/*
    * Copyright 2008-2009 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.sys.service.impl;
  
  import org.kuali.ole.sys.document.AccountingDocument;
  import org.kuali.ole.sys.document.FinancialSystemMaintenanceDocument;
  import org.kuali.ole.sys.document.FinancialSystemTransactionalDocument;
  import org.kuali.ole.sys.document.LedgerPostingDocument;
  import org.kuali.ole.sys.document.authorization.AccountingDocumentAuthorizerBase;
  import org.kuali.ole.sys.document.authorization.FinancialSystemMaintenanceDocumentAuthorizerBase;
  import org.kuali.ole.sys.document.authorization.FinancialSystemMaintenanceDocumentPresentationControllerBase;
  import org.kuali.ole.sys.document.authorization.FinancialSystemTransactionalDocumentAuthorizerBase;
  import org.kuali.ole.sys.document.authorization.FinancialSystemTransactionalDocumentPresentationControllerBase;
  import org.kuali.ole.sys.document.authorization.LedgerPostingDocumentPresentationControllerBase;
  import org.kuali.rice.kns.document.authorization.DocumentAuthorizer;
  import org.kuali.rice.kns.document.authorization.DocumentPresentationController;
  import org.kuali.rice.krad.datadictionary.DocumentEntry;
  
  public class DocumentHelperServiceImpl extends org.kuali.rice.kns.service.impl.DocumentHelperServiceImpl {
  
      @Override
      public DocumentAuthorizer getDocumentAuthorizer(String documentType) {
          DocumentEntry documentEntry = getDataDictionaryService().getDataDictionary().getDocumentEntry(documentType);
          Class documentAuthorizerClass = documentEntry.getDocumentAuthorizerClass();
          if (documentAuthorizerClass == null) {
              if (FinancialSystemMaintenanceDocument.class.isAssignableFrom(documentEntry.getDocumentClass())) {
                  documentAuthorizerClass = FinancialSystemMaintenanceDocumentAuthorizerBase.class;
              }
              else if (FinancialSystemTransactionalDocument.class.isAssignableFrom(documentEntry.getDocumentClass())) {
                  if (AccountingDocument.class.isAssignableFrom(documentEntry.getDocumentClass())) {
                      documentAuthorizerClass = AccountingDocumentAuthorizerBase.class;
                  }
                  else {
                      documentAuthorizerClass = FinancialSystemTransactionalDocumentAuthorizerBase.class;
                  }
              }
              else {
                  return super.getDocumentAuthorizer(documentType);
              }
          }
          try {
              return (DocumentAuthorizer) documentAuthorizerClass.newInstance();
          }
          catch (Exception e) {
              throw new RuntimeException("Unable to instantiate DocumentAuthorizer class: " + documentAuthorizerClass, e);
          }
      }
  
      @Override
      public DocumentPresentationController getDocumentPresentationController(String documentType) {
          org.kuali.rice.krad.datadictionary.DocumentEntry documentEntry = getDataDictionaryService().getDataDictionary().getDocumentEntry(documentType);
          Class documentPresentationControllerClass = documentEntry.getDocumentPresentationControllerClass();
          if (documentPresentationControllerClass == null) {
              if (FinancialSystemMaintenanceDocument.class.isAssignableFrom(documentEntry.getDocumentClass())) {
                  documentPresentationControllerClass = FinancialSystemMaintenanceDocumentPresentationControllerBase.class;
              }
              else if (FinancialSystemTransactionalDocument.class.isAssignableFrom(documentEntry.getDocumentClass())) {
                  if (LedgerPostingDocument.class.isAssignableFrom(documentEntry.getDocumentClass())) {
                      documentPresentationControllerClass = LedgerPostingDocumentPresentationControllerBase.class;
                  }
                  else {
                      documentPresentationControllerClass = FinancialSystemTransactionalDocumentPresentationControllerBase.class;
                  }
              }
              else {
                  return super.getDocumentPresentationController(documentType);
              }
          }
          try {
              return (DocumentPresentationController) documentPresentationControllerClass.newInstance();
          }
          catch (Exception e) {
              throw new RuntimeException("Unable to instantiate DocumentPresentationController class: " + documentPresentationControllerClass, e);
          }
      }
  }