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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 scatours.payment.creditcard.impl;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import scatours.currency.CurrencyConverter;
import scatours.payment.creditcard.CreditCardDetailsType;
import scatours.payment.creditcard.CreditCardPayment;
public class CreditCardPaymentImpl implements CreditCardPayment {
private BundleContext context;
public CreditCardPaymentImpl(BundleContext context) {
super();
this.context = context;
}
public String authorize(CreditCardDetailsType creditCard, float amount) {
if (creditCard != null) {
System.out.println("Checking card: name = " + creditCard.getCardOwner().getName()
+ " number = "
+ creditCard.getCreditCardNumber()
+ " for amount "
+ amount + " EUR");
amount = convertCurrency(amount);
} else {
System.out.println("Credit card is null");
}
return "OK";
}
private float convertCurrency(float amount) {
ServiceReference ref = context.getServiceReference(CurrencyConverter.class.getName());
if (ref != null) {
CurrencyConverter converter = (CurrencyConverter)context.getService(ref);
if (converter != null) {
amount = converter.convert("EUR", "USD", amount);
context.ungetService(ref);
return amount;
}
}
throw new IllegalArgumentException("Currency cannot be converted");
}
}
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