/*

  * Copyright 2006-2011 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.rice.kew.service;

 import javax.persistence.EntityManagerFactory;

 import javax.sql.DataSource;

 import javax.transaction.TransactionManager;

 import javax.transaction.UserTransaction;

 import javax.xml.namespace.QName;

 import org.apache.log4j.Logger;

 import org.kuali.rice.core.api.config.module.RunMode;

 import org.kuali.rice.core.api.config.property.ConfigContext;

 import org.kuali.rice.core.api.encryption.EncryptionService;

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.mail.Mailer;

 import org.kuali.rice.edl.framework.extract.ExtractService;

 import org.kuali.rice.kew.actionlist.service.ActionListService;

 import org.kuali.rice.kew.actionrequest.service.ActionRequestService;

 import org.kuali.rice.kew.actions.ActionRegistry;

 import org.kuali.rice.kew.actiontaken.service.ActionTakenService;

 import org.kuali.rice.kew.batch.XmlPollerService;

 import org.kuali.rice.kew.docsearch.DocumentSearchCustomizationMediator;

 import org.kuali.rice.kew.docsearch.service.DocumentSearchService;

 import org.kuali.rice.kew.doctype.service.DocumentSecurityService;

 import org.kuali.rice.kew.doctype.service.DocumentTypePermissionService;

 import org.kuali.rice.kew.doctype.service.DocumentTypeService;

 import org.kuali.rice.kew.documentlink.service.DocumentLinkService;

 import org.kuali.rice.kew.engine.WorkflowEngineFactory;

 import org.kuali.rice.kew.engine.node.service.BranchService;

 import org.kuali.rice.kew.engine.node.service.RouteNodeService;

 import org.kuali.rice.kew.engine.simulation.SimulationWorkflowEngine;

 import org.kuali.rice.kew.exception.WorkflowDocumentExceptionRoutingService;

 import org.kuali.rice.kew.identity.service.IdentityHelperService;

 import org.kuali.rice.kew.impl.document.WorkflowDocumentPrototype;

 import org.kuali.rice.kew.mail.service.ActionListEmailService;

 import org.kuali.rice.kew.mail.service.EmailContentService;

 import org.kuali.rice.kew.notes.service.NoteService;

 import org.kuali.rice.kew.notification.service.NotificationService;

 import org.kuali.rice.kew.preferences.service.PreferencesService;

 import org.kuali.rice.kew.responsibility.service.ResponsibilityIdService;

 import org.kuali.rice.kew.role.service.RoleService;

 import org.kuali.rice.kew.routeheader.service.RouteHeaderService;

 import org.kuali.rice.kew.routeheader.service.WorkflowDocumentService;

 import org.kuali.rice.kew.routemodule.service.RouteModuleService;

 import org.kuali.rice.kew.routemodule.service.RoutingReportService;

 import org.kuali.rice.kew.rule.service.RuleAttributeService;

 import org.kuali.rice.kew.rule.service.RuleDelegationService;

 import org.kuali.rice.kew.rule.service.RuleService;

 import org.kuali.rice.kew.rule.service.RuleTemplateService;

 import org.kuali.rice.kew.useroptions.UserOptionsService;

 import org.kuali.rice.kew.util.KEWConstants;

 import org.springframework.transaction.PlatformTransactionManager;

 /**

  * Convenience class that holds service names and provide methods to acquire services.  Defaults to

  * GLR for actual service acquisition.  Used to be responsible for loading and holding spring

  * application context (when it was SpringServiceLocator) but those responsibilities have been

  * moved to the SpringLoader.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public final class KEWServiceLocator {

         private static final Logger LOG = Logger.getLogger(KEWServiceLocator.class);

         public static final String KEW_RUN_MODE_PROPERTY = "kew.mode";

         public static final String DATASOURCE = "enWorkflowDataSource";

         public static final String QUICK_LINKS_SERVICE = "enQuickLinksService";

         public static final String DOCUMENT_SEARCH_SERVICE = "enDocumentSearchService";

         public static final String ACTION_TAKEN_SRV = "enActionTakenService";

         public static final String ACTION_REQUEST_SRV = "enActionRequestService";

         public static final String ACTION_LIST_SRV = "enActionListService";

         public static final String DOC_ROUTE_HEADER_SRV = "enDocumentRouteHeaderService";

         public static final String DOCUMENT_TYPE_GROUP_SERVICE = "enDocumentTypeGroupService";

         public static final String DOCUMENT_TYPE_SERVICE = "enDocumentTypeService";

         public static final String DOCUMENT_TYPE_PERMISSION_SERVICE = "enDocumentTypePermissionService";

         public static final String DOCUMENT_SECURITY_SERVICE = "enDocumentSecurityService";

         public static final String USER_OPTIONS_SRV = "enUserOptionsService";

         public static final String DOCUMENT_CHANGE_HISTORY_SRV = "enDocumentChangeHistoryService";

         public static final String DOCUMENT_VALUE_INDEX_SRV = "enDocumentValueIndexService";

         public static final String ROUTE_LEVEL_SERVICE = "enRouteLevelService";

         public static final String CONSTANTS_SERVICE = "enApplicationConstantsService";

         public static final String PREFERENCES_SERVICE = "enPreferencesService";

         public static final String ROUTE_LOG_SERVICE = "enRouteLogService";

         public static final String RULE_TEMPLATE_SERVICE = "enRuleTemplateService";

         public static final String RULE_SERVICE = "enRuleService";

         public static final String RULE_ATTRIBUTE_SERVICE = "enRuleAttributeService";

         public static final String RULE_TEMPLATE_ATTRIBUTE_SERVICE = "enRuleTemplateAttributeService";

         public static final String ROLE_SERVICE = "enRoleService";

         public static final String RESPONSIBILITY_ID_SERVICE = "enResponsibilityIdService";

         public static final String STATS_SERVICE = "enStatsService";

         public static final String ROUTE_MANAGER_QUEUE_SERVICE = "enRouteManagerQueueService";

         public static final String ROUTE_MANAGER_CONTROLLER = "enRouteManagerController";

         public static final String RULE_DELEGATION_SERVICE = "enRuleDelegationService";

         public static final String ROUTE_MANAGER_DRIVER = "enRouteManagerDriver";

         public static final String OPTIMISTIC_LOCK_FAILURE_SERVICE = "enOptimisticLockFailureService";

         public static final String NOTE_SERVICE = "enNoteService";

         public static final String ROUTING_REPORT_SERVICE = "enRoutingReportService";

         public static final String ROUTE_MODULE_SERVICE = "enRouteModuleService";

         public static final String EXCEPTION_ROUTING_SERVICE = "enExceptionRoutingService";

         public static final String ACTION_REGISTRY = "enActionRegistry";

         public static final String BRANCH_SERVICE = "enBranchService";

         public static final String WORKFLOW_MBEAN = "workflowMBean";

         public static final String APPLICATION_CONSTANTS_CACHE = "applicationConstantsCache";

         public static final String JTA_TRANSACTION_MANAGER = "jtaTransactionManager";

         public static final String USER_TRANSACTION = "userTransaction";

     public static final String SCHEDULER = "enScheduler";

         public static final String DOCUMENT_LINK_SERVICE = "enDocumentLinkService";

         /**

          * Polls for xml files on disk

          */

         public static final String XML_POLLER_SERVICE = "enXmlPollerService";

         public static final String DB_TABLES_LOADER = "enDbTablesLoader";

         public static final String ROUTE_NODE_SERVICE = "enRouteNodeService";

     public static final String SIMULATION_ENGINE = "simulationEngine";

         public static final String WORKFLOW_ENGINE_FACTORY = "workflowEngineFactory";

         public static final String ACTION_LIST_EMAIL_SERVICE = "enActionListEmailService";

         public static final String IMMEDIATE_EMAIL_REMINDER_SERVICE = "enImmediateEmailReminderService";

     public static final String EMAIL_CONTENT_SERVICE = "enEmailContentService";

         public static final String NOTIFICATION_SERVICE = "enNotificationService";

         public static final String TRANSACTION_MANAGER = "transactionManager";

         public static final String TRANSACTION_TEMPLATE = "transactionTemplate";

         public static final String WORKFLOW_DOCUMENT_SERVICE = "enWorkflowDocumentService";

         public static final String EXTENSION_SERVICE = "enExtensionService";

         public static final String TRANSFORMATION_SERVICE = "enTransformationService";

         public static final String ENCRYPTION_SERVICE = "enEncryptionService";

         public static final String REMOVE_REPLACE_DOCUMENT_SERVICE = "enRemoveReplaceDocumentService";

         public static final String EXTRACT_SERVICE = "enExtractService";

         public static final String IDENTITY_HELPER_SERVICE = "kewIdentityHelperService";

         public static final String ENTITY_MANAGER_FACTORY = "kewEntityManagerFactory";

         public static final String MAILER = "mailer";

         public static final String WORKFLOW_DOCUMENT_PROTOTYPE = "rice.kew.workflowDocumentPrototype";

     public static final String DOCUMENT_SEARCH_CUSTOMIZATION_MEDIATOR = "rice.kew.documentSearchCustomizationMediator";

     public static EntityManagerFactory getEntityManagerFactory() {

         return (EntityManagerFactory) getService(ENTITY_MANAGER_FACTORY);

     }

         /**

          * @param serviceName

          *            the name of the service bean

          * @return the service

          */

         public static <T> T getService(String serviceName) {

                 return KEWServiceLocator.<T>getBean(serviceName);

         }

         public static <T> T getBean(String serviceName) {

                 if ( LOG.isDebugEnabled() ) {

                         LOG.debug("Fetching service " + serviceName);

                 }

                 return GlobalResourceLoader.getResourceLoader().<T>getService(

                                 (RunMode.REMOTE.equals(RunMode.valueOf(ConfigContext.getCurrentContextConfig().getProperty(KEW_RUN_MODE_PROPERTY)))) ?

                                                 new QName(KEWConstants.KEW_MODULE_NAMESPACE, serviceName) : new QName(serviceName));

         }

         public static WorkflowUtility getWorkflowUtilityService() {

                 if ( LOG.isDebugEnabled() ) {

                         LOG.debug("Fetching service " + KEWConstants.WORKFLOW_UTILITY_SERVICE);

                 }

                 return (WorkflowUtility) GlobalResourceLoader.getResourceLoader().getService(new QName(KEWConstants.WORKFLOW_UTILITY_SERVICE));

         }

         public static DocumentTypeService getDocumentTypeService() {

                 return (DocumentTypeService) getBean(DOCUMENT_TYPE_SERVICE);

         }

         public static DocumentTypePermissionService getDocumentTypePermissionService() {

                 return (DocumentTypePermissionService) getBean(DOCUMENT_TYPE_PERMISSION_SERVICE);

         }

     public static DocumentSecurityService getDocumentSecurityService() {

             return (DocumentSecurityService) getBean(DOCUMENT_SECURITY_SERVICE);

     }

         public static ActionRequestService getActionRequestService() {

                 return (ActionRequestService) getBean(ACTION_REQUEST_SRV);

         }

         public static ActionTakenService getActionTakenService() {

                 return (ActionTakenService) getBean(ACTION_TAKEN_SRV);

         }

         public static ResponsibilityIdService getResponsibilityIdService() {

                 return (ResponsibilityIdService) getBean(RESPONSIBILITY_ID_SERVICE);

         }

         public static RouteHeaderService getRouteHeaderService() {

                 return (RouteHeaderService) getBean(DOC_ROUTE_HEADER_SRV);

         }

         public static RuleTemplateService getRuleTemplateService() {

                 return (RuleTemplateService) getBean(RULE_TEMPLATE_SERVICE);

         }

         public static RuleAttributeService getRuleAttributeService() {

                 return (RuleAttributeService) getBean(RULE_ATTRIBUTE_SERVICE);

         }

         public static WorkflowDocumentService getWorkflowDocumentService() {

                 return (WorkflowDocumentService) getBean(WORKFLOW_DOCUMENT_SERVICE);

         }

         public static RouteModuleService getRouteModuleService() {

                 return (RouteModuleService) getBean(ROUTE_MODULE_SERVICE);

         }

         public static RoleService getRoleService() {

                 return (RoleService) getBean(ROLE_SERVICE);

         }

         public static RuleService getRuleService() {

                 return (RuleService) getBean(RULE_SERVICE);

         }

         public static RuleDelegationService getRuleDelegationService() {

                 return (RuleDelegationService) getBean(RULE_DELEGATION_SERVICE);

         }

         public static RoutingReportService getRoutingReportService() {

                 return (RoutingReportService) getBean(ROUTING_REPORT_SERVICE);

         }

         public static PreferencesService getPreferencesService() {

                 return (PreferencesService) getBean(PREFERENCES_SERVICE);

         }

         public static XmlPollerService getXmlPollerService() {

                 return (XmlPollerService) getBean(XML_POLLER_SERVICE);

         }

         public static UserOptionsService getUserOptionsService() {

                 return (UserOptionsService) getBean(USER_OPTIONS_SRV);

         }

         public static ActionListService getActionListService() {

                 return (ActionListService) getBean(ACTION_LIST_SRV);

         }

         public static RouteNodeService getRouteNodeService() {

                 return (RouteNodeService) getBean(ROUTE_NODE_SERVICE);

         }

     public static SimulationWorkflowEngine getSimulationEngine() {

                 return (SimulationWorkflowEngine) getBean(SIMULATION_ENGINE);

         }

         public static WorkflowEngineFactory getWorkflowEngineFactory() {

                 return (WorkflowEngineFactory) getBean(WORKFLOW_ENGINE_FACTORY);

         }

         public static WorkflowDocumentExceptionRoutingService getExceptionRoutingService() {

                 return (WorkflowDocumentExceptionRoutingService) getBean(EXCEPTION_ROUTING_SERVICE);

         }

         public static ActionListEmailService getActionListEmailService() {

                 return (ActionListEmailService) getBean(KEWServiceLocator.ACTION_LIST_EMAIL_SERVICE);

         }

     public static EmailContentService getEmailContentService() {

         return (EmailContentService) getBean(KEWServiceLocator.EMAIL_CONTENT_SERVICE);

     }

     public static NotificationService getNotificationService() {

                 return (NotificationService) getBean(KEWServiceLocator.NOTIFICATION_SERVICE);

         }

         public static TransactionManager getTransactionManager() {

                 return (TransactionManager) getBean(JTA_TRANSACTION_MANAGER);

         }

         public static UserTransaction getUserTransaction() {

                 return (UserTransaction) getBean(USER_TRANSACTION);

         }

         public static NoteService getNoteService() {

                 return (NoteService) getBean(NOTE_SERVICE);

         }

         public static ActionRegistry getActionRegistry() {

                 return (ActionRegistry) getBean(ACTION_REGISTRY);

         }

     public static EncryptionService getEncryptionService() {

                 return (EncryptionService) getBean(ENCRYPTION_SERVICE);

         }

     public static BranchService getBranchService() {

         return (BranchService) getBean(BRANCH_SERVICE);

     }

     public static DocumentSearchService getDocumentSearchService() {

             return (DocumentSearchService) getBean(DOCUMENT_SEARCH_SERVICE);

     }

     public static ExtractService getExtractService() {

         return (ExtractService) getBean(EXTRACT_SERVICE);

     }

     public static IdentityHelperService getIdentityHelperService() {

             return (IdentityHelperService) getBean(IDENTITY_HELPER_SERVICE);

     }

     public static DocumentLinkService getDocumentLinkService(){

             return (DocumentLinkService) getBean(DOCUMENT_LINK_SERVICE);

     }

     public static Mailer getMailer(){

             return (Mailer) getBean(MAILER);

     }

     /**

      * For the following methods, we go directly to the SpringLoader because we do NOT want them to

      * be wrapped in any sort of proxy.

      */

     public static DataSource getDataSource() {

         return (DataSource) getBean(DATASOURCE);

     }

     public static PlatformTransactionManager getPlatformTransactionManager() {

         return (PlatformTransactionManager) getBean(TRANSACTION_MANAGER);

     }

     public static WorkflowDocumentPrototype getWorkflowDocumentPrototype() {

             return getBean(WORKFLOW_DOCUMENT_PROTOTYPE);

     }

     public static DocumentSearchCustomizationMediator getDocumentSearchCustomizationMediator() {

         return getBean(DOCUMENT_SEARCH_CUSTOMIZATION_MEDIATOR);

     }

 }