content: /*
   * Copyright (c) 2019, 2021, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj.result;
  
  import com.mysql.cj.Messages;
  import com.mysql.cj.conf.PropertyDefinitions;
  import com.mysql.cj.conf.PropertyKey;
  import com.mysql.cj.conf.PropertySet;
  import com.mysql.cj.exceptions.DataConversionException;
  import com.mysql.cj.protocol.InternalDate;
  import com.mysql.cj.protocol.InternalTime;
  import com.mysql.cj.protocol.InternalTimestamp;
  import com.mysql.cj.protocol.a.MysqlTextValueDecoder;
  import com.mysql.cj.util.StringUtils;
  
  public abstract class AbstractDateTimeValueFactory<T> extends DefaultValueFactory<T> {
  
      public AbstractDateTimeValueFactory(PropertySet pset) {
          super(pset);
      }
  
      abstract T localCreateFromDate(InternalDate idate);
  
      abstract T localCreateFromTime(InternalTime it);
  
      abstract T localCreateFromTimestamp(InternalTimestamp its);
  
      abstract T localCreateFromDatetime(InternalTimestamp its);
  
      @Override
      public T createFromDate(InternalDate idate) {
          if (idate.isZero()) {
              switch (this.pset.<PropertyDefinitions.ZeroDatetimeBehavior>getEnumProperty(PropertyKey.zeroDateTimeBehavior).getValue()) {
                  case CONVERT_TO_NULL:
                      return null;
                  case ROUND:
                      return localCreateFromDate(new InternalDate(1, 1, 1));
                  default:
                      break;
              }
          }
          return localCreateFromDate(idate);
      }
  
      @Override
      public T createFromTime(InternalTime it) {
          return localCreateFromTime(it);
      }
  
      @Override
      public T createFromTimestamp(InternalTimestamp its) {
          if (its.isZero()) {
              switch (this.pset.<PropertyDefinitions.ZeroDatetimeBehavior>getEnumProperty(PropertyKey.zeroDateTimeBehavior).getValue()) {
                  case CONVERT_TO_NULL:
                      return null;
                  case ROUND:
                      return localCreateFromTimestamp(new InternalTimestamp(1, 1, 1, 0, 0, 0, 0, 0));
                  default:
                      break;
              }
          }
          return localCreateFromTimestamp(its);
      }
  
      @Override
      public T createFromDatetime(InternalTimestamp its) {
          if (its.isZero()) {
              switch (this.pset.<PropertyDefinitions.ZeroDatetimeBehavior>getEnumProperty(PropertyKey.zeroDateTimeBehavior).getValue()) {
                  case CONVERT_TO_NULL:
                      return null;
                  case ROUND:
                      return localCreateFromDatetime(new InternalTimestamp(1, 1, 1, 0, 0, 0, 0, 0));
                  default:
                      break;
              }
          }
          return localCreateFromDatetime(its);
      }
  
      @Override
      public T createFromYear(long year) {
          if (this.pset.getBooleanProperty(PropertyKey.yearIsDateType).getValue()) {
              if (year < 100) {
                  if (year <= 69) {
                      year += 100;
                  }
                  year += 1900;
              }
              return createFromDate(new InternalDate((int) year, 1, 1));
          }
          return createFromLong(year);
      }
  
      @Override
      public T createFromBytes(byte[] bytes, int offset, int length, Field f) {
          if (length == 0 && this.pset.getBooleanProperty(PropertyKey.emptyStringsConvertToZero).getValue()) {
              return createFromLong(0);
          }
  
          String s = StringUtils.toString(bytes, offset, length, f.getEncoding());
          byte[] newBytes = s.getBytes();
  
          if (MysqlTextValueDecoder.isDate(s)) {
              return createFromDate(MysqlTextValueDecoder.getDate(newBytes, 0, newBytes.length));
  
          } else if (MysqlTextValueDecoder.isTime(s)) {
              return createFromTime(MysqlTextValueDecoder.getTime(newBytes, 0, newBytes.length, f.getDecimals()));
  
          } else if (MysqlTextValueDecoder.isTimestamp(s)) {
              return createFromTimestamp(MysqlTextValueDecoder.getTimestamp(newBytes, 0, newBytes.length, f.getDecimals()));
          }
          throw new DataConversionException(Messages.getString("ResultSet.UnableToConvertString", new Object[] { s, getTargetTypeName() }));
      }
  }
  