
001package ca.uhn.fhir.narrative; 002 003/* 004 * #%L 005 * HAPI FHIR - Core Library 006 * %% 007 * Copyright (C) 2014 - 2022 Smile CDR, Inc. 008 * %% 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 * #L% 021 */ 022 023import ca.uhn.fhir.context.FhirContext; 024import ca.uhn.fhir.i18n.Msg; 025import ca.uhn.fhir.narrative2.NarrativeTemplateManifest; 026import ca.uhn.fhir.narrative2.ThymeleafNarrativeGenerator; 027import ca.uhn.fhir.rest.server.exceptions.InternalErrorException; 028import org.hl7.fhir.instance.model.api.IBaseResource; 029 030import java.io.IOException; 031import java.util.List; 032 033public abstract class BaseThymeleafNarrativeGenerator extends ThymeleafNarrativeGenerator { 034 035 private boolean myInitialized; 036 037 /** 038 * Constructor 039 */ 040 protected BaseThymeleafNarrativeGenerator() { 041 super(); 042 } 043 044 @Override 045 public boolean populateResourceNarrative(FhirContext theFhirContext, IBaseResource theResource) { 046 if (!myInitialized) { 047 initialize(); 048 } 049 super.populateResourceNarrative(theFhirContext, theResource); 050 return false; 051 } 052 053 protected abstract List<String> getPropertyFile(); 054 055 private synchronized void initialize() { 056 if (myInitialized) { 057 return; 058 } 059 060 List<String> propFileName = getPropertyFile(); 061 try { 062 NarrativeTemplateManifest manifest = NarrativeTemplateManifest.forManifestFileLocation(propFileName); 063 setManifest(manifest); 064 } catch (IOException e) { 065 throw new InternalErrorException(Msg.code(1808) + e); 066 } 067 068 myInitialized = true; 069 } 070 071 072}