001    package edu.sampleu.bookstore.rule;
002    
003    import java.util.List;
004    
005    import org.kuali.rice.core.util.RiceKeyConstants;
006    import org.kuali.rice.krad.document.Document;
007    
008    import org.kuali.rice.krad.rules.TransactionalDocumentRuleBase;
009    import org.kuali.rice.krad.util.GlobalVariables;
010    import org.kuali.rice.krad.util.KRADConstants;
011    import edu.sampleu.bookstore.bo.BookOrder;
012    import edu.sampleu.bookstore.document.BookOrderDocument;
013    
014    
015    /*
016     * Business Rule for Book Order Document that follows prior to submit action.
017     * Checks that book order/orders is/are not null or Empty and all the attributes are mentioned for each order.
018     */
019    
020    public class BookOrderDocumentRule extends TransactionalDocumentRuleBase {
021    
022            private static final String BOOK_ORDERS_PROPERTY_PATH = KRADConstants.DOCUMENT_PROPERTY_NAME + ".bookOrders";
023            private static final String NO_BOOK_ORDERS_ERROR_KEY = RiceKeyConstants.ERROR_CUSTOM;
024            private static final String ERROR_MESSAGE_NO_ORDERS = "You must add at least one entry to your book order.";
025            
026            private static final String BOOK_ORDERS_EMPTY_ERROR_KEY = RiceKeyConstants.ERROR_CUSTOM;
027            private static final String ERROR_MESSAGE_EMPTY_ORDERS = "You must add attributes to your book order.";
028            
029            @Override
030            protected boolean processCustomRouteDocumentBusinessRules(Document document) {
031                    
032                    System.out.println("@@@@ IN RULE CHECK");
033                    
034                    // cast the document to a BookOrderDocument
035                    BookOrderDocument bookOrderDocument = (BookOrderDocument)document;
036                    
037                    // get the list of book orders of the book order document
038                    List<BookOrder> bookOrders = bookOrderDocument.getBookOrders();
039                    
040                    // make sure that the list is not empty
041                    if (bookOrders == null || bookOrders.isEmpty()) {
042                            GlobalVariables.getMessageMap().putError(BOOK_ORDERS_PROPERTY_PATH, NO_BOOK_ORDERS_ERROR_KEY, ERROR_MESSAGE_NO_ORDERS);
043                            System.out.println("@@@@ FALSE RULE CHECK");
044                            return false;
045                    } else {
046                            for(BookOrder bookOrder : bookOrders){                          
047                                    if(bookOrder.getBookId() == null || bookOrder.getDiscount() == null || bookOrder.getQuantity() == null){
048                                            GlobalVariables.getMessageMap().putError(BOOK_ORDERS_PROPERTY_PATH, BOOK_ORDERS_EMPTY_ERROR_KEY, ERROR_MESSAGE_EMPTY_ORDERS);
049                                            System.out.println("@@@@ FALSE RULE CHECK");
050                                            return false;
051                                    }                               
052                            }
053                            
054                    }
055                    System.out.println("@@@@ TRUE RULE CHECK");
056                    
057                    return super.processCustomRouteDocumentBusinessRules(document);
058            }
059    
060            
061    
062            
063            
064    }