org.noear.solon.validation.Validator Maven / Gradle / Ivy
/*
* Copyright 2017-2024 noear.org and 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.noear.solon.validation;
import org.noear.solon.core.handle.Context;
import org.noear.solon.core.handle.Result;
import java.lang.annotation.Annotation;
/**
* 验证器（对验证注解的支持）
*
* @author noear
* @since 1.0
* */
@FunctionalInterface
public interface Validator {
default String message(T anno) {
return "";
}
/**
* 校验分组
* */
default Class[] groups(T anno){return null;}
/**
* 验证值
*
* @param anno 验证注解
* @param val 值
* @param tmp 临时字符构建器（用于构建 message；起到复用之效）
* @return 验证结果
*/
default Result validateOfValue(T anno, Object val, StringBuilder tmp) {
return Result.failure();
}
/**
* 验证上下文
*
* @param ctx 上下文
* @param anno 验证注解
* @param name 参数名（可能没有）
* @param tmp 临时字符构建器（用于构建 message；起到复用之效）
* @return 验证结果
*/
Result validateOfContext(Context ctx, T anno, String name, StringBuilder tmp);
}