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 org.kuali.kfs.module.purap.PurapConstants;
019    import org.kuali.kfs.module.purap.PurapKeyConstants;
020    import org.kuali.kfs.module.purap.businessobject.PurApItem;
021    import org.kuali.kfs.module.purap.businessobject.PurchasingItemBase;
022    import org.kuali.kfs.module.purap.document.PurchasingDocument;
023    import org.kuali.kfs.sys.context.SpringContext;
024    import org.kuali.kfs.sys.document.validation.GenericValidation;
025    import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
026    import org.kuali.rice.kew.exception.WorkflowException;
027    import org.kuali.rice.kns.util.GlobalVariables;
028    import org.kuali.rice.kns.workflow.service.KualiWorkflowInfo;
029    
030    public class PurchasingProcessContainsAtLeastOneItemValidation extends GenericValidation {
031        
032        /**
033         * Validates that the document contains at least one item.
034         * 
035         * @param purDocument the purchasing document to be validated
036         * @return boolean false if the document does not contain at least one item.
037         */
038        public boolean validate(AttributedDocumentEvent event) {
039            boolean valid = false;
040            PurchasingDocument purDocument = (PurchasingDocument)event.getDocument();
041            for (PurApItem item : purDocument.getItems()) {
042                if (!((PurchasingItemBase) item).isEmpty() && item.getItemType().isLineItemIndicator()) {
043    
044                    return true;
045                }
046            }
047            String documentType = getDocumentTypeLabel(purDocument.getDocumentHeader().getWorkflowDocument().getDocumentType());
048    
049            if (!valid) {
050                GlobalVariables.getMessageMap().putError(PurapConstants.ITEM_TAB_ERROR_PROPERTY, PurapKeyConstants.ERROR_ITEM_REQUIRED, documentType);
051            }
052    
053            return valid;
054        }
055    
056        protected String getDocumentTypeLabel(String documentTypeName) {
057            try {
058                return SpringContext.getBean(KualiWorkflowInfo.class).getDocType(documentTypeName).getDocTypeLabel();
059            }
060            catch (WorkflowException e) {
061                throw new RuntimeException("Caught Exception trying to get Workflow Document Type", e);
062            }
063        }
064    
065    }