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/*
* #%L
* HAPI FHIR - Core Library
* %%
* 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.fhir.context;
import ca.uhn.fhir.i18n.Msg;
import ca.uhn.fhir.model.api.ExtensionDt;
import ca.uhn.fhir.model.api.IDatatype;
import ca.uhn.fhir.model.base.composite.BaseResourceReferenceDt;
import org.apache.commons.text.WordUtils;
import org.hl7.fhir.instance.model.api.IBase;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class RuntimeChildUndeclaredExtensionDefinition extends BaseRuntimeChildDefinition {
private static final String VALUE_REFERENCE = "valueReference";
private static final String VALUE_RESOURCE = "valueResource";
private static final org.slf4j.Logger ourLog =
org.slf4j.LoggerFactory.getLogger(RuntimeChildUndeclaredExtensionDefinition.class);
private Map> myAttributeNameToDefinition;
private Map, String> myDatatypeToAttributeName;
private Map, BaseRuntimeElementDefinition> myDatatypeToDefinition;
public RuntimeChildUndeclaredExtensionDefinition() {
// nothing
}
private void addReferenceBinding(
FhirContext theContext,
Map, BaseRuntimeElementDefinition> theClassToElementDefinitions,
String value) {
BaseRuntimeElementDefinition def = findResourceReferenceDefinition(theClassToElementDefinitions);
myAttributeNameToDefinition.put(value, def);
/*
* Resource reference - The correct name is 'valueReference' in DSTU2 and 'valueResource' in DSTU1
*/
if (!value.equals(VALUE_RESOURCE)) {
myDatatypeToAttributeName.put(theContext.getVersion().getResourceReferenceType(), value);
myDatatypeToDefinition.put(BaseResourceReferenceDt.class, def);
myDatatypeToDefinition.put(theContext.getVersion().getResourceReferenceType(), def);
}
}
@Override
public IAccessor getAccessor() {
return new IAccessor() {
@Override
public List getValues(IBase theTarget) {
ExtensionDt target = (ExtensionDt) theTarget;
if (target.getValue() != null) {
return Collections.singletonList(target.getValue());
}
return new ArrayList<>(target.getUndeclaredExtensions());
}
};
}
@Override
public BaseRuntimeElementDefinition getChildByName(String theName) {
return myAttributeNameToDefinition.get(theName);
}
@Override
public BaseRuntimeElementDefinition getChildElementDefinitionByDatatype(Class theType) {
return myDatatypeToDefinition.get(theType);
}
@Override
public String getChildNameByDatatype(Class theDatatype) {
return myDatatypeToAttributeName.get(theDatatype);
}
@Override
public String getElementName() {
return "extension";
}
@Override
public int getMax() {
return 1;
}
@Override
public int getMin() {
return 0;
}
@Override
public IMutator getMutator() {
return new IMutator() {
@Override
public void addValue(IBase theTarget, IBase theValue) {
ExtensionDt target = (ExtensionDt) theTarget;
target.setValue((IDatatype) theTarget);
}
@Override
public void setValue(IBase theTarget, IBase theValue) {
ExtensionDt target = (ExtensionDt) theTarget;
target.setValue((IDatatype) theTarget);
}
};
}
@Override
public Set getValidChildNames() {
return myAttributeNameToDefinition.keySet();
}
@Override
public boolean isSummary() {
return false;
}
@Override
void sealAndInitialize(
FhirContext theContext,
Map, BaseRuntimeElementDefinition> theClassToElementDefinitions) {
Map> datatypeAttributeNameToDefinition = new HashMap<>();
myDatatypeToAttributeName = new HashMap<>();
myDatatypeToDefinition = new HashMap<>();
for (BaseRuntimeElementDefinition next : theClassToElementDefinitions.values()) {
if (next instanceof IRuntimeDatatypeDefinition) {
myDatatypeToDefinition.put(next.getImplementingClass(), next);
boolean isSpecialization = ((IRuntimeDatatypeDefinition) next).isSpecialization();
if (isSpecialization) {
ourLog.trace("Not adding specialization: {}", next.getImplementingClass());
}
if (!next.isStandardType()) {
continue;
}
String qualifiedName = next.getImplementingClass().getName();
/*
* We don't want user-defined custom datatypes ending up overriding the built in
* types here. It would probably be better for there to be a way for
* a datatype to indicate via its annotation that it's a built in
* type.
*/
if (!qualifiedName.startsWith("ca.uhn.fhir.model")) {
if (!qualifiedName.startsWith("org.hl7.fhir")) {
continue;
}
}
String attrName = createExtensionChildName(next);
if (isSpecialization && datatypeAttributeNameToDefinition.containsKey(attrName)) {
continue;
}
if (datatypeAttributeNameToDefinition.containsKey(attrName)) {
BaseRuntimeElementDefinition existing = datatypeAttributeNameToDefinition.get(attrName);
// We do allow built-in standard types to override extension types with the same element name,
// e.g. how EnumerationType extends CodeType but both serialize to "code". In this case,
// CodeType should win. If we aren't in a situation like that, there is a problem with the
// model so we should bail.
if (!existing.isStandardType()) {
throw new ConfigurationException(Msg.code(1734) + "More than one child of " + getElementName()
+ " matches attribute name " + attrName + ". Found ["
+ existing.getImplementingClass().getName() + "] and ["
+ next.getImplementingClass().getName() + "]");
}
}
datatypeAttributeNameToDefinition.put(attrName, next);
datatypeAttributeNameToDefinition.put(attrName.toLowerCase(), next);
myDatatypeToAttributeName.put(next.getImplementingClass(), attrName);
}
}
myAttributeNameToDefinition = datatypeAttributeNameToDefinition;
/*
* Resource reference - The correct name is 'valueReference' in DSTU2 and 'valueResource' in DSTU1
*/
addReferenceBinding(theContext, theClassToElementDefinitions, VALUE_RESOURCE);
addReferenceBinding(theContext, theClassToElementDefinitions, VALUE_REFERENCE);
}
public static String createExtensionChildName(BaseRuntimeElementDefinition next) {
return "value" + WordUtils.capitalize(next.getName());
}
}
