Java Number Convert parseAmountConversionRate(String convRate)

Description

Parse currency amount conversion rate string

Suitble for parse fields 10 and 11

License

Open Source License

Parameter

Parameter	Description
convRate	amount conversation rate

Exception

Parameter	Description
IllegalArgumentException	an exception

Return

parsed currency amount conversation rate

Declaration

public static double parseAmountConversionRate(String convRate) 

Method Source Code

//package com.java2s;
/*// w ww  .  j ava2s  . c  o m
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2019 jPOS Software SRL
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.math.BigDecimal;

public class Main {
    /**
     * Parse currency amount conversion rate string
     * <p/>
     * Suitble for parse fields 10 and 11
     *
     * @param convRate amount conversation rate
     * @return parsed currency amount conversation rate
     * @throws IllegalArgumentException
     */
    public static double parseAmountConversionRate(String convRate) {
        if (convRate == null || convRate.length() != 8)
            throw new IllegalArgumentException("Invalid amount converion rate argument: '" + convRate + "'");
        BigDecimal bd = new BigDecimal(convRate);
        int pow = bd.movePointLeft(7).intValue();
        bd = new BigDecimal(convRate.substring(1));
        return bd.movePointLeft(pow).doubleValue();
    }
}

Related

1. numToIPv4(StringBuilder host)
2. numToLetter(String input)
3. numToPowerOf(int num, int toPowerOf)
4. numToStringWithOrder(long count)
5. numToWords(long num)