19 lines
641 B
Java
19 lines
641 B
Java
package io.spring.application.article;
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import io.spring.application.ArticleQueryService;
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import io.spring.core.article.Article;
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import javax.validation.ConstraintValidator;
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import javax.validation.ConstraintValidatorContext;
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import org.springframework.beans.factory.annotation.Autowired;
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class DuplicatedArticleValidator
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implements ConstraintValidator<DuplicatedArticleConstraint, String> {
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@Autowired private ArticleQueryService articleQueryService;
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@Override
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public boolean isValid(String value, ConstraintValidatorContext context) {
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return !articleQueryService.findBySlug(Article.toSlug(value), null).isPresent();
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}
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}
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