content: /*
   * Copyright (c) 2015, 2020, 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 java.nio.ByteBuffer;
  
  import com.mysql.cj.Constants;
  import com.mysql.cj.Messages;
  import com.mysql.cj.conf.PropertySet;
  import com.mysql.cj.exceptions.NumberOutOfRange;
  
  /**
   * A value factory for creating double values.
   */
  public class DoubleValueFactory extends AbstractNumericValueFactory<Double> {
  
      public DoubleValueFactory(PropertySet pset) {
          super(pset);
      }
  
      @Override
      public Double createFromBigInteger(BigInteger i) {
          if (this.jdbcCompliantTruncationForReads && (new BigDecimal(i).compareTo(Constants.BIG_DECIMAL_MAX_NEGATIVE_DOUBLE_VALUE) < 0
                  || new BigDecimal(i).compareTo(Constants.BIG_DECIMAL_MAX_DOUBLE_VALUE) > 0)) {
              throw new NumberOutOfRange(Messages.getString("ResultSet.NumberOutOfRange", new Object[] { i, getTargetTypeName() }));
          }
          return i.doubleValue();
      }
  
      @Override
      public Double createFromLong(long l) {
          if (this.jdbcCompliantTruncationForReads && (l < -Double.MAX_VALUE || l > Double.MAX_VALUE)) {
              throw new NumberOutOfRange(Messages.getString("ResultSet.NumberOutOfRange", new Object[] { l, getTargetTypeName() }));
          }
          return (double) l;
      }
  
      @Override
      public Double createFromBigDecimal(BigDecimal d) {
          if (this.jdbcCompliantTruncationForReads
                  && (d.compareTo(Constants.BIG_DECIMAL_MAX_NEGATIVE_DOUBLE_VALUE) < 0 || d.compareTo(Constants.BIG_DECIMAL_MAX_DOUBLE_VALUE) > 0)) {
              throw new NumberOutOfRange(Messages.getString("ResultSet.NumberOutOfRange", new Object[] { d, getTargetTypeName() }));
          }
          return d.doubleValue();
      }
  
      @Override
      public Double createFromDouble(double d) {
          if (this.jdbcCompliantTruncationForReads && (d < -Double.MAX_VALUE || d > Double.MAX_VALUE)) {
              throw new NumberOutOfRange(Messages.getString("ResultSet.NumberOutOfRange", new Object[] { d, getTargetTypeName() }));
          }
          return d;
      }
  
      @Override
      public Double createFromBit(byte[] bytes, int offset, int length) {
          return new BigInteger(ByteBuffer.allocate(length + 1).put((byte) 0).put(bytes, offset, length).array()).doubleValue();
      }
  
      public String getTargetTypeName() {
          return Double.class.getName();
      }
  }
  