001package ca.uhn.fhir.rest.server;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2016 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.util.Collections;
024import java.util.List;
025
026import org.hl7.fhir.instance.model.api.IBaseResource;
027
028import ca.uhn.fhir.model.primitive.InstantDt;
029
030public class SimpleBundleProvider implements IBundleProvider {
031
032        private List<IBaseResource> myList;
033        
034        public SimpleBundleProvider(List<IBaseResource> theList) {
035                myList = theList;
036        }
037
038        public SimpleBundleProvider(IBaseResource theResource) {
039                myList = Collections.singletonList(theResource);
040        }
041
042        /**
043         * Create an empty bundle
044         */
045        public SimpleBundleProvider() {
046                myList = Collections.emptyList();
047        }
048
049        @Override
050        public List<IBaseResource> getResources(int theFromIndex, int theToIndex) {
051                return myList.subList(theFromIndex, Math.min(theToIndex, myList.size()));
052        }
053
054        @Override
055        public int size() {
056                return myList.size();
057        }
058
059        @Override
060        public InstantDt getPublished() {
061                return InstantDt.withCurrentTime();
062        }
063
064        @Override
065        public Integer preferredPageSize() {
066                return null;
067        }
068        
069}