CustomerInvoiceMaximumNumberOfRecurrencesValidation.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.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.kuali.kfs.module.ar.ArConstants;
import org.kuali.kfs.module.ar.ArKeyConstants;
import org.kuali.kfs.module.ar.ArPropertyConstants;
import org.kuali.kfs.module.ar.businessobject.InvoiceRecurrence;
import org.kuali.kfs.module.ar.document.CustomerInvoiceDocument;
import org.kuali.kfs.sys.context.SpringContext;
import org.kuali.kfs.sys.document.validation.GenericValidation;
import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
import org.kuali.rice.coreservice.framework.parameter.ParameterService;
import org.kuali.rice.krad.util.GlobalVariables;
import org.kuali.rice.krad.util.ObjectUtils;

public class CustomerInvoiceMaximumNumberOfRecurrencesValidation extends GenericValidation {
    
    private CustomerInvoiceDocument customerInvoiceDocument;

    public boolean validate(AttributedDocumentEvent event) {
        
        // short circuit if no recurrence object at all
        if (ObjectUtils.isNull(customerInvoiceDocument.getCustomerInvoiceRecurrenceDetails())) {
            return true;
        }
        
        if (ObjectUtils.isNull(customerInvoiceDocument.getCustomerInvoiceRecurrenceDetails().getDocumentRecurrenceIntervalCode()) ||
            ObjectUtils.isNull(customerInvoiceDocument.getCustomerInvoiceRecurrenceDetails().getDocumentTotalRecurrenceNumber())) {
            return true;
        }

        boolean success = true;
        Integer maximumRecurrencesByInterval;
        if (ObjectUtils.isNotNull(customerInvoiceDocument.getCustomerInvoiceRecurrenceDetails().getDocumentRecurrenceIntervalCode())) {
            List<String> maximumRecurrences = new ArrayList<String>( SpringContext.getBean(ParameterService.class).getSubParameterValuesAsString(InvoiceRecurrence.class, ArConstants.MAXIMUM_RECURRENCES_BY_INTERVAL, customerInvoiceDocument.getCustomerInvoiceRecurrenceDetails().getDocumentRecurrenceIntervalCode()) );
            if (maximumRecurrences.size() > 0 && StringUtils.isNotBlank(maximumRecurrences.get(0))) {
                maximumRecurrencesByInterval = Integer.valueOf(maximumRecurrences.get(0));
                if (customerInvoiceDocument.getCustomerInvoiceRecurrenceDetails().getDocumentTotalRecurrenceNumber() > maximumRecurrencesByInterval) {
                    GlobalVariables.getMessageMap().putError(DOCUMENT_ERROR_PREFIX + ArPropertyConstants.CustomerInvoiceDocumentFields.INVOICE_DOCUMENT_RECURRENCE_TOTAL_RECURRENCE_NUMBER, ArKeyConstants.ERROR_TOTAL_NUMBER_OF_RECURRENCES_GREATER_THAN_ALLOWED, maximumRecurrences.get(0));
                    return false;
                }
            }
        }
        return true;
    }

    public CustomerInvoiceDocument getCustomerInvoiceDocument() {
        return customerInvoiceDocument;
    }

    public void setCustomerInvoiceDocument(CustomerInvoiceDocument customerInvoiceDocument) {
        this.customerInvoiceDocument = customerInvoiceDocument;
    }
}