/*
    * Copyright 2008 The Kuali Foundation
    * 
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    * http://www.opensource.org/licenses/ecl2.php
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.ole.fp.document.validation.impl;
  
  import static org.kuali.ole.sys.OLEConstants.ACCOUNTING_LINE_ERRORS;
  import static org.kuali.ole.sys.OLEKeyConstants.AuxiliaryVoucher.ERROR_DIFFERENT_CHARTS;
  
  import java.util.List;
  
  import org.kuali.ole.sys.businessobject.AccountingLine;
  import org.kuali.ole.sys.document.AccountingDocument;
  import org.kuali.ole.sys.document.validation.GenericValidation;
  import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  /**
   * Validates that all accounting lines on the document use only one chart among them all.
   */
  public class AuxiliaryVoucherSingleChartUsedValidation extends GenericValidation {
      private AccountingDocument accountingDocumentForValidation;
  
      /**
       * Iterates <code>{@link AccountingLine}</code> instances in a given <code>{@link FinancialDocument}</code> instance and
       * compares them to see if they are all in the same Chart.
       * @see org.kuali.ole.sys.document.validation.Validation#validate(org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent)
       */
      public boolean validate(AttributedDocumentEvent event) {
          boolean valid = true;
  
          String baseChartCode = null;
          int index = 0;
  
          List<AccountingLine> lines = accountingDocumentForValidation.getSourceAccountingLines();
          for (AccountingLine line : lines) {
              if (index == 0) {
                  baseChartCode = line.getChartOfAccountsCode();
              }
              else {
                  String currentChartCode = line.getChartOfAccountsCode();
                  if (!currentChartCode.equals(baseChartCode)) {
                      GlobalVariables.getMessageMap().putError(ACCOUNTING_LINE_ERRORS, ERROR_DIFFERENT_CHARTS, new String[] {});
                      return false;
                  }
              }
              index++;
          }
          return true;
      }
  
      /**
       * Gets the accountingDocumentForValidation attribute. 
       * @return Returns the accountingDocumentForValidation.
       */
      public AccountingDocument getAccountingDocumentForValidation() {
          return accountingDocumentForValidation;
      }
  
      /**
       * Sets the accountingDocumentForValidation attribute value.
       * @param accountingDocumentForValidation The accountingDocumentForValidation to set.
       */
      public void setAccountingDocumentForValidation(AccountingDocument accountingDocumentForValidation) {
          this.accountingDocumentForValidation = accountingDocumentForValidation;
      }
  }