ca.uhn.hapi.fhir.docs.BalpExample Maven / Gradle / Ivy

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/*-
 * #%L
 * HAPI FHIR - Docs
 * %%
 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
 * %%
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 * #L%
 */
package ca.uhn.hapi.fhir.docs;

import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.rest.api.server.RequestDetails;
import ca.uhn.fhir.rest.client.interceptor.BasicAuthInterceptor;
import ca.uhn.fhir.rest.server.RestfulServer;
import ca.uhn.fhir.storage.interceptor.balp.AsyncMemoryQueueBackedFhirClientBalpSink;
import ca.uhn.fhir.storage.interceptor.balp.IBalpAuditContextServices;
import ca.uhn.fhir.storage.interceptor.balp.IBalpAuditEventSink;
import jakarta.annotation.Nonnull;
import jakarta.servlet.ServletException;
import org.hl7.fhir.r4.model.Reference;

import java.util.List;

public class BalpExample {

	// START SNIPPET: contextService
	public class ExampleBalpAuditContextServices implements IBalpAuditContextServices {

		/**
		 * Here we are just hard-coding a simple display name. In a real implementation
		 * we should use the actual identity of the requesting client.
		 */
		@Nonnull
		@Override
		public Reference getAgentClientWho(RequestDetails theRequestDetails) {
			Reference client = new Reference();
			client.setDisplay("Growth Chart Application");
			client.getIdentifier().setSystem("http://example.org/clients").setValue("growth_chart");
			return client;
		}

		/**
		 * Here we are just hard-coding a simple display name. In a real implementation
		 * we should use the actual identity of the requesting user.
		 */
		@Nonnull
		@Override
		public Reference getAgentUserWho(RequestDetails theRequestDetails) {
			Reference user = new Reference();
			user.getIdentifier().setSystem("http://example.org/users").setValue("my_username");
			return user;
		}
	}
	// END SNIPPET: contextService

	// START SNIPPET: server
	public class MyServer extends RestfulServer {

		/**
		 * Constructor
		 */
		public MyServer() {
			super(FhirContext.forR4Cached());
		}

		@Override
		protected void initialize() throws ServletException {
			// Register your resource providers and other interceptors here...

			/*
			 * Create our context sservices object
			 */
			IBalpAuditContextServices contextServices = new ExampleBalpAuditContextServices();

			/*
			 * Create our event sink
			 */
			FhirContext fhirContext = FhirContext.forR4Cached();
			String targetUrl = "http://my.fhir.server/baseR4";
			List