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OpenConceptLab/ocl_issues#484 custom conformance statement
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Harsh Patel committed Dec 2, 2020
1 parent 5a35f54 commit d5f3b2d
Showing 1 changed file with 115 additions and 3 deletions.
118 changes: 115 additions & 3 deletions ...hir-ts/src/main/java/org/openconceptlab/fhir/provider/OclCapabilityStatementProvider.java
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import ca.uhn.fhir.rest.api.server.RequestDetails;
import org.hl7.fhir.r4.hapi.rest.server.ServerCapabilityStatementProvider;
import org.hl7.fhir.r4.model.CapabilityStatement;
import org.hl7.fhir.r4.model.*;
import org.hl7.fhir.r4.model.codesystems.SearchParamType;
import org.springframework.stereotype.Component;
import static org.openconceptlab.fhir.util.OclFhirConstants.*;

import javax.servlet.http.HttpServletRequest;
import java.util.*;

/**
* The OclCapabilityStatementProvider.
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@Component
public class OclCapabilityStatementProvider extends ServerCapabilityStatementProvider {

public static final String OPEN_CONCEPT_LAB = "Open Concept Lab";
public static final String OPEN_CONCEPT_LAB_FHIR_CAPABILITY_STATEMENT = "Open Concept Lab FHIR Capability Statement";
public static final String OPEN_CONCEPT_LAB_FHIR_API = "Open Concept Lab FHIR API";
public static final String THE_CANONICAL_URL_OF_THE_CODE_SYSTEM = "The canonical url of the code system";
public static final String THE_BUSINESS_VERSION_OF_THE_CODE_SYSTEM = "The business version of the code system";
public static final String THE_CANONICAL_URL_OF_THE_VALUESET = "The canonical url of the value set";
public static final String THE_BUSINESS_VERSION_OF_THE_VALUESET = "The business version of the value set";
public static final String CODE_SYSTEM_PROFILE = "http://hl7.org/fhir/StructureDefinition/CodeSystem";
public static final String VALUESET_PROFILE = "http://hl7.org/fhir/StructureDefinition/ValueSet";
public static final String COMMA = ", ";

@Override
public CapabilityStatement getServerConformance(HttpServletRequest theRequest, RequestDetails theRequestDetails) {
CapabilityStatement capabilityStatement = super.getServerConformance(theRequest, theRequestDetails);
capabilityStatement.setPublisher("Open Concept Lab");
CapabilityStatement capabilityStatement = new CapabilityStatement();
CapabilityStatement generated = super.getServerConformance(theRequest, theRequestDetails);
capabilityStatement.setStatus(Enumerations.PublicationStatus.ACTIVE);
capabilityStatement.setPublisher(OPEN_CONCEPT_LAB);
capabilityStatement.setDate(new Date());
capabilityStatement.setKind(CapabilityStatement.CapabilityStatementKind.INSTANCE);
capabilityStatement.setTitle(OPEN_CONCEPT_LAB_FHIR_CAPABILITY_STATEMENT);
capabilityStatement.setSoftware(generated.getSoftware());
CapabilityStatement.CapabilityStatementImplementationComponent implementation = capabilityStatement.getImplementation();
implementation.setDescription(OPEN_CONCEPT_LAB_FHIR_API);
implementation.setUrl(generated.getImplementation().getUrl());
capabilityStatement.setFhirVersion(Enumerations.FHIRVersion._4_0_1);
capabilityStatement.setFormat(generated.getFormat());

List<CapabilityStatement.CapabilityStatementRestComponent> restComponents = capabilityStatement.getRest();
CapabilityStatement.CapabilityStatementRestComponent codeSystemRestComponent = restComponent(CodeSystem.class.getSimpleName(), CODE_SYSTEM_PROFILE);
CapabilityStatement.CapabilityStatementRestComponent valueSetRestComponent = restComponent(ValueSet.class.getSimpleName(), VALUESET_PROFILE);

codeSystemRestComponent.setMode(CapabilityStatement.RestfulCapabilityMode.SERVER);
valueSetRestComponent.setMode(CapabilityStatement.RestfulCapabilityMode.SERVER);
String codeSystemLookupDefinition = (getOperationDefinitionPrefix(theRequestDetails) + "OperationDefinition/" + "CodeSystem--lookup?_format=json");
String codeSystemValidateCodeDefinition = (getOperationDefinitionPrefix(theRequestDetails) + "OperationDefinition/" + "CodeSystem--validate-code?_format=json");
String valueSetValidateCodeDefinition = (getOperationDefinitionPrefix(theRequestDetails) + "OperationDefinition/" + "ValueSet--validate-code?_format=json");
String valueSetExpandDefinition = (getOperationDefinitionPrefix(theRequestDetails) + "OperationDefinition/" + "ValueSet--expand?_format=json");

codeSystemRestComponent.getOperation().add(operationComponent("lookup", codeSystemLookupDefinition,
"Supported parameters: " + CODE + COMMA + SYSTEM + COMMA + VERSION + COMMA + DISP_LANG));
codeSystemRestComponent.getOperation().add(operationComponent("validate-code", codeSystemValidateCodeDefinition,
"Supported parameters: " + URL + COMMA + CODE + COMMA + VERSION + COMMA + DISPLAY + COMMA +
DISP_LANG + COMMA + CODING));

valueSetRestComponent.getOperation().add(operationComponent("validate-code", valueSetValidateCodeDefinition,
"Supported parameters: " + URL + COMMA + VALUESET_VERSION + COMMA + CODE + COMMA + SYSTEM + COMMA +
SYSTEM_VERSION + COMMA + DISPLAY + COMMA + DISP_LANG + COMMA + CODING));
valueSetRestComponent.getOperation().add(operationComponent("expand", valueSetExpandDefinition,
"Supported parameters: " + URL + COMMA + VALUESET_VERSION + COMMA + OFFSET + COMMA + COUNT + COMMA +
INCLUDE_DESIGNATIONS + COMMA + INCLUDE_DEFINITION + COMMA + ACTIVE_ONLY + COMMA + DISPLAY_LANGUAGE + COMMA +
EXCLUDE_SYSTEM + COMMA + SYSTEMVERSION + COMMA + FILTER));

restComponents.add(codeSystemRestComponent);
restComponents.add(valueSetRestComponent);
return capabilityStatement;
}

private CapabilityStatement.CapabilityStatementRestResourceOperationComponent operationComponent(String name, String definition, String note) {
CapabilityStatement.CapabilityStatementRestResourceOperationComponent c = new CapabilityStatement.CapabilityStatementRestResourceOperationComponent();
c.setName(name);
c.setDefinition(definition);
c.setDocumentation(note);
return c;
}


private CapabilityStatement.CapabilityStatementRestComponent restComponent(String type, String profile) {
CapabilityStatement.CapabilityStatementRestComponent component = new CapabilityStatement.CapabilityStatementRestComponent();
List<CapabilityStatement.CapabilityStatementRestResourceComponent> resources = component.getResource();
CapabilityStatement.CapabilityStatementRestResourceComponent resourceComponent = new CapabilityStatement.CapabilityStatementRestResourceComponent();
resources.add(resourceComponent);

List<CapabilityStatement.ResourceInteractionComponent> interactions = getInteractions();
List<CapabilityStatement.CapabilityStatementRestResourceSearchParamComponent> searchParams = getSearchParams(type);

resourceComponent.setType(type);
resourceComponent.setProfile(profile);
resourceComponent.setInteraction(interactions);
resourceComponent.setSearchParam(searchParams);
return component;
}

private List<CapabilityStatement.CapabilityStatementRestResourceSearchParamComponent> getSearchParams(String type) {
List<CapabilityStatement.CapabilityStatementRestResourceSearchParamComponent> searchParams = new ArrayList<>();
if (CodeSystem.class.getSimpleName().equals(type)) {
searchParams.add(searchParam(URL, Enumerations.SearchParamType.STRING, THE_CANONICAL_URL_OF_THE_CODE_SYSTEM));
searchParams.add(searchParam(VERSION, Enumerations.SearchParamType.STRING, THE_BUSINESS_VERSION_OF_THE_CODE_SYSTEM));
} else if (ValueSet.class.getSimpleName().equals(type)) {
searchParams.add(searchParam(URL, Enumerations.SearchParamType.STRING, THE_CANONICAL_URL_OF_THE_VALUESET));
searchParams.add(searchParam(VERSION, Enumerations.SearchParamType.STRING, THE_BUSINESS_VERSION_OF_THE_VALUESET));
}
return searchParams;
}

private List<CapabilityStatement.ResourceInteractionComponent> getInteractions() {
List<CapabilityStatement.ResourceInteractionComponent> interactions = new ArrayList<>();
interactions.add(interactionType(CapabilityStatement.TypeRestfulInteraction.READ));
interactions.add(interactionType(CapabilityStatement.TypeRestfulInteraction.SEARCHTYPE));
return interactions;
}


private CapabilityStatement.ResourceInteractionComponent interactionType(CapabilityStatement.TypeRestfulInteraction interaction) {
CapabilityStatement.ResourceInteractionComponent c = new CapabilityStatement.ResourceInteractionComponent();
c.setCode(interaction);
return c;
}

private CapabilityStatement.CapabilityStatementRestResourceSearchParamComponent searchParam(String name, Enumerations.SearchParamType type, String note) {
CapabilityStatement.CapabilityStatementRestResourceSearchParamComponent c = new CapabilityStatement.CapabilityStatementRestResourceSearchParamComponent();
c.setName(name);
c.setType(type);
c.setDocumentation(note);
return c;
}
}

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