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com.ibm.fhir.server.resources.Capabilities Maven / Gradle / Ivy
/*
* (C) Copyright IBM Corp. 2016, 2021
*
* SPDX-License-Identifier: Apache-2.0
*/
package com.ibm.fhir.server.resources;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_CAPABILITY_STATEMENT_CACHE;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_SECURITY_OAUTH_AUTH_URL;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_SECURITY_OAUTH_INTROSPECT_URL;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_SECURITY_OAUTH_MANAGE_URL;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_SECURITY_OAUTH_REG_URL;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_SECURITY_OAUTH_REVOKE_URL;
import static com.ibm.fhir.config.FHIRConfiguration.PROPERTY_SECURITY_OAUTH_TOKEN_URL;
import static com.ibm.fhir.core.FHIRConstants.EXT_BASE;
import static com.ibm.fhir.model.type.String.string;
import static com.ibm.fhir.server.util.IssueTypeToHttpStatusMapper.issueListToStatus;
import java.net.URI;
import java.time.Duration;
import java.time.ZoneOffset;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.CacheControl;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import com.ibm.fhir.cache.CacheManager;
import com.ibm.fhir.cache.CacheManager.Configuration;
import com.ibm.fhir.config.FHIRConfigHelper;
import com.ibm.fhir.config.FHIRConfiguration;
import com.ibm.fhir.config.PropertyGroup;
import com.ibm.fhir.config.PropertyGroup.PropertyEntry;
import com.ibm.fhir.core.FHIRMediaType;
import com.ibm.fhir.exception.FHIROperationException;
import com.ibm.fhir.model.format.Format;
import com.ibm.fhir.model.resource.CapabilityStatement;
import com.ibm.fhir.model.resource.CapabilityStatement.Rest;
import com.ibm.fhir.model.resource.CapabilityStatement.Rest.Resource.Interaction;
import com.ibm.fhir.model.resource.CapabilityStatement.Rest.Resource.Operation;
import com.ibm.fhir.model.resource.CodeSystem;
import com.ibm.fhir.model.resource.DomainResource;
import com.ibm.fhir.model.resource.OperationDefinition;
import com.ibm.fhir.model.resource.Resource;
import com.ibm.fhir.model.resource.SearchParameter;
import com.ibm.fhir.model.resource.TerminologyCapabilities;
import com.ibm.fhir.model.resource.TerminologyCapabilities.Closure;
import com.ibm.fhir.model.resource.TerminologyCapabilities.Expansion;
import com.ibm.fhir.model.resource.TerminologyCapabilities.Translation;
import com.ibm.fhir.model.resource.TerminologyCapabilities.ValidateCode;
import com.ibm.fhir.model.type.Canonical;
import com.ibm.fhir.model.type.Code;
import com.ibm.fhir.model.type.CodeableConcept;
import com.ibm.fhir.model.type.Coding;
import com.ibm.fhir.model.type.DateTime;
import com.ibm.fhir.model.type.Extension;
import com.ibm.fhir.model.type.Markdown;
import com.ibm.fhir.model.type.Uri;
import com.ibm.fhir.model.type.code.CapabilityStatementKind;
import com.ibm.fhir.model.type.code.CodeSearchSupport;
import com.ibm.fhir.model.type.code.ConditionalDeleteStatus;
import com.ibm.fhir.model.type.code.ConditionalReadStatus;
import com.ibm.fhir.model.type.code.FHIRVersion;
import com.ibm.fhir.model.type.code.IssueType;
import com.ibm.fhir.model.type.code.PublicationStatus;
import com.ibm.fhir.model.type.code.ResourceType;
import com.ibm.fhir.model.type.code.RestfulCapabilityMode;
import com.ibm.fhir.model.type.code.SystemRestfulInteraction;
import com.ibm.fhir.model.type.code.TypeRestfulInteraction;
import com.ibm.fhir.model.util.ModelSupport;
import com.ibm.fhir.persistence.exception.FHIRPersistenceException;
import com.ibm.fhir.registry.FHIRRegistry;
import com.ibm.fhir.registry.resource.FHIRRegistryResource;
import com.ibm.fhir.registry.resource.FHIRRegistryResource.Version;
import com.ibm.fhir.search.util.SearchUtil;
import com.ibm.fhir.server.FHIRBuildIdentifier;
import com.ibm.fhir.server.operation.FHIROperationRegistry;
import com.ibm.fhir.server.operation.spi.FHIROperation;
import com.ibm.fhir.server.util.RestAuditLogger;
@Path("/")
@Consumes({ FHIRMediaType.APPLICATION_FHIR_JSON, MediaType.APPLICATION_JSON, FHIRMediaType.APPLICATION_FHIR_XML,
MediaType.APPLICATION_XML })
@Produces({ FHIRMediaType.APPLICATION_FHIR_JSON, MediaType.APPLICATION_JSON, FHIRMediaType.APPLICATION_FHIR_XML,
MediaType.APPLICATION_XML })
public class Capabilities extends FHIRResource {
private static final Logger log = java.util.logging.Logger.getLogger(Capabilities.class.getName());
// Constants
private static final String FHIR_SERVER_NAME = "IBM FHIR Server";
private static final String FHIR_COPYRIGHT = "(C) Copyright IBM Corporation 2016, 2021";
private static final String FHIR_PUBLISHER = "IBM Corporation";
private static final String BASE_CAPABILITY_URL = "http://hl7.org/fhir/CapabilityStatement/base";
private static final String BASE_2_CAPABILITY_URL = "http://hl7.org/fhir/CapabilityStatement/base2";
private static final List ALL_INTERACTIONS = Arrays.asList("create", "read", "vread", "update", "patch", "delete", "history", "search");
private static final List ALL_RESOURCE_TYPES = ModelSupport.getResourceTypes(false).stream()
.map(rt -> ResourceType.Value.from(rt.getSimpleName()))
.collect(Collectors.toList());
// Error Messages
private static final String ERROR_MSG = "Caught exception while processing 'metadata' request.";
private static final String ERROR_CONSTRUCTING = "An error occurred while constructing the Conformance statement.";
private static final String CAPABILITY_STATEMENT_CACHE_NAME = "com.ibm.fhir.server.resources.Capabilities.statementCache";
// Constructor
public Capabilities() throws Exception {
super();
}
@GET
@Path("metadata")
public Response capabilities(@QueryParam("mode") @DefaultValue("full") String mode) {
log.entering(this.getClass().getName(), "capabilities()");
try {
Date startTime = new Date();
checkInitComplete();
if (!isValidMode(mode)) {
throw new IllegalArgumentException("Invalid mode parameter: must be one of [full, normative, terminology]");
}
// Defaults to 60 minutes (or what's in the fhirConfig)
int cacheTimeout = FHIRConfigHelper.getIntProperty(PROPERTY_CAPABILITY_STATEMENT_CACHE, 60);
Configuration configuration = Configuration.of(Duration.of(cacheTimeout, ChronoUnit.MINUTES));
Map cacheAsMap = CacheManager.getCacheAsMap(CAPABILITY_STATEMENT_CACHE_NAME, configuration);
Resource capabilityStatement = cacheAsMap.computeIfAbsent(mode, k -> computeCapabilityStatement(mode));
RestAuditLogger.logMetadata(httpServletRequest, startTime, new Date(), Response.Status.OK);
CacheControl cacheControl = new CacheControl();
cacheControl.setPrivate(true);
cacheControl.setMaxAge(60 * cacheTimeout);
return Response.ok().entity(capabilityStatement).cacheControl(cacheControl).build();
} catch (IllegalArgumentException e) {
return exceptionResponse(e, Response.Status.BAD_REQUEST);
} catch (RuntimeException e) {
FHIROperationException foe = buildRestException(ERROR_CONSTRUCTING, IssueType.EXCEPTION);
if (e.getCause() != null) {
log.log(Level.SEVERE, ERROR_MSG, e.getCause());
} else {
log.log(Level.SEVERE, ERROR_MSG, foe);
}
return exceptionResponse(e, issueListToStatus(foe.getIssues()));
} catch (Exception e) {
log.log(Level.SEVERE, ERROR_MSG, e);
return exceptionResponse(e, Response.Status.INTERNAL_SERVER_ERROR);
} finally {
log.exiting(this.getClass().getName(), "capabilities()");
}
}
private boolean isValidMode(String mode) {
return "full".equals(mode) || "normative".equals(mode) || "terminology".equals(mode);
}
private Resource computeCapabilityStatement(String mode) {
try {
switch (mode) {
case "terminology":
return buildTerminologyCapabilities();
case "full":
case "normative":
default:
return buildCapabilityStatement();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private TerminologyCapabilities buildTerminologyCapabilities() {
FHIRBuildIdentifier buildInfo = new FHIRBuildIdentifier();
String buildDescription = FHIR_SERVER_NAME + " version " + buildInfo.getBuildVersion() + " build id " + buildInfo.getBuildId() + "";
/*
* The following checks to see if there is a Terminology Service URL that we want to inline into the Terminology Capabilities Statement
* else the minimal implementation.description.
*/
String customTerminologyImpl = FHIRConfigHelper.getStringProperty(FHIRConfiguration.PROPERTY_TERM_SERVICE_CAPABILITIES_URL, null);
TerminologyCapabilities.Implementation impl;
if (customTerminologyImpl != null) {
impl = TerminologyCapabilities.Implementation.builder()
.description(string(buildDescription))
.url(com.ibm.fhir.model.type.Url.of(customTerminologyImpl))
.build();
} else {
impl = TerminologyCapabilities.Implementation.builder()
.description(string(buildDescription))
.build();
}
return TerminologyCapabilities.builder()
.status(PublicationStatus.ACTIVE)
.experimental(com.ibm.fhir.model.type.Boolean.TRUE)
.date(DateTime.now(ZoneOffset.UTC))
.kind(CapabilityStatementKind.INSTANCE)
.version(string(buildInfo.getBuildVersion()))
.name(string(FHIR_SERVER_NAME))
.description(Markdown.of(buildDescription))
.copyright(Markdown.of(FHIR_COPYRIGHT))
.publisher(string(FHIR_PUBLISHER))
.software(TerminologyCapabilities.Software.builder()
.name(string(FHIR_SERVER_NAME))
.version(string(buildInfo.getBuildVersion()))
.id(buildInfo.getBuildId())
.build())
.implementation(impl)
.codeSystem(buildCodeSystem())
.expansion(Expansion.builder()
.hierarchical(com.ibm.fhir.model.type.Boolean.FALSE)
.paging(com.ibm.fhir.model.type.Boolean.FALSE)
.incomplete(com.ibm.fhir.model.type.Boolean.FALSE)
.textFilter(Markdown.of("Text searching is not supported"))
.build())
.codeSearch(CodeSearchSupport.ALL)
.validateCode(ValidateCode.builder()
.translations(com.ibm.fhir.model.type.Boolean.FALSE)
.build())
.translation(Translation.builder()
.needsMap(com.ibm.fhir.model.type.Boolean.TRUE)
.build())
.closure(Closure.builder()
.translation(com.ibm.fhir.model.type.Boolean.FALSE)
.build())
.build();
}
private List buildCodeSystem() {
Map> versionMap = new LinkedHashMap<>();
for (FHIRRegistryResource registryResource : FHIRRegistry.getInstance().getRegistryResources(CodeSystem.class)) {
String url = registryResource.getUrl();
FHIRRegistryResource.Version version = registryResource.getVersion();
List versions = versionMap.computeIfAbsent(url, k -> new ArrayList<>());
if (!Version.NO_VERSION.equals(version)) {
versions.add(TerminologyCapabilities.CodeSystem.Version.builder()
.code(string(version.toString()))
.isDefault(registryResource.isDefaultVersion() ? com.ibm.fhir.model.type.Boolean.TRUE : null)
.build());
}
}
List codeSystems = new ArrayList<>(versionMap.keySet().size());
for (String url : versionMap.keySet()) {
List versions = versionMap.get(url);
codeSystems.add(TerminologyCapabilities.CodeSystem.builder()
.uri(Canonical.of(url))
.version(versions)
.build());
}
return codeSystems;
}
/**
* Builds a CapabilityStatement resource instance which describes this server.
*
* @throws Exception
*/
private CapabilityStatement buildCapabilityStatement() throws Exception {
// Retrieve the "resources" config property group.
PropertyGroup rsrcsGroup = FHIRConfigHelper.getPropertyGroup(FHIRConfiguration.PROPERTY_RESOURCES);
// Build the list of interactions, searchIncludes, and searchRevIncludes supported for each resource type by default.
List defaultInteractions = buildInteractions(ALL_INTERACTIONS);
List defaultSearchIncludes = Collections.emptyList();
List defaultSearchRevIncludes = Collections.emptyList();
if (rsrcsGroup != null) {
PropertyGroup parentResourcePropGroup = rsrcsGroup.getPropertyGroup(ResourceType.Value.RESOURCE.value());
if (parentResourcePropGroup != null) {
List interactionConfig = parentResourcePropGroup.getStringListProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_INTERACTIONS);
if (interactionConfig != null) {
defaultInteractions = buildInteractions(interactionConfig);
}
List searchIncludeConfig = parentResourcePropGroup.getStringListProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_SEARCH_INCLUDES);
if (searchIncludeConfig != null) {
defaultSearchIncludes = convertStringList(searchIncludeConfig);
}
List searchRevIncludeConfig =
parentResourcePropGroup.getStringListProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_SEARCH_REV_INCLUDES);
if (searchRevIncludeConfig != null) {
defaultSearchRevIncludes = convertStringList(searchRevIncludeConfig);
}
}
}
// Build the lists of operations that are supported
Set systemOps = new LinkedHashSet<>();
Map> typeOps = new HashMap<>();
FHIROperationRegistry opRegistry = FHIROperationRegistry.getInstance();
List operationNames = opRegistry.getOperationNames();
for (String opName : operationNames) {
FHIROperation operation = opRegistry.getOperation(opName);
OperationDefinition opDef = operation.getDefinition();
if (Boolean.TRUE.equals(opDef.getSystem().getValue())) {
systemOps.add(opDef);
}
for (ResourceType resourceType : opDef.getResource()) {
ResourceType.Value typeValue = resourceType.getValueAsEnum();
if (typeOps.containsKey(typeValue)) {
typeOps.get(typeValue).add(opDef);
} else {
Set typeOpList = new LinkedHashSet<>();
typeOpList.add(opDef);
typeOps.put(typeValue, typeOpList);
}
}
}
com.ibm.fhir.model.type.Boolean isUpdateCreate = com.ibm.fhir.model.type.Boolean.of(isUpdateCreateEnabled());
// Build the list of supported resources.
List resources = new ArrayList<>();
List resourceTypes = getSupportedResourceTypes(rsrcsGroup);
for (ResourceType.Value resourceType : resourceTypes) {
String resourceTypeName = resourceType.value();
// Build the set of ConformanceSearchParams for this resource type.
List conformanceSearchParams = new ArrayList<>();
List searchParameters = SearchUtil.getApplicableSearchParameters(resourceTypeName);
if (searchParameters != null) {
for (SearchParameter searchParameter : searchParameters) {
Rest.Resource.SearchParam.Builder conformanceSearchParamBuilder =
Rest.Resource.SearchParam.builder()
.name(searchParameter.getCode())
.type(searchParameter.getType());
if (searchParameter.getDescription() != null) {
conformanceSearchParamBuilder.documentation(searchParameter.getDescription());
}
Rest.Resource.SearchParam conformanceSearchParam =
conformanceSearchParamBuilder.build();
conformanceSearchParams.add(conformanceSearchParam);
}
}
List ops = mapOperationDefinitionsToRestOperations(typeOps.get(resourceType));
// If the type is an abstract resource ("Resource" or "DomainResource")
// then the operation can be invoked on any concrete specialization.
ops.addAll(mapOperationDefinitionsToRestOperations(typeOps.get(ResourceType.Value.RESOURCE)));
if (DomainResource.class.isAssignableFrom(ModelSupport.getResourceType(resourceTypeName))) {
ops.addAll(mapOperationDefinitionsToRestOperations(typeOps.get(ResourceType.Value.DOMAIN_RESOURCE)));
}
// Build the list of interactions, searchIncludes, and searchRevIncludes supported for the resource type.
List interactions = defaultInteractions;
List searchIncludes = defaultSearchIncludes;
List searchRevIncludes = defaultSearchRevIncludes;
if (rsrcsGroup != null) {
PropertyGroup resourcePropGroup = rsrcsGroup.getPropertyGroup(resourceTypeName);
if (resourcePropGroup != null) {
List resourceInteractionConfig =
resourcePropGroup.getStringListProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_INTERACTIONS);
if (resourceInteractionConfig != null) {
interactions = buildInteractions(resourceInteractionConfig);
}
List searchIncludeConfig = resourcePropGroup.getStringListProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_SEARCH_INCLUDES);
if (searchIncludeConfig != null) {
searchIncludes = convertStringList(searchIncludeConfig);
}
List searchRevIncludeConfig =
resourcePropGroup.getStringListProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_SEARCH_REV_INCLUDES);
if (searchRevIncludeConfig != null) {
searchRevIncludes = convertStringList(searchRevIncludeConfig);
}
}
}
// Build the ConformanceResource for this resource type.
Rest.Resource cr = Rest.Resource.builder()
.type(ResourceType.of(resourceType))
.profile(Canonical.of("http://hl7.org/fhir/profiles/" + resourceTypeName))
.interaction(interactions)
.operation(ops)
.conditionalCreate(com.ibm.fhir.model.type.Boolean.TRUE)
.conditionalUpdate(com.ibm.fhir.model.type.Boolean.TRUE)
.updateCreate(isUpdateCreate)
.conditionalDelete(ConditionalDeleteStatus.MULTIPLE)
.conditionalRead(ConditionalReadStatus.FULL_SUPPORT)
.searchParam(conformanceSearchParams)
.searchInclude(searchIncludes)
.searchRevInclude(searchRevIncludes)
.build();
resources.add(cr);
}
// Determine if transactions are supported for this FHIR Server configuration.
SystemRestfulInteraction transactionMode = SystemRestfulInteraction.BATCH;
try {
boolean txnSupported = getPersistenceImpl().isTransactional();
transactionMode = (txnSupported ? SystemRestfulInteraction.TRANSACTION
: SystemRestfulInteraction.BATCH);
} catch (Throwable t) {
log.log(Level.WARNING, "Unexpected error while reading server transaction mode setting", t);
}
CapabilityStatement.Rest.Security.Builder securityBuilder = CapabilityStatement.Rest.Security.builder()
.cors(com.ibm.fhir.model.type.Boolean.of(FHIRConfigHelper.getBooleanProperty(FHIRConfiguration.PROPERTY_SECURITY_CORS, true)));
if (FHIRConfigHelper.getBooleanProperty(FHIRConfiguration.PROPERTY_SECURITY_BASIC_ENABLED, false)) {
securityBuilder.service(CodeableConcept.builder()
.coding(Coding.builder()
.code(Code.of("Basic"))
.system(Uri.of("http://terminology.hl7.org/CodeSystem/restful-security-service"))
.build())
.build());
}
if (FHIRConfigHelper.getBooleanProperty(FHIRConfiguration.PROPERTY_SECURITY_CERT_ENABLED, false)) {
securityBuilder.service(CodeableConcept.builder()
.coding(Coding.builder()
.code(Code.of("Certificates"))
.system(Uri.of("http://terminology.hl7.org/CodeSystem/restful-security-service"))
.build())
.build());
}
if (FHIRConfigHelper.getBooleanProperty(FHIRConfiguration.PROPERTY_SECURITY_OAUTH_ENABLED, false)) {
String actualHost = new URI(getRequestUri()).getHost();
String authURLTemplate = null;
String tokenURLTemplate = null;
String regURLTemplate = null;
String manageURLTemplate = null;
String introspectURLTemplate = null;
String revokeURLTemplate = null;
try {
authURLTemplate = FHIRConfigHelper.getStringProperty(PROPERTY_SECURITY_OAUTH_AUTH_URL, "");
tokenURLTemplate = FHIRConfigHelper.getStringProperty(PROPERTY_SECURITY_OAUTH_TOKEN_URL, "");
regURLTemplate = FHIRConfigHelper.getStringProperty(PROPERTY_SECURITY_OAUTH_REG_URL, "");
manageURLTemplate = FHIRConfigHelper.getStringProperty(PROPERTY_SECURITY_OAUTH_MANAGE_URL, "");
introspectURLTemplate = FHIRConfigHelper.getStringProperty(PROPERTY_SECURITY_OAUTH_INTROSPECT_URL, "");
revokeURLTemplate = FHIRConfigHelper.getStringProperty(PROPERTY_SECURITY_OAUTH_REVOKE_URL, "");
} catch (Exception e) {
log.log(Level.SEVERE, "An error occurred while adding OAuth URLs to the conformance statement", e);
}
String tokenURL = tokenURLTemplate.replaceAll("", actualHost);
String authURL = authURLTemplate.replaceAll("", actualHost);
String regURL = regURLTemplate.replaceAll("", actualHost);
String manageURL = manageURLTemplate.replaceAll("", actualHost);
String introspectURL = introspectURLTemplate.replaceAll("", actualHost);
String revokeURL = revokeURLTemplate.replaceAll("", actualHost);
Boolean smartEnabled = FHIRConfigHelper.getBooleanProperty(FHIRConfiguration.PROPERTY_SECURITY_OAUTH_ENABLED, false);
securityBuilder.service(CodeableConcept.builder()
.coding(Coding.builder()
.code(Code.of(smartEnabled ? "SMART-on-FHIR" : "OAuth"))
.system(Uri.of("http://terminology.hl7.org/CodeSystem/restful-security-service"))
.build())
.text(smartEnabled ? string("OAuth") : string("OAuth2 using SMART-on-FHIR profile (see http://docs.smarthealthit.org)"))
.build())
.extension(buildOAuthURIsExtension(authURL, tokenURL, regURL, manageURL, introspectURL, revokeURL));
}
CapabilityStatement.Rest rest = CapabilityStatement.Rest.builder()
.mode(RestfulCapabilityMode.SERVER)
.security(securityBuilder.build())
.resource(addSupportedProfilesToResources(resources))
.interaction(CapabilityStatement.Rest.Interaction.builder()
.code(transactionMode)
.build())
.operation(mapOperationDefinitionsToRestOperations(systemOps))
.build();
FHIRBuildIdentifier buildInfo = new FHIRBuildIdentifier();
String buildDescription = FHIR_SERVER_NAME + " version " + buildInfo.getBuildVersion()
+ " build id " + buildInfo.getBuildId() + "";
List format = new ArrayList<>();
format.add(Code.of(Format.JSON.toString().toLowerCase()));
format.add(Code.of(Format.XML.toString().toLowerCase()));
format.add(Code.of(FHIRMediaType.APPLICATION_JSON));
format.add(Code.of(FHIRMediaType.APPLICATION_FHIR_JSON));
format.add(Code.of(FHIRMediaType.APPLICATION_XML));
format.add(Code.of(FHIRMediaType.APPLICATION_FHIR_XML));
/*
* The following checks to see if there is a IBM FHIR Server Service URL that we want to inline into the Capabilities Statement
* else the minimal implementation.description.
*/
String customImpl = FHIRConfigHelper.getStringProperty(FHIRConfiguration.PROPERTY_CAPABILITIES_URL, null);
CapabilityStatement.Implementation impl;
if (customImpl != null) {
impl = CapabilityStatement.Implementation.builder()
.description(string(buildDescription))
.url(com.ibm.fhir.model.type.Url.of(customImpl))
.build();
} else {
impl = CapabilityStatement.Implementation.builder()
.description(string(buildDescription))
.build();
}
// Finally, create the CapabilityStatement resource itself.
CapabilityStatement conformance = CapabilityStatement.builder()
.status(PublicationStatus.ACTIVE)
.date(DateTime.now(ZoneOffset.UTC))
.kind(CapabilityStatementKind.INSTANCE)
.fhirVersion(FHIRVersion.VERSION_4_0_1)
.format(format)
.patchFormat(Code.of(FHIRMediaType.APPLICATION_JSON_PATCH),
Code.of(FHIRMediaType.APPLICATION_FHIR_JSON),
Code.of(FHIRMediaType.APPLICATION_FHIR_XML))
.version(string(buildInfo.getBuildVersion()))
.name(string(FHIR_SERVER_NAME))
.description(Markdown.of(buildDescription))
.copyright(Markdown.of(FHIR_COPYRIGHT))
.publisher(string(FHIR_PUBLISHER))
.software(CapabilityStatement.Software.builder()
.name(string(FHIR_SERVER_NAME))
.version(string(buildInfo.getBuildVersion()))
.id(buildInfo.getBuildId())
.build())
.rest(rest)
.instantiates(buildInstantiates())
.implementation(impl)
.build();
try {
conformance = addExtensionElements(conformance);
} catch (Exception e) {
log.log(Level.SEVERE, "An error occurred while adding extension elements to the conformance statement", e);
}
return conformance;
}
/**
* @param interactionConfig a list of strings that represent the RESTful interactions to support for this resource type
* (create, read, vread, update, patch, delete, history, and/or search)
* @return a list of Rest.Resource.Interaction objects to include in the CapabilityStatement
* @throws FHIRPersistenceException
*/
private List buildInteractions(List interactionConfig) throws Exception {
if (interactionConfig == null) return null;
List interactions = new ArrayList<>();
for (String interactionString : interactionConfig) {
if ("search".equals(interactionString)) {
// special case for search since the value set uses "search-type" instead of just "search"
interactions.add(buildInteractionStatement(TypeRestfulInteraction.SEARCH_TYPE));
} else if ("history".equals(interactionString)){
// special case for search since the value set uses "history-instance" instead of just "history"
interactions.add(buildInteractionStatement(TypeRestfulInteraction.HISTORY_INSTANCE));
} else if ("delete".equals(interactionString)) {
// special case for delete since we shouldn't advertise it if the PL doesn't support it
interactions.add(buildInteractionStatement(TypeRestfulInteraction.DELETE));
} else {
interactions.add(buildInteractionStatement(TypeRestfulInteraction.of(interactionString)));
}
}
return interactions;
}
/**
* Convert list of Java strings to list of FHIR strings.
* @param stringList a list of Java string, or null
* @return a list of FHIR strings, or null
*/
private List convertStringList(List stringList) {
if (stringList != null) {
return stringList.stream().map(k -> com.ibm.fhir.model.type.String.of(k)).collect(Collectors.toList());
}
return null;
}
/**
* @param rsrcsGroup the "resources" propertyGroup from the server configuration
* @return a list of resource types to support
* @throws Exception
*/
private List getSupportedResourceTypes(PropertyGroup rsrcsGroup) throws Exception {
if (rsrcsGroup == null) {
return ALL_RESOURCE_TYPES;
}
List resourceTypes = new ArrayList<>();
if (rsrcsGroup.getBooleanProperty(FHIRConfiguration.PROPERTY_FIELD_RESOURCES_OPEN, true)) {
resourceTypes = ALL_RESOURCE_TYPES;
} else {
List rsrcsEntries = rsrcsGroup.getProperties();
if (rsrcsEntries != null && !rsrcsEntries.isEmpty()) {
for (PropertyEntry rsrcsEntry : rsrcsEntries) {
String name = rsrcsEntry.getName();
// Ensure we skip over the special property "open" and process only the others
if (!FHIRConfiguration.PROPERTY_FIELD_RESOURCES_OPEN.equals(name)) {
// Skip the abstract types Resource and DomainResource
if (!Resource.class.equals(ModelSupport.getResourceType(name)) &&
!DomainResource.class.equals(ModelSupport.getResourceType(name))) {
resourceTypes.add(ResourceType.Value.from(name));
}
}
}
}
}
return resourceTypes;
}
/**
* Builds the list of canonicals for the instantiates field based on the capability statements (except FHIR core)
* found in the FHIR registry.
*
* @return list of canonicals
*/
private List buildInstantiates() {
Collection registeredCapabilities = FHIRRegistry.getInstance().getResources(CapabilityStatement.class);
List instantiates = new ArrayList<>();
for (CapabilityStatement registeredCapability : registeredCapabilities) {
if (registeredCapability != null && registeredCapability.getUrl() != null) {
boolean isServerCS = false;
for(Rest r : registeredCapability.getRest()) {
if (RestfulCapabilityMode.Value.SERVER == r.getMode().getValueAsEnum()) {
isServerCS = true;
}
}
String url = registeredCapability.getUrl().getValue();
// BASE_CAPABILITY_URL and BASE_2_CAPABILITY_URL come from the core spec and shouldn't be advertised
if (url != null && isServerCS && !BASE_CAPABILITY_URL.equals(url) && !BASE_2_CAPABILITY_URL.equals(url)) {
String canonicalValue = url;
if (registeredCapability.getVersion() != null && registeredCapability.getVersion().getValue() != null) {
canonicalValue = canonicalValue + "|" + registeredCapability.getVersion().getValue();
}
instantiates.add(Canonical.builder().value(canonicalValue).build());
}
}
}
return instantiates;
}
private Extension buildOAuthURIsExtension(String authURL, String tokenURL, String regURL, String manageURL, String introspectURL, String revokeURL) {
Extension.Builder builder = Extension.builder().url("http://fhir-registry.smarthealthit.org/StructureDefinition/oauth-uris");
builder.extension(Extension.builder().url("authorize").value(Uri.of(authURL)).build());
builder.extension(Extension.builder().url("token").value(Uri.of(tokenURL)).build());
if (regURL != null && !regURL.isEmpty()) {
builder.extension(Extension.builder().url("register").value(Uri.of(regURL)).build());
}
if (manageURL != null && !manageURL.isEmpty()) {
builder.extension(Extension.builder().url("register").value(Uri.of(manageURL)).build());
}
if (introspectURL != null && !introspectURL.isEmpty()) {
builder.extension(Extension.builder().url("register").value(Uri.of(introspectURL)).build());
}
if (revokeURL != null && !revokeURL.isEmpty()) {
builder.extension(Extension.builder().url("register").value(Uri.of(revokeURL)).build());
}
return builder.build();
}
private List addSupportedProfilesToResources(List resources){
Map> resourceProfiles = FHIRRegistry.getInstance().getProfiles();
return resources.stream().map(r -> processResource(r,resourceProfiles)).collect(Collectors.toList());
}
private Rest.Resource processResource(Rest.Resource resource, Map> resourceProfiles){
Set supportedProfiles = resourceProfiles.get(resource.getType().getValue());
if(supportedProfiles != null) {
return resource.toBuilder().supportedProfile(new ArrayList<>(supportedProfiles)).build();
} else {
return resource;
}
}
private List mapOperationDefinitionsToRestOperations(Set inOpDefs) {
List opDefs = new ArrayList<>();
if (inOpDefs != null) {
opDefs = new ArrayList<>(inOpDefs);
} else {
return new ArrayList<>();
}
List ops = new ArrayList<>();
for (OperationDefinition opDef : opDefs) {
if (opDef.getUrl() == null || !opDef.getUrl().hasValue()) {
// The FHIROperationRegistry requires OperationDefinitions to have a url, so we shouldn't ever get here
throw new IllegalStateException("Operation " + opDef.getCode().getValue() + " has no url");
}
ops.add(Rest.Resource.Operation.builder()
.name(opDef.getCode())
.definition(Canonical.of(opDef.getUrl().getValue(), opDef.getVersion() == null ? null : opDef.getVersion().getValue()))
.documentation(opDef.getDescription())
.build());
}
return ops;
}
private CapabilityStatement addExtensionElements(CapabilityStatement capabilityStatement)
throws Exception {
List extentions = new ArrayList<>();
Extension extension = Extension.builder()
.url(EXT_BASE + "defaultTenantId")
.value(string(fhirConfig.getStringProperty(FHIRConfiguration.PROPERTY_DEFAULT_TENANT_ID, FHIRConfiguration.DEFAULT_TENANT_ID)))
.build();
extentions.add(extension);
extension = Extension.builder()
.url(EXT_BASE + "websocketNotificationsEnabled")
.value(com.ibm.fhir.model.type.Boolean.of(fhirConfig.getBooleanProperty(FHIRConfiguration.PROPERTY_WEBSOCKET_ENABLED, Boolean.FALSE)))
.build();
extentions.add(extension);
extension = Extension.builder()
.url(EXT_BASE + "kafkaNotificationsEnabled")
.value(com.ibm.fhir.model.type.Boolean.of(fhirConfig.getBooleanProperty(FHIRConfiguration.PROPERTY_KAFKA_ENABLED, Boolean.FALSE)))
.build();
extentions.add(extension);
extension = Extension.builder()
.url(EXT_BASE + "natsNotificationsEnabled")
.value(com.ibm.fhir.model.type.Boolean.of(fhirConfig.getBooleanProperty(FHIRConfiguration.PROPERTY_NATS_ENABLED, Boolean.FALSE)))
.build();
extentions.add(extension);
String notificationResourceTypes = getNotificationResourceTypes();
if ("".equals(notificationResourceTypes)) {
notificationResourceTypes = "";
}
extension = Extension.builder()
.url(EXT_BASE + "notificationResourceTypes")
.value(string(notificationResourceTypes))
.build();
extentions.add(extension);
String auditLogServiceName =
fhirConfig.getStringProperty(FHIRConfiguration.PROPERTY_AUDIT_SERVICE_CLASS_NAME);
if (auditLogServiceName == null || "".equals(auditLogServiceName)) {
auditLogServiceName = "";
} else {
int lastDelimeter = auditLogServiceName.lastIndexOf(".");
auditLogServiceName = auditLogServiceName.substring(lastDelimeter + 1);
}
extension = Extension.builder()
.url(EXT_BASE + "auditLogServiceName")
.value(string(auditLogServiceName))
.build();
extentions.add(extension);
extension = Extension.builder()
.url(EXT_BASE + "persistenceType")
.value(string(getPersistenceImpl().getClass().getSimpleName()))
.build();
extentions.add(extension);
return capabilityStatement.toBuilder().extension(extentions).build();
}
private String getNotificationResourceTypes() throws Exception {
Object[] notificationResourceTypes =
fhirConfig.getArrayProperty(FHIRConfiguration.PROPERTY_NOTIFICATION_RESOURCE_TYPES);
if (notificationResourceTypes == null) {
notificationResourceTypes = new Object[0];
}
return Arrays.asList(notificationResourceTypes).toString().replace("[", "").replace("]", "").replace(" ", "");
}
private Interaction buildInteractionStatement(TypeRestfulInteraction value) {
Interaction ci = Interaction.builder().code(value).build();
return ci;
}
}
