io.syndesis.connector.fhir.FhirMetaDataExtension Maven / Gradle / Ivy
/*
* Copyright (C) 2016 Red Hat, 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.
*/
package io.syndesis.connector.fhir;
import ca.uhn.fhir.context.FhirVersionEnum;
import org.apache.camel.CamelContext;
import org.apache.camel.component.extension.metadata.AbstractMetaDataExtension;
import org.apache.camel.component.extension.metadata.MetaDataBuilder;
import java.util.HashSet;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
public class FhirMetaDataExtension extends AbstractMetaDataExtension {
FhirMetaDataExtension(CamelContext context) {
super(context);
}
@SuppressWarnings("unchecked")
@Override
public Optional meta(Map parameters) {
String fhirVersion = (String) parameters.get("fhirVersion");
FhirVersionEnum fhirVersionEnum = fhirVersion == null ? FhirVersionEnum.DSTU3 : FhirVersionEnum.valueOf(fhirVersion);
Set resources = getResources(fhirVersionEnum);
return Optional
.of(MetaDataBuilder.on(getCamelContext()).withAttribute(MetaData.CONTENT_TYPE, "text/plain")
.withAttribute(MetaData.JAVA_TYPE, String.class).withPayload(resources).build());
}
public static Set getResources(FhirVersionEnum fhirVersion) {
if (FhirVersionEnum.DSTU3.equals(fhirVersion)) {
return toSet(org.hl7.fhir.dstu3.model.ResourceType.values());
} else {
throw new IllegalArgumentException(fhirVersion + " is not among supported FHIR versions: DSTU3");
}
}
@SuppressWarnings({"PMD.UseVarargs"})
private static Set toSet(Object[] values) {
Set result = new HashSet<>();
for (Object value: values) {
result.add(String.valueOf(value));
}
return result;
}
}
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