CallableStatement;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  
  /**
   * @since 3.0
   */
  class SQLiteCalendarType<T extends Calendar> implements ExtendedType<Calendar> {
  
      protected ExtendedType<Calendar> delegateCalendarType;
      protected ExtendedType<Date> delegateDateType;
  
      public SQLiteCalendarType(Class<T> calendarClass) {
          this.delegateCalendarType = new CalendarType<>(calendarClass);
          this.delegateDateType = new SQLiteDateType();
      }
  
      @Override
      public String getClassName() {
          return delegateCalendarType.getClassName();
      }
  
      @Override
      public Calendar materializeObject(CallableStatement rs, int index, int type)
              throws Exception {
  
          Date date = delegateDateType.materializeObject(rs, index, type);
          if (date == null) {
              return null;
          }
  
          GregorianCalendar calendar = new GregorianCalendar();
          calendar.setTime(date);
          return calendar;
      }
  
      @Override
      public Calendar materializeObject(ResultSet rs, int index, int type) throws Exception {
          Date date = delegateDateType.materializeObject(rs, index, type);
          if (date == null) {
              return null;
          }
  
          GregorianCalendar calendar = new GregorianCalendar();
          calendar.setTime(date);
          return calendar;
      }
  
      @Override
      public void setJdbcObject(
              PreparedStatement statement,
              Calendar value,
              int pos,
              int type,
              int precision) throws Exception {
          delegateCalendarType.setJdbcObject(statement, value, pos, type, precision);
      }
  
      @Override
      public String toString(Calendar value) {
          if (value == null) {
              return "NULL";
          }
  
          return value.getClass().getName() + '(' + new java.sql.Timestamp(value.getTimeInMillis()) + ')';
      }
  }
  