| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package freemarker.core; |
| |
| import java.lang.reflect.Method; |
| import java.lang.reflect.RecordComponent; |
| import java.util.IdentityHashMap; |
| import java.util.Set; |
| |
| /** |
| * Used internally only, might change without notice! |
| * Used for accessing functionality that's only present in Java 16 or later. |
| */ |
| // Compile this against Java 16 |
| @SuppressWarnings("Since15") // For IntelliJ inspection |
| public class _Java16Impl implements _Java16 { |
| |
| public static final _Java16 INSTANCE = new _Java16Impl(); |
| |
| private _Java16Impl() { |
| // Not meant to be instantiated |
| } |
| |
| @Override |
| public boolean isRecord(Class<?> cl) { |
| return cl.isRecord(); |
| } |
| |
| @Override |
| public Set<Method> getComponentAccessors(Class<?> recordType) { |
| RecordComponent[] recordComponents = recordType.getRecordComponents(); |
| if (recordComponents == null) { |
| throw new IllegalArgumentException("Argument must be a record type"); |
| } |
| IdentityHashMap<Method, Void> methods = new IdentityHashMap<>(recordComponents.length); |
| for (RecordComponent recordComponent : recordComponents) { |
| methods.put(recordComponent.getAccessor(), null); |
| } |
| return methods.keySet(); |
| } |
| } |