return Integer.valueOf(3);
        }

        /**
         * @return BigDecimal
         */
        public BigDecimal getGgg() {
            return ggg_;
        }

        /**
         * @param ggg
         */
        public void setGgg(final BigDecimal ggg) {
            ggg_ = ggg;
        }

        /**
         * @return Timestamp
         */

# | NUMERIC       | java.math.BigDecimal | decimal?      |
# | DECIMAL       | java.math.BigDecimal | decimal?      |
# | TINYINT       | java.lang.Integer    | int?          |
# | SMALLINT      | java.lang.Integer    | int?          |
# | INTEGER       | java.lang.Integer    | int?          |
# | BIGINT        | java.lang.Long       | long?         |
# | REAL          | java.math.BigDecimal | decimal?      |

        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

    public void test_ofNullable_withBigDecimal() {
        BigDecimal testValue = new BigDecimal("123.456");
        OptionalEntity<BigDecimal> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

   */
  private static long computeMeanSafely(long x, long y) {
    BigInteger bigX = BigInteger.valueOf(x);
    BigInteger bigY = BigInteger.valueOf(y);
    BigDecimal two = BigDecimal.valueOf(2); // Android doesn't have BigDecimal.TWO yet
    BigDecimal bigMean = new BigDecimal(bigX.add(bigY)).divide(two, RoundingMode.FLOOR);
    return bigMean.longValueExact();
  }

  private static boolean fitsInLong(BigInteger big) {

   */
  private static int computeMeanSafely(int x, int y) {
    BigInteger bigX = BigInteger.valueOf(x);
    BigInteger bigY = BigInteger.valueOf(y);
    BigDecimal two = BigDecimal.valueOf(2); // Android doesn't have BigDecimal.TWO yet
    BigDecimal bigMean = new BigDecimal(bigX.add(bigY)).divide(two, RoundingMode.FLOOR);
    return bigMean.intValueExact();
  }

  private static boolean fitsInInt(BigInteger big) {

   *     is not an integer multiple of {@code b}
   */
  @GwtIncompatible // TODO
  public static BigInteger divide(BigInteger p, BigInteger q, RoundingMode mode) {
    BigDecimal pDec = new BigDecimal(p);
    BigDecimal qDec = new BigDecimal(q);
    return pDec.divide(qDec, 0, mode).toBigIntegerExact();
  }

  /**
   * Returns {@code n!}, that is, the product of the first {@code n} positive integers, or {@code 1}

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DecimalFormatSymbols;
import java.util.Locale;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.text.DecimalFormatSymbolsUtil;

/**

                }
            }

            @Override
            public BigDecimal getAsDecimal(String propertyKey) {
                String value = get(propertyKey);
                if (value == null) {
                    return null;
                }
                try {
                    return new BigDecimal(value);
                } catch (NumberFormatException e) {
                    return null;

          .put(Number.class, 0)
          .put(UnsignedInteger.class, UnsignedInteger.ZERO)
          .put(UnsignedLong.class, UnsignedLong.ZERO)
          .put(BigInteger.class, BigInteger.ZERO)
          .put(BigDecimal.class, BigDecimal.ZERO)
          .put(CharSequence.class, "")
          .put(String.class, "")
          .put(Pattern.class, Pattern.compile(""))
          .put(MatchResult.class, createMatchResult())

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.util;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.time.ZonedDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;