package com.iailab.framework.common.validation;
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import com.iailab.framework.common.core.ArrayValuable;
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import javax.validation.ConstraintValidator;
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import javax.validation.ConstraintValidatorContext;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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public class InEnumValidator implements ConstraintValidator<InEnum, Object> {
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private List<?> values;
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@Override
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public void initialize(InEnum annotation) {
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ArrayValuable<?>[] values = annotation.value().getEnumConstants();
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if (values.length == 0) {
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this.values = Collections.emptyList();
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} else {
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this.values = Arrays.asList(values[0].array());
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}
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}
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@Override
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public boolean isValid(Object value, ConstraintValidatorContext context) {
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// 为空时,默认不校验,即认为通过
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if (value == null) {
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return true;
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}
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// 校验通过
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if (values.contains(value)) {
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return true;
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}
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// 校验不通过,自定义提示语句
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context.disableDefaultConstraintViolation(); // 禁用默认的 message 的值
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context.buildConstraintViolationWithTemplate(context.getDefaultConstraintMessageTemplate()
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.replaceAll("\\{value}", values.toString())).addConstraintViolation(); // 重新添加错误提示语句
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return false;
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}
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}
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