001/*- 002 * #%L 003 * HAPI FHIR Subscription Server 004 * %% 005 * Copyright (C) 2014 - 2024 Smile CDR, Inc. 006 * %% 007 * Licensed under the Apache License, Version 2.0 (the "License"); 008 * you may not use this file except in compliance with the License. 009 * You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 * #L% 019 */ 020package ca.uhn.fhir.jpa.subscription.submit.interceptor; 021 022import ca.uhn.fhir.interceptor.api.IInterceptorService; 023import ca.uhn.fhir.jpa.model.entity.StorageSettings; 024import ca.uhn.fhir.jpa.topic.SubscriptionTopicValidatingInterceptor; 025import com.google.common.annotations.VisibleForTesting; 026import jakarta.annotation.PostConstruct; 027import org.hl7.fhir.dstu2.model.Subscription; 028import org.slf4j.Logger; 029import org.slf4j.LoggerFactory; 030import org.springframework.beans.factory.annotation.Autowired; 031 032import java.util.Set; 033 034public class SubscriptionSubmitInterceptorLoader { 035 private static final Logger ourLog = LoggerFactory.getLogger(SubscriptionSubmitInterceptorLoader.class); 036 037 @Autowired 038 private SubscriptionMatcherInterceptor mySubscriptionMatcherInterceptor; 039 040 @Autowired 041 private SubscriptionValidatingInterceptor mySubscriptionValidatingInterceptor; 042 043 @Autowired(required = false) 044 private SubscriptionTopicValidatingInterceptor mySubscriptionTopicValidatingInterceptor; 045 046 @Autowired 047 private StorageSettings myStorageSettings; 048 049 @Autowired 050 private IInterceptorService myInterceptorRegistry; 051 052 private boolean mySubscriptionValidatingInterceptorRegistered; 053 private boolean mySubscriptionMatcherInterceptorRegistered; 054 private boolean mySubscriptionTopicValidatingInterceptorRegistered; 055 056 @PostConstruct 057 public void start() { 058 Set<Subscription.SubscriptionChannelType> supportedSubscriptionTypes = 059 myStorageSettings.getSupportedSubscriptionTypes(); 060 061 if (supportedSubscriptionTypes.isEmpty()) { 062 ourLog.info( 063 "Subscriptions are disabled on this server. Subscriptions will not be activated and incoming resources will not be matched against subscriptions."); 064 } else { 065 if (!mySubscriptionMatcherInterceptorRegistered) { 066 ourLog.info("Registering subscription matcher interceptor"); 067 myInterceptorRegistry.registerInterceptor(mySubscriptionMatcherInterceptor); 068 mySubscriptionMatcherInterceptorRegistered = true; 069 } 070 } 071 072 if (!mySubscriptionValidatingInterceptorRegistered) { 073 myInterceptorRegistry.registerInterceptor(mySubscriptionValidatingInterceptor); 074 mySubscriptionValidatingInterceptorRegistered = true; 075 } 076 077 if (mySubscriptionTopicValidatingInterceptor != null && !mySubscriptionTopicValidatingInterceptorRegistered) { 078 myInterceptorRegistry.registerInterceptor(mySubscriptionTopicValidatingInterceptor); 079 mySubscriptionTopicValidatingInterceptorRegistered = true; 080 } 081 } 082 083 @VisibleForTesting 084 public void unregisterInterceptorsForUnitTest() { 085 myInterceptorRegistry.unregisterInterceptor(mySubscriptionMatcherInterceptor); 086 myInterceptorRegistry.unregisterInterceptor(mySubscriptionValidatingInterceptor); 087 mySubscriptionValidatingInterceptorRegistered = false; 088 mySubscriptionMatcherInterceptorRegistered = false; 089 } 090}