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Improve multiversion support

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This commit is contained in:
James Agnew
2019-02-11 08:59:37 -05:00
parent e21e00cf09
commit c604d8be53
13 changed files with 458 additions and 159 deletions
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src/main/java/ca/uhn/fhir/jpa/starter/JpaRestfulServer.java Normal file
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package ca.uhn.fhir.jpa.starter;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.context.FhirVersionEnum;
import ca.uhn.fhir.jpa.dao.DaoConfig;
import ca.uhn.fhir.jpa.dao.IFhirSystemDao;
import ca.uhn.fhir.jpa.provider.JpaConformanceProviderDstu2;
import ca.uhn.fhir.jpa.provider.JpaSystemProviderDstu2;
import ca.uhn.fhir.jpa.provider.SubscriptionTriggeringProvider;
import ca.uhn.fhir.jpa.provider.dstu3.JpaConformanceProviderDstu3;
import ca.uhn.fhir.jpa.provider.dstu3.JpaSystemProviderDstu3;
import ca.uhn.fhir.jpa.provider.dstu3.TerminologyUploaderProviderDstu3;
import ca.uhn.fhir.jpa.provider.r4.JpaConformanceProviderR4;
import ca.uhn.fhir.jpa.provider.r4.JpaSystemProviderR4;
import ca.uhn.fhir.jpa.provider.r4.TerminologyUploaderProviderR4;
import ca.uhn.fhir.jpa.search.DatabaseBackedPagingProvider;
import ca.uhn.fhir.model.dstu2.composite.MetaDt;
import ca.uhn.fhir.narrative.DefaultThymeleafNarrativeGenerator;
import ca.uhn.fhir.rest.server.HardcodedServerAddressStrategy;
import ca.uhn.fhir.rest.server.IResourceProvider;
import ca.uhn.fhir.rest.server.RestfulServer;
import ca.uhn.fhir.rest.server.interceptor.ResponseHighlighterInterceptor;
import org.hl7.fhir.dstu3.model.Bundle;
import org.hl7.fhir.dstu3.model.Meta;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import javax.servlet.ServletException;
import java.util.List;
public class JpaRestfulServer extends RestfulServer {
private static final long serialVersionUID = 1L;
private AnnotationConfigApplicationContext appCtx;
@Override
public void destroy() {
appCtx.close();
}
@SuppressWarnings("unchecked")
@Override
protected void initialize() throws ServletException {
super.initialize();
/*
* Create a FhirContext object that uses the version of FHIR
* specified in the properties file.
*/
FhirVersionEnum fhirVersion = HapiProperties.getFhirVersion();
setFhirContext(new FhirContext(fhirVersion));
appCtx = new AnnotationConfigApplicationContext();
/*
* ResourceProviders are fetched from the Spring context
*/
List<IResourceProvider> resourceProviders;
Object systemProvider;
if (fhirVersion == FhirVersionEnum.DSTU2) {
appCtx.register(FhirServerConfigDstu2.class, FhirServerConfigCommon.class);
appCtx.refresh();
resourceProviders = appCtx.getBean("myResourceProvidersDstu2", List.class);
systemProvider = appCtx.getBean("mySystemProviderDstu2", JpaSystemProviderDstu2.class);
} else if (fhirVersion == FhirVersionEnum.DSTU3) {
appCtx.register(FhirServerConfigDstu3.class, FhirServerConfigCommon.class);
appCtx.refresh();
resourceProviders = appCtx.getBean("myResourceProvidersDstu3", List.class);
systemProvider = appCtx.getBean("mySystemProviderDstu3", JpaSystemProviderDstu3.class);
} else if (fhirVersion == FhirVersionEnum.R4) {
appCtx.register(FhirServerConfigR4.class, FhirServerConfigCommon.class);
appCtx.refresh();
resourceProviders = appCtx.getBean("myResourceProvidersR4", List.class);
systemProvider = appCtx.getBean("mySystemProviderR4", JpaSystemProviderR4.class);
} else {
throw new IllegalStateException();
}
registerProviders(resourceProviders);
registerProvider(systemProvider);
/*
* The conformance provider exports the supported resources, search parameters, etc for
* this server. The JPA version adds resourceProviders counts to the exported statement, so it
* is a nice addition.
*
* You can also create your own subclass of the conformance provider if you need to
* provide further customization of your server's CapabilityStatement
*/
if (fhirVersion == FhirVersionEnum.DSTU2) {
IFhirSystemDao<ca.uhn.fhir.model.dstu2.resource.Bundle, MetaDt> systemDao = appCtx.getBean("mySystemDaoDstu2", IFhirSystemDao.class);
JpaConformanceProviderDstu2 confProvider = new JpaConformanceProviderDstu2(this, systemDao, appCtx.getBean(DaoConfig.class));
confProvider.setImplementationDescription("HAPI FHIR DSTU2 Server");
setServerConformanceProvider(confProvider);
} else if (fhirVersion == FhirVersionEnum.DSTU3) {
IFhirSystemDao<Bundle, Meta> systemDao = appCtx.getBean("mySystemDaoDstu3", IFhirSystemDao.class);
JpaConformanceProviderDstu3 confProvider = new JpaConformanceProviderDstu3(this, systemDao, appCtx.getBean(DaoConfig.class));
confProvider.setImplementationDescription("HAPI FHIR DSTU3 Server");
setServerConformanceProvider(confProvider);
} else if (fhirVersion == FhirVersionEnum.R4) {
IFhirSystemDao<org.hl7.fhir.r4.model.Bundle, org.hl7.fhir.r4.model.Meta> systemDao = appCtx.getBean("mySystemDaoR4", IFhirSystemDao.class);
JpaConformanceProviderR4 confProvider = new JpaConformanceProviderR4(this, systemDao, appCtx.getBean(DaoConfig.class));
confProvider.setImplementationDescription("HAPI FHIR R4 Server");
setServerConformanceProvider(confProvider);
} else {
throw new IllegalStateException();
}
/*
* ETag Support
*/
setETagSupport(HapiProperties.getEtagSupport());
/*
* This server tries to dynamically generate narratives
*/
FhirContext ctx = getFhirContext();
ctx.setNarrativeGenerator(new DefaultThymeleafNarrativeGenerator());
/*
* Default to JSON and pretty printing
*/
setDefaultPrettyPrint(HapiProperties.getDefaultPrettyPrint());
/*
* Default encoding
*/
setDefaultResponseEncoding(HapiProperties.getDefaultEncoding());
/*
* This configures the server to page search results to and from
* the database, instead of only paging them to memory. This may mean
* a performance hit when performing searches that return lots of results,
* but makes the server much more scalable.
*/
setPagingProvider(appCtx.getBean(DatabaseBackedPagingProvider.class));
/*
* This interceptor formats the output using nice colourful
* HTML output when the request is detected to come from a
* browser.
*/
ResponseHighlighterInterceptor responseHighlighterInterceptor = appCtx.getBean(ResponseHighlighterInterceptor.class);
this.registerInterceptor(responseHighlighterInterceptor);
/*
* If you are hosting this server at a specific DNS name, the server will try to
* figure out the FHIR base URL based on what the web container tells it, but
* this doesn't always work. If you are setting links in your search bundles that
* just refer to "localhost", you might want to use a server address strategy:
*/
String serverAddress = HapiProperties.getServerAddress();
if (serverAddress != null && serverAddress.length() > 0) {
setServerAddressStrategy(new HardcodedServerAddressStrategy(serverAddress));
}
/*
* If you are using DSTU3+, you may want to add a terminology uploader, which allows
* uploading of external terminologies such as Snomed CT. Note that this uploader
* does not have any security attached (any anonymous user may use it by default)
* so it is a potential security vulnerability. Consider using an AuthorizationInterceptor
* with this feature.
*/
if (false) { // <-- DISABLED RIGHT NOW
if (fhirVersion == FhirVersionEnum.DSTU3) {
registerProvider(appCtx.getBean(TerminologyUploaderProviderDstu3.class));
} else if (fhirVersion == FhirVersionEnum.R4) {
registerProvider(appCtx.getBean(TerminologyUploaderProviderR4.class));
}
}
// If you want to enable the $trigger-subscription operation to allow
// manual triggering of a subscription delivery, enable this provider
if (false) { // <-- DISABLED RIGHT NOW
SubscriptionTriggeringProvider retriggeringProvider = appCtx.getBean(SubscriptionTriggeringProvider.class);
registerProvider(retriggeringProvider);
}
}
}