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    1   /*
    2    * Copyright 2004-2009 the Seasar Foundation and the Others.
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
    13   * either express or implied. See the License for the specific language
    14   * governing permissions and limitations under the License.
    15   */
    16  package org.seasar.cubby.converter.impl;
    17
    18  import java.math.BigInteger;
    19
    20  /**
    21   * {@link Long}への変換を行うコンバータです。
    22   *
    23   * @author baba
    24   */
    25  public class LongConverter extends AbstractIntegerNumberConverter {
    26
    27  	/** 最小値。 */
    28  	private static final BigInteger MIN_VALUE = BigInteger
    29  			.valueOf(Long.MIN_VALUE);
    30
    31  	/** 最大値。 */
    32  	private static final BigInteger MAX_VALUE = BigInteger
    33  			.valueOf(Long.MAX_VALUE);
    34
    35  	/**
    36  	 * {@inheritDoc}
    37  	 */
    38  	public Class<?> getObjectType() {
    39  		return Long.class;
    40  	}
    41
    42  	/**
    43  	 * {@inheritDoc}
    44  	 */
    45  	@Override
    46  	protected Number convert(final BigInteger integer) {
    47  		return Long.valueOf(integer.longValue());
    48  	}
    49
    50  	/**
    51  	 * {@inheritDoc}
    52  	 */
    53  	@Override
    54  	protected BigInteger getMinValue() {
    55  		return MIN_VALUE;
    56  	}
    57
    58  	/**
    59  	 * {@inheritDoc}
    60  	 */
    61  	@Override
    62  	protected BigInteger getMaxValue() {
    63  		return MAX_VALUE;
    64  	}
    65
    66  }