Java BigInteger Create toBigInteger(Object o)

Description

to Big Integer

License

Apache License

Declaration

static BigInteger toBigInteger(Object o) 

Method Source Code

//package com.java2s;
/*/*from w ww  .j a  v  a 2s.c o m*/
 * Copyright 2014 Yuichiro Moriguchi
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 {
    static BigInteger toBigInteger(Object o) {
        if (o instanceof Integer) {
            return BigInteger.valueOf(((Integer) o).intValue());
        } else if (o instanceof BigInteger) {
            return (BigInteger) o;
        } else if (o instanceof Double) {
            return null;
        } else {
            throw new IllegalArgumentException();
        }
    }
}

Related

1. toBigInteger(final Integer i)
2. toBigInteger(int arg)
3. toBigInteger(int[] x, int bitsPerDigit)
4. toBigInteger(List integerVector)
5. toBigInteger(long value)
6. toBigInteger(Object value)
7. toBigInteger(UUID uuid)