package ca.uhn.fhir.rest.server;
/*
* #%L
* HAPI FHIR Library
* %%
* Copyright (C) 2014 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.util.Collections;
import java.util.List;
import ca.uhn.fhir.model.api.IResource;
import ca.uhn.fhir.model.primitive.InstantDt;
/**
* Utility methods for working with {@link IBundleProvider}
*/
public class BundleProviders {
/** Non instantiable */
private BundleProviders() {
//nothing
}
/**
* Create a new unmodifiable empty resource list with the current time as the publish date.
*/
public static IBundleProvider newEmptyList() {
final InstantDt published = InstantDt.withCurrentTime();
return new IBundleProvider() {
@Override
public List<IResource> getResources(int theFromIndex, int theToIndex) {
return Collections.emptyList();
}
@Override
public int size() {
return 0;
}
@Override
public InstantDt getPublished() {
return published;
}
};
}
public static IBundleProvider newList(IResource theResource) {
return new SimpleBundleProvider(theResource);
}
public static IBundleProvider newList(List<IResource> theResources) {
return new SimpleBundleProvider(theResources);
}
}