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.sys.document.validation.event;
017    
018    import java.util.ArrayList;
019    import java.util.Arrays;
020    import java.util.Iterator;
021    import java.util.ListIterator;
022    
023    import org.apache.commons.lang.StringUtils;
024    import org.kuali.kfs.sys.KFSConstants;
025    import org.kuali.kfs.sys.KFSKeyConstants;
026    import org.kuali.kfs.sys.businessobject.AccountingLine;
027    import org.kuali.kfs.sys.context.SpringContext;
028    import org.kuali.rice.kns.document.Document;
029    import org.kuali.rice.kns.rule.BusinessRule;
030    import org.kuali.rice.kns.service.DataDictionaryService;
031    import org.kuali.rice.kns.util.ErrorMessage;
032    import org.kuali.rice.kns.util.GlobalVariables;
033    
034    public class UpdateAccountingLineEvent extends AttributedDocumentEventBase implements AccountingLineEvent {
035        private final AccountingLine accountingLine;
036        private final AccountingLine updatedAccountingLine;
037    
038        /**
039         * Constructs an UpdateAccountingLineEvent with the given errorPathPrefix, document, and accountingLine.
040         * 
041         * @param errorPathPrefix
042         * @param document
043         * @param accountingLine
044         * @param newAccountingLine
045         */
046        public UpdateAccountingLineEvent(String errorPathPrefix, Document document, AccountingLine originalAccountingLine, AccountingLine updatedAccountingLine) {
047            super("updating accountingLine in document " + getDocumentId(document), errorPathPrefix, document);
048            this.accountingLine = originalAccountingLine;
049            this.updatedAccountingLine = updatedAccountingLine;
050        }
051        
052        /**
053         * @see org.kuali.rice.kns.rule.event.AccountingLineEvent#getAccountingLine()
054         */
055        public AccountingLine getOriginalAccountingLine() {
056            return accountingLine;
057        }
058    
059        /**
060         * @return updated accountingLine associated with this event
061         */
062        public AccountingLine getUpdatedAccountingLine() {
063            return updatedAccountingLine;
064        }
065        
066        /**
067         * @see org.kuali.kfs.sys.document.validation.event.AttributedDocumentEventBase#invokeRuleMethod(org.kuali.rice.kns.rule.BusinessRule)
068         */
069        @Override
070        public boolean invokeRuleMethod(BusinessRule rule) {
071            boolean result = super.invokeRuleMethod(rule);
072            cleanErrorMessages();
073            return result;
074        }
075    
076        /**
077         * @return the original accounting line, by a more traditional name
078         */
079        public AccountingLine getAccountingLine() {
080            return accountingLine;
081        }
082        
083        /**
084         * Logic to replace generic amount error messages, especially those where extraordinarily large amounts caused format errors
085         */
086        public void cleanErrorMessages() {
087            // create a list of accounting line attribute keys
088            ArrayList linePatterns = new ArrayList();
089            // source patterns: removing wildcards
090            linePatterns.addAll(Arrays.asList(StringUtils.replace(KFSConstants.SOURCE_ACCOUNTING_LINE_ERROR_PATTERN, "*", "").split(",")));
091            // target patterns: removing wildcards
092            linePatterns.addAll(Arrays.asList(StringUtils.replace(KFSConstants.TARGET_ACCOUNTING_LINE_ERROR_PATTERN, "*", "").split(",")));
093    
094            // see if any lines have errors
095            for (Iterator i = GlobalVariables.getMessageMap().getPropertiesWithErrors().iterator(); i.hasNext();) {
096                String property = (String) i.next();
097                // only concerned about amount field errors
098                if (property.endsWith("." + KFSConstants.AMOUNT_PROPERTY_NAME)) {
099                    // check if the amount field is associated with an accounting line
100                    boolean isLineProperty = true;
101                    for (Iterator linePatternsIterator = linePatterns.iterator(); i.hasNext() && !isLineProperty;) {
102                        isLineProperty = property.startsWith((String) linePatternsIterator.next());
103                    }
104                    if (isLineProperty) {
105                        // find the specific error messages for the property
106                        for (ListIterator errors = GlobalVariables.getMessageMap().getMessages(property).listIterator(); errors.hasNext();) {
107                            ErrorMessage error = (ErrorMessage) errors.next();
108                            String errorKey = null;
109                            String[] params = new String[2];
110                            if (StringUtils.equals(KFSKeyConstants.ERROR_INVALID_FORMAT, error.getErrorKey())) {
111                                errorKey = KFSKeyConstants.ERROR_DOCUMENT_ACCOUNTING_LINE_INVALID_FORMAT;
112                                params[1] = accountingLine.getAmount().toString();
113                            }
114                            else {
115                                if (StringUtils.equals(KFSKeyConstants.ERROR_MAX_LENGTH, error.getErrorKey())) {
116                                    errorKey = KFSKeyConstants.ERROR_DOCUMENT_ACCOUNTING_LINE_MAX_LENGTH;
117    
118                                    // String value = ObjectUtils.getPropertyValue(accountingLine,
119                                    // KFSConstants.AMOUNT_PROPERTY_NAME)
120    
121                                }
122                            }
123                            if (errorKey != null) {
124                                // now replace error message
125                                error.setErrorKey(errorKey);
126                                // replace parameters
127                                params[0] = SpringContext.getBean(DataDictionaryService.class).getAttributeLabel(accountingLine.getClass(), KFSConstants.AMOUNT_PROPERTY_NAME);
128                                error.setMessageParameters(params);
129                                // put back where it came form
130                                errors.set(error);
131                            }
132                        }
133                    }
134                }
135            }
136        }
137    }