/*
    * Copyright 2011 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.krms.impl.repository;
  
  import org.apache.log4j.Logger;
  import org.kuali.rice.core.api.criteria.CriteriaLookupService;
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  
  /**
   * This class keeps track of the KRMS Repository Services
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public final class KrmsRepositoryServiceLocator {
  
  	private static final Logger LOG = Logger.getLogger(KrmsRepositoryServiceLocator.class);
  
      public static final String KRMS_ATTRIBUTE_DEFINITION_SERVICE = "krmsAttributeDefinitionService";
      public static final String CRITERIA_LOOKUP_SERVICE = "criteriaLookupService";
  	
  	private static KrmsAttributeDefinitionService krmsAttributeDefinitionService;
  	
  	public static <T extends Object> T getService(String serviceName) {
  		return KrmsRepositoryServiceLocator.<T>getBean(serviceName);
  	}
  
  	public static <T extends Object> T getBean(String serviceName) {
  		if ( LOG.isDebugEnabled() ) {
  			LOG.debug("Fetching service " + serviceName);
  		}
  		return GlobalResourceLoader.<T>getService(serviceName);
  	}
  
      public static KrmsAttributeDefinitionService getKrmsAttributeDefinitionService() {
  		if ( krmsAttributeDefinitionService == null ) {
  			krmsAttributeDefinitionService = getService(KRMS_ATTRIBUTE_DEFINITION_SERVICE);
  		}
  		return krmsAttributeDefinitionService;
      }
  
      public static CriteriaLookupService getCriteriaLookupService() {
          return getService(CRITERIA_LOOKUP_SERVICE);
      }
  
  	public static void setKrmsAttributeDefinitionService(final KrmsAttributeDefinitionService service) {
  		krmsAttributeDefinitionService = service;
  	}
  
  }