001    /*
002     * Copyright 2011 The Kuali Foundation.
003     * 
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     * http://www.opensource.org/licenses/ecl2.php
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.kfs.module.purap.document.validation.impl;
017    
018    import java.math.BigDecimal;
019    
020    import org.kuali.kfs.module.purap.PurapConstants;
021    import org.kuali.kfs.module.purap.PurapKeyConstants;
022    import org.kuali.kfs.module.purap.document.PurchasingDocument;
023    import org.kuali.kfs.sys.KFSPropertyConstants;
024    import org.kuali.kfs.sys.businessobject.AccountingLine;
025    import org.kuali.kfs.sys.document.validation.GenericValidation;
026    import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
027    import org.kuali.rice.kns.util.GlobalVariables;
028    import org.kuali.rice.kns.util.KualiDecimal;
029    
030    public class PurchasingProcessTotalCostValidation extends GenericValidation {
031        
032        /**
033         * Validates that the total cost must be greater or equal to zero.
034         * 
035         * @param purDocument the purchasing document to be validated
036         * @return boolean false if the total cost is less than zero.
037         */
038        public boolean validate(AttributedDocumentEvent event) {
039            boolean valid = true;
040            if (((PurchasingDocument)event.getDocument()).getTotalDollarAmount().isLessThan(new KualiDecimal(BigDecimal.ZERO))) {
041                valid = false;
042                GlobalVariables.getMessageMap().putError(PurapConstants.ITEM_TAB_ERROR_PROPERTY, PurapKeyConstants.ERROR_ITEM_TOTAL_NEGATIVE);
043            }
044    
045            return valid;
046        }
047    }