Spring自定义注解

package com.wkrj.module.test.annotation;

import com.wkrj.module.test.processor.MatchAnyProcessor;

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.*;


@Target({ElementType.ANNOTATION_TYPE, ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@documented
//指定注解的实现类
@Constraint(validatedBy = MatchAnyProcessor.class)
public @interface MatchAny {

    String message() default "Value must be match one of options";

    String[] contains() default {};

    Class[] groups() default {};

    Class[] payload() default {};
}

package com.wkrj.module.test.processor;

import com.wkrj.module.test.annotation.MatchAny;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.Arrays;


@Component
public class MatchAnyProcessor implements ConstraintValidator {

    private String[] contains = null;

    @Override
    public void initialize(MatchAny constraintAnnotation) {
        this.contains = constraintAnnotation.contains();
    }

    @Override
    public boolean isValid(String value, ConstraintValidatorContext constraintValidatorContext) {
        if (contains == null || contains.length <= 0) {
            return true;
        }

        if (value == null || value.isEmpty()) {
            return false;
        }

        if (Arrays.asList(contains).contains(value)) {
            return true;
        }

        return false;
    }
}

package com.wkrj.module.test;

import com.wkrj.core.component.jwt.IgnoreToken;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;


@RestController
@RequestMapping("/app/validatedTest")
public class ValidatedTest {

    @PostMapping("/location")
    @IgnoreToken
    public String location(@Validated TestDTO testDTO) {
        return "success";
    }

    @PostMapping("/customer")
    @IgnoreToken
    public String customer(@Validated TestDTO testDTO) {
        return "success";
    }
}

package com.wkrj.module.test;

import com.wkrj.ladder.common.core.dto.baseDTO;
import com.wkrj.module.test.annotation.MatchAny;
import lombok.Data;

import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;


@Data
public class TestDTO implements baseDTO {
    
    @NotNull(message = "ID不能为空")
    private Long id;

    
    @NotBlank(message = "名称不能为空")
    @Size(min = 1, max = 200, message = "名称1到200个字符")
    private String name;

    
    @NotBlank(message = "性别不能为空")
    @MatchAny(message = "性别为男或女", contains = {"男", "女"})
    private String gender;
}