Java BigDecimal Create getBigDecimalOrNull(Object value)

Description

get Big Decimal Or Null

License

Apache License

Declaration

public static BigDecimal getBigDecimalOrNull(Object value) 

Method Source Code

//package com.java2s;
/*//from   w w  w  . j av  a2  s .  c om
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;

import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;

public class Main {
    public static BigDecimal getBigDecimalOrNull(Object value) {
        if (!(value instanceof Number || value instanceof String)) {
            return null;
        }
        if (!BigDecimal.class.isAssignableFrom(value.getClass())) {
            if (value instanceof Long || value instanceof Integer || value instanceof Short || value instanceof Byte
                    || value instanceof AtomicLong || value instanceof AtomicInteger) {
                value = new BigDecimal(((Number) value).longValue(), MathContext.DECIMAL128);
            } else if (value instanceof BigInteger) {
                value = new BigDecimal(((BigInteger) value).toString(), MathContext.DECIMAL128);
            } else if (value instanceof String) {
                // we need to remove leading zeros to prevent octal conversion
                value = new BigDecimal(((String) value).replaceFirst("^0+(?!$)", ""), MathContext.DECIMAL128);
            } else {
                value = new BigDecimal(((Number) value).doubleValue(), MathContext.DECIMAL128);
            }
        }
        return (BigDecimal) value;
    }
}

Related

1. getBigDecimalArrayFromByteArray(byte[] buf)
2. getBigDecimalByObject(Object obj)
3. getBigDecimalFrom(double value)
4. getBigDecimalFromByteArray(byte[] bytes, int start, int length, int scale)
5. getBigDecimalFromPrimitiveTypes(int input, int scale, int precision)
6. getBigDecimalValue(Object o)
7. getDecimal(double a)
8. getDecimal(Object[] data, int ordinal)
9. getDecimal(String clusive, int[] currentDecimal)