RequisitionProcessAdditionalValidation.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.purap.document.validation.impl;

import org.kuali.kfs.module.purap.PurapKeyConstants;
import org.kuali.kfs.module.purap.PurapPropertyConstants;
import org.kuali.kfs.module.purap.document.PurchasingDocument;
import org.kuali.kfs.sys.KFSPropertyConstants;
import org.kuali.kfs.sys.document.AmountTotaling;
import org.kuali.kfs.sys.document.validation.GenericValidation;
import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
import org.kuali.rice.krad.util.GlobalVariables;
import org.kuali.rice.krad.util.ObjectUtils;

public class RequisitionProcessAdditionalValidation extends GenericValidation {

    /**
     * Validate that if the PurchaseOrderTotalLimit is not null then the TotalDollarAmount cannot be greater than the
     * PurchaseOrderTotalLimit.
     * 
     * @param purDocument the requisition document to be validated
     * @return boolean true if the TotalDollarAmount is less than the PurchaseOrderTotalLimit and false otherwise.
     */    
    public boolean validate(AttributedDocumentEvent event) {
        boolean valid = true;
        PurchasingDocument purDocument = (PurchasingDocument)event.getDocument();
        GlobalVariables.getMessageMap().clearErrorPath();
        GlobalVariables.getMessageMap().addToErrorPath(KFSPropertyConstants.DOCUMENT);
        if (ObjectUtils.isNotNull(purDocument.getPurchaseOrderTotalLimit()) && ObjectUtils.isNotNull(((AmountTotaling) purDocument).getTotalDollarAmount())) {
            if (((AmountTotaling) purDocument).getTotalDollarAmount().isGreaterThan(purDocument.getPurchaseOrderTotalLimit())) {
                valid &= false;
                GlobalVariables.getMessageMap().putError(PurapPropertyConstants.PURCHASE_ORDER_TOTAL_LIMIT, PurapKeyConstants.ERROR_PURCHASE_ORDER_EXCEEDING_TOTAL_LIMIT);
            }
        }
        GlobalVariables.getMessageMap().clearErrorPath();

        return valid;
    }

}