Java BigInteger Parse toBigInteger(String text)

Description

to Big Integer

License

Apache License

Declaration

private static BigInteger toBigInteger(String text) 

Method Source Code

//package com.java2s;
/*// w  w  w .  j  a  v  a 2s  .  c  om
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 {
    /**
     * The constant BLOCK_SIZE.
     */
    public static final int BLOCK_SIZE = 102;

    private static BigInteger toBigInteger(String text) {
        StringBuilder numberString = new StringBuilder(BLOCK_SIZE + 1);
        numberString.append("1");

        for (int i = 0; i < text.length(); ++i) {
            char c = text.charAt(i);
            int asc = (int) c;

            if (String.valueOf(asc).length() <= 2) {
                numberString.append("0");
            }

            numberString.append(asc);
        }

        return new BigInteger(numberString.toString());
    }
}

Related

1. getBigIntegerValue(final Integer value)
2. getBinaryNumberInString(BigInteger integerNumber)
3. toBigInteger(String bigInteger)
4. toBigInteger(String s)
5. ToBigInteger(String s)
6. toBigInteger(String value, BigInteger defaultValue)
7. toBigIntegerString(byte[] bytes, boolean signed, boolean littleEndian)