com.apress.prospringintegration.corespring.aop.PurchaseOrderDiscountProcessorImpl.java Source code

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Here is the source code for com.apress.prospringintegration.corespring.aop.PurchaseOrderDiscountProcessorImpl.java

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/*
 * Copyright 2002-2011 the original author or authors.
 *
 * 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.apress.prospringintegration.corespring.aop;

import org.springframework.stereotype.Component;

import java.util.Calendar;

public class PurchaseOrderDiscountProcessorImpl implements PurchaseOrderDiscountProcessor {

    public Receipt processDiscountOrder(PurchaseOrder order, DiscountStrategy discountStrategy) throws Exception {

        order.setProcessedTime(Calendar.getInstance().getTime());
        float cost = order.getItemCost();
        float discountAmt = cost * discountStrategy.discountRate;
        order.setDiscountAmount(discountAmt);

        Receipt receipt = new Receipt();

        receipt.setPurchaseAmt(cost);
        receipt.setDiscountedAmount(discountAmt);
        receipt.setAuthcode(Math.round(Math.random() * 2000000));

        return receipt;
    }
}