001package ca.uhn.fhir.rest.param.binder;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2021 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 java.util.Collections;
024import java.util.List;
025
026import ca.uhn.fhir.context.FhirContext;
027import ca.uhn.fhir.model.api.IQueryParameterOr;
028import ca.uhn.fhir.model.api.IQueryParameterType;
029import ca.uhn.fhir.rest.api.QualifiedParamList;
030import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
031import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
032
033public final class QueryParameterOrBinder extends BaseBinder<IQueryParameterOr<?>> implements IParamBinder<IQueryParameterOr<?>> {
034
035        public QueryParameterOrBinder(Class<? extends IQueryParameterOr<?>> theType, List<Class<? extends IQueryParameterType>> theCompositeTypes) {
036                super(theType, theCompositeTypes);
037        }
038
039        @SuppressWarnings("unchecked")
040        @Override
041        public List<IQueryParameterOr<?>> encode(FhirContext theContext, IQueryParameterOr<?> theValue) throws InternalErrorException {
042                IQueryParameterOr<?> retVal = (theValue);
043                List<?> retVal2 = Collections.singletonList((IQueryParameterOr<?>)retVal);
044                return (List<IQueryParameterOr<?>>) retVal2;
045        }
046
047        @Override
048        public IQueryParameterOr<?> parse(FhirContext theContext, String theParamName, List<QualifiedParamList> theString) throws InternalErrorException, InvalidRequestException {
049                IQueryParameterOr<?> dt;
050                try {
051                        dt = newInstance();
052                        if (theString.size() == 0 || theString.get(0).size() == 0) {
053                                return dt;
054                        }
055                        if (theString.size() > 1) {
056                                throw new InvalidRequestException("Multiple values detected for non-repeatable parameter '" + theParamName + "'. This server is not configured to allow multiple (AND/OR) values for this param.");
057                        }
058                        
059                        dt.setValuesAsQueryTokens(theContext, theParamName, theString.get(0));
060                } catch (SecurityException e) {
061                        throw new InternalErrorException(e);
062                }
063                return dt;
064        }
065}