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/*
* 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.
*/
package com.tuscanyscatours.usingsca.impl;
import java.math.BigDecimal;
import org.osoa.sca.annotations.Property;
import com.tuscanyscatours.CurrencyConverter;
public class CurrencyConverterImpl implements CurrencyConverter {
@Property
protected String fromCurrency;
@Property
protected String toCurrency;
public BigDecimal convert(BigDecimal amount) {
return amount.multiply(getRate(toCurrency))
.divide(getRate(fromCurrency), 2, 0);
}
private BigDecimal getRate(String currency) {
int rate = 0;
for (int i = 0; i < currency.length(); i++) {
rate += currency.codePointAt(i);
}
return new BigDecimal(rate).divide(new BigDecimal(100));
}
}
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