package ca.uhn.fhir.osgi;
/*
* #%L
* HAPI FHIR - OSGi Bundle
* %%
* Copyright (C) 2014 - 2017 University Health Network
* %%
* 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%
*/
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.rest.server.RestfulServer;
/**
*
* @author Akana, Inc. Professional Services
*
*/
public class FhirServerImpl extends RestfulServer implements FhirServer {
private static Logger log = LoggerFactory.getLogger(FhirServerImpl.class);
private Collection<Object> serverProviders = Collections.synchronizedCollection(new ArrayList<Object>());
public FhirServerImpl() {
super();
}
public FhirServerImpl(FhirContext theCtx) {
super(theCtx);
}
/**
* Dynamically registers a single provider with the RestfulServer
*
* @param provider the provider to be registered
* @throws FhirConfigurationException
*/
@Override
public void registerOsgiProvider (Object provider) throws FhirConfigurationException {
if (null == provider) {
throw new NullPointerException("FHIR Provider cannot be null");
}
try {
super.registerProvider(provider);
log.trace("registered provider. class ["+provider.getClass().getName()+"]");
this.serverProviders.add(provider);
} catch (Exception e) {
log.error("Error registering FHIR Provider", e);
throw new FhirConfigurationException("Error registering FHIR Provider", e);
}
}
/**
* Dynamically unregisters a single provider with the RestfulServer
*
* @param provider the provider to be unregistered
* @throws FhirConfigurationException
*/
@Override
public void unregisterOsgiProvider (Object provider) throws FhirConfigurationException {
if (null == provider) {
throw new NullPointerException("FHIR Provider cannot be null");
}
try {
this.serverProviders.remove(provider);
log.trace("unregistered provider. class ["+provider.getClass().getName()+"]");
super.unregisterProvider(provider);
} catch (Exception e) {
log.error("Error unregistering FHIR Provider", e);
throw new FhirConfigurationException("Error unregistering FHIR Provider", e);
}
}
/**
* Dynamically registers a list of providers with the RestfulServer
*
* @param provider the providers to be registered
* @throws FhirConfigurationException
*/
@Override
public void registerOsgiProviders (Collection<Object> providers) throws FhirConfigurationException {
if (null == providers) {
throw new NullPointerException("FHIR Provider list cannot be null");
}
try {
super.registerProviders(providers);
for (Object provider : providers) {
log.trace("registered provider. class ["+provider.getClass().getName()+"]");
this.serverProviders.add(provider);
}
} catch (Exception e) {
log.error("Error registering FHIR Providers", e);
throw new FhirConfigurationException("Error registering FHIR Providers", e);
}
}
/**
* Dynamically unregisters a list of providers with the RestfulServer
*
* @param provider the providers to be unregistered
* @throws FhirConfigurationException
*/
@Override
public void unregisterOsgiProviders (Collection<Object> providers) throws FhirConfigurationException {
if (null == providers) {
throw new NullPointerException("FHIR Provider list cannot be null");
}
try {
for (Object provider : providers) {
log.trace("unregistered provider. class ["+provider.getClass().getName()+"]");
this.serverProviders.remove(provider);
}
super.unregisterProvider(providers);
} catch (Exception e) {
log.error("Error unregistering FHIR Providers", e);
throw new FhirConfigurationException("Error unregistering FHIR Providers", e);
}
}
/**
* Dynamically unregisters all of providers currently registered
*
* @throws FhirConfigurationException
*/
@Override
public void unregisterOsgiProviders () throws FhirConfigurationException {
// need to make a copy to be able to remove items
Collection<Object> providers = new ArrayList<Object>();
providers.addAll(this.serverProviders);
this.unregisterOsgiProviders(providers);
}
}