Java BigDecimal from byteToBigDecimal(byte[] raw)

Description

This method will convert a byte value back to big decimal value

License

Apache License

Parameter

Parameter	Description
raw	a parameter

Declaration

public static BigDecimal byteToBigDecimal(byte[] raw) 

Method Source Code

//package com.java2s;
/*//ww w  .ja v  a  2  s.co  m
 * 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.BigDecimal;
import java.math.BigInteger;

public class Main {
    /**
     * This method will convert a byte value back to big decimal value
     *
     * @param raw
     * @return
     */
    public static BigDecimal byteToBigDecimal(byte[] raw) {
        int scale = (raw[0] & 0xFF);
        byte[] unscale = new byte[raw.length - 1];
        System.arraycopy(raw, 1, unscale, 0, unscale.length);
        BigInteger sig = new BigInteger(unscale);
        return new BigDecimal(sig, scale);
    }

    /**
     * This method will convert a byte value back to big decimal value
     *
     * @param raw
     * @return
     */
    public static BigDecimal byteToBigDecimal(byte[] raw, int offset,
            int length) {
        int scale = (raw[offset] & 0xFF);
        byte[] unscale = new byte[length - 1];
        System.arraycopy(raw, offset + 1, unscale, 0, unscale.length);
        BigInteger sig = new BigInteger(unscale);
        return new BigDecimal(sig, scale);
    }
}

Related

1. bytesToBigDecimal(byte[] buffer)
2. byteToBigDecimal(byte[] raw)
3. castBigDecimal(Object o)
4. castToBigDecimal(Object value)
5. convertNumberToBigDecimal(Number aNumber)