CustomerCreditMemoDetailAmountValidation.java example

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/*
 * The Kuali Financial System, a comprehensive financial management system for higher education.
 * 
 * Copyright 2005-2014 The Kuali Foundation
 * 
 * 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/>.
 */
package org.kuali.kfs.module.ar.document.validation.impl;

import static org.kuali.kfs.sys.document.validation.impl.AccountingDocumentRuleBaseConstants.ERROR_PATH.DOCUMENT_ERROR_PREFIX;

import java.math.BigDecimal;

import org.kuali.kfs.module.ar.ArKeyConstants;
import org.kuali.kfs.module.ar.ArPropertyConstants;
import org.kuali.kfs.module.ar.businessobject.CustomerCreditMemoDetail;
import org.kuali.kfs.sys.document.validation.GenericValidation;
import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
import org.kuali.rice.core.api.util.type.KualiDecimal;
import org.kuali.rice.krad.util.GlobalVariables;
import org.kuali.rice.krad.util.ObjectUtils;

public class CustomerCreditMemoDetailAmountValidation extends GenericValidation {

    private CustomerCreditMemoDetail customerCreditMemoDetail;
    
    public boolean validate(AttributedDocumentEvent event) {

        BigDecimal quantity = customerCreditMemoDetail.getCreditMemoItemQuantity();
        KualiDecimal invoiceOpenItemAmount = customerCreditMemoDetail.getInvoiceOpenItemAmount();
        KualiDecimal creditMemoItemAmount = customerCreditMemoDetail.getCreditMemoItemTotalAmount();
        boolean isValid;

        if (ObjectUtils.isNotNull(creditMemoItemAmount) && ObjectUtils.isNull(quantity)) {
            
            // customer credit memo total amount must be greater than zero
            isValid = creditMemoItemAmount.isPositive();
            if (!isValid) {
                GlobalVariables.getMessageMap().putError(DOCUMENT_ERROR_PREFIX + ArPropertyConstants.CustomerCreditMemoDocumentFields.CREDIT_MEMO_ITEM_TOTAL_AMOUNT, ArKeyConstants.ERROR_CUSTOMER_CREDIT_MEMO_DETAIL_ITEM_AMOUNT_LESS_THAN_OR_EQUAL_TO_ZERO);
                return false;
            }

            // customer credit memo total amount must not be greater than invoice open item total amount
            isValid = creditMemoItemAmount.isLessEqual(invoiceOpenItemAmount);
            if (!isValid) {
                GlobalVariables.getMessageMap().putError(DOCUMENT_ERROR_PREFIX + ArPropertyConstants.CustomerCreditMemoDocumentFields.CREDIT_MEMO_ITEM_TOTAL_AMOUNT, ArKeyConstants.ERROR_CUSTOMER_CREDIT_MEMO_DETAIL_ITEM_AMOUNT_GREATER_THAN_INVOICE_ITEM_AMOUNT);
                return false;
            }
        }
        return true;
    }    
    
    public CustomerCreditMemoDetail getCustomerCreditMemoDetail() {
        return customerCreditMemoDetail;
    }

    public void setCustomerCreditMemoDetail(CustomerCreditMemoDetail customerCreditMemoDetail) {
        this.customerCreditMemoDetail = customerCreditMemoDetail;
    }



}