Java BigInteger Parse toBigInteger(String value, BigInteger defaultValue)

Description

to Big Integer

License

LGPL

Declaration

public static BigInteger toBigInteger(String value, BigInteger defaultValue) 

Method Source Code

//package com.java2s;
/**/*from  w  w w.  j a  v  a  2s  .co  m*/
 * Copyright (c) 2015-2016, Michael Yang ?????? (fuhai999@gmail.com).
 *
 * Licensed under the GNU Lesser General Public License (LGPL) ,Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.gnu.org/licenses/lgpl-3.0.txt
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.math.BigInteger;

public class Main {
    public static BigInteger toBigInteger(String value, BigInteger defaultValue) {
        try {
            if (value == null || "".equals(value.trim()))
                return defaultValue;
            value = value.trim();
            if (value.startsWith("N") || value.startsWith("n"))
                return new BigInteger(value).negate();
            return new BigInteger(value);
        } catch (Exception e) {
        }
        return defaultValue;
    }
}

Related

1. getBinaryNumberInString(BigInteger integerNumber)
2. toBigInteger(String bigInteger)
3. toBigInteger(String s)
4. ToBigInteger(String s)
5. toBigInteger(String text)
6. toBigIntegerString(byte[] bytes, boolean signed, boolean littleEndian)