001package ca.uhn.fhir.model.primitive;
002
003import java.io.IOException;
004import java.io.ObjectInput;
005import java.io.ObjectOutput;
006
007/*
008 * #%L
009 * HAPI FHIR - Core Library
010 * %%
011 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
012 * %%
013 * Licensed under the Apache License, Version 2.0 (the "License");
014 * you may not use this file except in compliance with the License.
015 * You may obtain a copy of the License at
016 *
017 *      http://www.apache.org/licenses/LICENSE-2.0
018 *
019 * Unless required by applicable law or agreed to in writing, software
020 * distributed under the License is distributed on an "AS IS" BASIS,
021 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
022 * See the License for the specific language governing permissions and
023 * limitations under the License.
024 * #L%
025 */
026
027import org.apache.commons.lang3.Validate;
028
029import ca.uhn.fhir.model.api.IValueSetEnumBinder;
030import ca.uhn.fhir.model.api.annotation.DatatypeDef;
031
032@DatatypeDef(name = "code", isSpecialization = true)
033public class BoundCodeDt<T extends Enum<?>> extends CodeDt {
034
035        private IValueSetEnumBinder<T> myBinder;
036
037        /**
038         * @deprecated This constructor is provided only for serialization support. Do not call it directly!
039         */
040        @Deprecated
041        public BoundCodeDt() {
042                // nothing
043        }
044
045        public BoundCodeDt(IValueSetEnumBinder<T> theBinder) {
046                Validate.notNull(theBinder, "theBinder must not be null");
047                myBinder = theBinder;
048        }
049
050        public BoundCodeDt(IValueSetEnumBinder<T> theBinder, T theValue) {
051                Validate.notNull(theBinder, "theBinder must not be null");
052                myBinder = theBinder;
053                setValueAsEnum(theValue);
054        }
055
056        public IValueSetEnumBinder<T> getBinder() {
057                return myBinder;
058        }
059        
060        public T getValueAsEnum() {
061                Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeDt() should not be called!");
062                T retVal = myBinder.fromCodeString(getValue());
063                if (retVal == null) {
064                        // TODO: throw special exception type?
065                }
066                return retVal;
067        }
068
069        @SuppressWarnings("unchecked")
070        @Override
071        public void readExternal(ObjectInput theIn) throws IOException, ClassNotFoundException {
072                super.readExternal(theIn);
073                myBinder = (IValueSetEnumBinder<T>) theIn.readObject();
074        }
075
076        public void setValueAsEnum(T theValue) {
077                Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeDt() should not be called!");
078                if (theValue==null) {
079                        setValue(null);
080                } else {
081                        setValue(myBinder.toCodeString(theValue));
082                }
083        }
084
085        @Override
086        public void writeExternal(ObjectOutput theOut) throws IOException {
087                super.writeExternal(theOut);
088                theOut.writeObject(myBinder);
089        }
090}