| /* |
| * 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 org.apache.bval.jsr.metadata; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Type; |
| import java.util.Optional; |
| |
| import javax.validation.ConstraintDefinitionException; |
| import javax.validation.ConstraintValidator; |
| |
| import org.apache.bval.util.Exceptions; |
| import org.apache.bval.util.reflection.TypeUtils; |
| |
| public abstract class ValidatorMappingProvider { |
| |
| public final <A extends Annotation> ValidatorMapping<A> getValidatorMapping(Class<A> constraintType) { |
| final Optional<ValidatorMapping<A>> result = |
| Optional.ofNullable(this.<A> doGetValidatorMapping(constraintType)); |
| if (result.isPresent()) { |
| for (Class<? extends ConstraintValidator<A, ?>> t : result.get().getValidatorTypes()) { |
| final Type constraintParameter = TypeUtils.getTypeArguments(t, ConstraintValidator.class) |
| .get(ConstraintValidator.class.getTypeParameters()[0]); |
| |
| if (!TypeUtils.isAssignable(constraintType, constraintParameter)) { |
| Exceptions.raise(ConstraintDefinitionException::new, |
| "%s %s expected first type parameter assignable from %s, %s; source %s", ConstraintValidator.class, t, |
| constraintType, constraintParameter, result.get().getSource()); |
| } |
| } |
| return result.get(); |
| } |
| return null; |
| } |
| |
| protected abstract <A extends Annotation> ValidatorMapping<A> doGetValidatorMapping(Class<A> constraintType); |
| } |