content: /*
   * Copyright (c) 2015, 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 java.math.BigDecimal;
  import java.math.BigInteger;
  
  import com.mysql.cj.CharsetMapping;
  import com.mysql.cj.conf.PropertyKey;
  import com.mysql.cj.conf.PropertySet;
  import com.mysql.cj.protocol.InternalDate;
  import com.mysql.cj.protocol.InternalTime;
  import com.mysql.cj.protocol.InternalTimestamp;
  import com.mysql.cj.util.DataTypeUtil;
  import com.mysql.cj.util.StringUtils;
  
  /**
   * A {@link com.mysql.cj.result.ValueFactory} implementation to create strings.
   */
  public class StringValueFactory implements ValueFactory<String> {
      protected PropertySet pset = null;
  
      public StringValueFactory(PropertySet pset) {
          this.pset = pset;
      }
  
      @Override
      public void setPropertySet(PropertySet pset) {
          this.pset = pset;
      }
  
      /**
       * Create a string from InternalDate. The fields are formatted in a YYYY-mm-dd format.
       * 
       * @param idate
       *            {@link InternalDate}
       * @return string
       */
      public String createFromDate(InternalDate idate) {
          // essentially the same string we received from the server, no TZ interpretation
          return String.format("%04d-%02d-%02d", idate.getYear(), idate.getMonth(), idate.getDay());
      }
  
      /**
       * Create a string from InternalTime. The fields are formatted in a HH:MM:SS[.nnnnnnnnn] format.
       * 
       * @param it
       *            {@link InternalTime}
       * @return string
       */
      public String createFromTime(InternalTime it) {
          return it.toString();
      }
  
      /**
       * Create a string from time fields. The fields are formatted by concatenating the result of {@link #createFromDate(InternalDate)} and {@link
       * #createFromTime(InternalTime)}.
       * 
       * @param its
       *            {@link InternalTimestamp}
       * @return string
       */
      public String createFromTimestamp(InternalTimestamp its) {
          return String.format("%s %s", createFromDate(its),
                  createFromTime(new InternalTime(its.getHours(), its.getMinutes(), its.getSeconds(), its.getNanos(), its.getScale())));
      }
  
      /**
       * Create a string from time fields. The fields are formatted by concatenating the result of {@link #createFromDate(InternalDate)} and {@link
       * #createFromTime(InternalTime)}.
       * 
       * @param its
       *            {@link InternalTimestamp}
       * @return string
       */
      public String createFromDatetime(InternalTimestamp its) {
          return String.format("%s %s", createFromDate(its),
                  createFromTime(new InternalTime(its.getHours(), its.getMinutes(), its.getSeconds(), its.getNanos(), its.getScale())));
      }
  
      public String createFromLong(long l) {
          return String.valueOf(l);
      }
  
      public String createFromBigInteger(BigInteger i) {
          return i.toString();
      }
  
      public String createFromDouble(double d) {
          return String.valueOf(d);
      }
  
      public String createFromBigDecimal(BigDecimal d) {
          return d.toString();
      }
  
      /**
       * Interpret the given byte array as a string. This value factory needs to know the encoding to interpret the string. The default (null) will interpret the
       * byte array using the platform encoding.
       * 
       * @param bytes
       *            byte array
       * @param offset
       *            offset
       * @param length
       *            data length in bytes
       * @param f
       *            field
       * @return string
       */
      public String createFromBytes(byte[] bytes, int offset, int length, Field f) {
          return StringUtils.toString(bytes, offset, length,
                  f.getCollationIndex() == CharsetMapping.MYSQL_COLLATION_INDEX_binary ? this.pset.getStringProperty(PropertyKey.characterEncoding).getValue()
                          : f.getEncoding());
      }
  
      @Override
      public String createFromBit(byte[] bytes, int offset, int length) {
          return createFromLong(DataTypeUtil.bitToLong(bytes, offset, length));
      }
  
      @Override
      public String createFromYear(long l) {
          if (this.pset.getBooleanProperty(PropertyKey.yearIsDateType).getValue()) {
              if (l < 100) {
                  if (l <= 69) {
                      l += 100;
                  }
                  l += 1900;
              }
              return createFromDate(new InternalDate((int) l, 1, 1));
          }
          return createFromLong(l);
      }
  
      public String createFromNull() {
          return null;
      }
  
      public String getTargetTypeName() {
          return String.class.getName();
      }
  }
  