spring SmartValidator 源码
spring SmartValidator 代码
文件路径：/spring-context/src/main/java/org/springframework/validation/SmartValidator.java
/*
* Copyright 2002-2018 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.validation;
import org.springframework.lang.Nullable;
/**
* Extended variant of the {@link Validator} interface, adding support for
* validation 'hints'.
*
* @author Juergen Hoeller
* @author Sam Brannen
* @since 3.1
*/
public interface SmartValidator extends Validator {
/**
* Validate the supplied {@code target} object, which must be of a type of {@link Class}
* for which the {@link #supports(Class)} method typically returns {@code true}.
* <p>The supplied {@link Errors errors} instance can be used to report any
* resulting validation errors.
* <p><b>This variant of {@code validate()} supports validation hints, such as
* validation groups against a JSR-303 provider</b> (in which case, the provided hint
* objects need to be annotation arguments of type {@code Class}).
* <p>Note: Validation hints may get ignored by the actual target {@code Validator},
* in which case this method should behave just like its regular
* {@link #validate(Object, Errors)} sibling.
* @param target the object that is to be validated
* @param errors contextual state about the validation process
* @param validationHints one or more hint objects to be passed to the validation engine
* @see jakarta.validation.Validator#validate(Object, Class[])
*/
void validate(Object target, Errors errors, Object... validationHints);
/**
* Validate the supplied value for the specified field on the target type,
* reporting the same validation errors as if the value would be bound to
* the field on an instance of the target class.
* @param targetType the target type
* @param fieldName the name of the field
* @param value the candidate value
* @param errors contextual state about the validation process
* @param validationHints one or more hint objects to be passed to the validation engine
* @since 5.1
* @see jakarta.validation.Validator#validateValue(Class, String, Object, Class[])
*/
default void validateValue(
Class<?> targetType, String fieldName, @Nullable Object value, Errors errors, Object... validationHints) {
throw new IllegalArgumentException("Cannot validate individual value for " + targetType);
}
}
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