001package ca.uhn.fhir.rest.param;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2023 Smile CDR, Inc.
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 ca.uhn.fhir.context.FhirContext;
024import ca.uhn.fhir.model.api.IQueryParameterAnd;
025import ca.uhn.fhir.model.api.IQueryParameterOr;
026import ca.uhn.fhir.rest.api.QualifiedParamList;
027import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
028
029import java.util.ArrayList;
030import java.util.List;
031
032public abstract class BaseAndListParam<T extends IQueryParameterOr<?>> implements IQueryParameterAnd<T> {
033
034        private List<T> myValues = new ArrayList<>();
035
036        public abstract BaseAndListParam<T> addAnd(T theValue);
037
038        public BaseAndListParam<T> addValue(T theValue) {
039                myValues.add(theValue);
040                return this;
041        }
042
043        @Override
044        public List<T> getValuesAsQueryTokens() {
045                return myValues;
046        }
047
048        abstract T newInstance();
049
050        @Override
051        public void setValuesAsQueryTokens(FhirContext theContext, String theParamName, List<QualifiedParamList> theParameters) throws InvalidRequestException {
052                myValues.clear();
053                for (QualifiedParamList nextParam : theParameters) {
054                        T nextList = newInstance();
055                        nextList.setValuesAsQueryTokens(theContext, theParamName, nextParam);
056                        myValues.add(nextList);
057                }
058        }
059
060        @Override
061        public String toString() {
062                return myValues.toString();
063        }
064
065        /**
066         * Returns the number of AND parameters
067         */
068        public int size() {
069                return myValues.size();
070        }
071}