com.labs64.netlicensing.domain.vo.Money.java Source code

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Here is the source code for com.labs64.netlicensing.domain.vo.Money.java

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/* 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.
 */
package com.labs64.netlicensing.domain.vo;

import java.math.BigDecimal;

import javax.xml.bind.DatatypeConverter;

import org.apache.commons.lang3.StringUtils;

import com.labs64.netlicensing.domain.Constants;

/**
 * Holds amount of money with associated currency.
 * <p>
 * Consider more comprehensive implementation using one of:
 * <ul>
 * <li>http://joda-money.sourceforge.net/</li>
 * <li>http://java.net/projects/javamoney</li>
 * </ul>
 */
public class Money {

    private BigDecimal amount;

    private String currencyCode;

    public BigDecimal getAmount() {
        return amount;
    }

    public void setAmount(final BigDecimal amount) {
        this.amount = amount;
    }

    public String getCurrencyCode() {
        return currencyCode;
    }

    public void setCurrencyCode(final String currencyCode) {
        this.currencyCode = currencyCode;
    }

    public static Money convertPrice(final String rawPrice, final String rawCurrency) {
        final Money target = new Money();
        if (StringUtils.isNotBlank(rawPrice)) {
            try {
                target.setAmount(DatatypeConverter.parseDecimal(rawPrice));
            } catch (final NumberFormatException e) {
                throw new IllegalArgumentException(
                        "'" + Constants.PRICE + "' format is not correct, expected '0.00' format");
            }
            if (StringUtils.isNotBlank(rawCurrency)) {
                if (Currency.parseValueSafe(rawCurrency) == null) {
                    throw new IllegalArgumentException("Unsupported currency!");
                }
                target.setCurrencyCode(rawCurrency);
            } else {
                throw new IllegalArgumentException("'" + Constants.PRICE + "' field must be accompanied with the '"
                        + Constants.CURRENCY + "' field");
            }
        } else { // 'price' is not provided
            if (StringUtils.isNotBlank(rawCurrency)) {
                throw new IllegalArgumentException("'" + Constants.CURRENCY
                        + "' field can not be used without the '" + Constants.PRICE + "' field");
            }
        }
        return target;
    }

}