{"id":49888,"date":"2024-08-03T13:05:31","date_gmt":"2024-08-03T04:05:31","guid":{"rendered":"https:\/\/8gfg.shop\/blog\/development\/take-advantage-of-advanced-data-validation-and-bean-validation-in-spring-boot"},"modified":"2024-08-03T13:44:48","modified_gmt":"2024-08-03T04:44:48","slug":"take-advantage-of-advanced-data-validation-and-bean-validation-in-spring-boot","status":"publish","type":"post","link":"https:\/\/8gfg.shop\/blog\/development\/take-advantage-of-advanced-data-validation-and-bean-validation-in-spring-boot","title":{"rendered":"Spring Boot\uc5d0\uc11c\uc758 \uace0\uae09 \ub370\uc774\ud130 \uac80\uc99d \ubc0f Bean Validation \ud65c\uc6a9"},"content":{"rendered":"

Spring Boot\uc5d0\uc11c\uc758 \uace0\uae09 \ub370\uc774\ud130 \uac80\uc99d \ubc0f Bean Validation \ud65c\uc6a9<\/h1>\n
Spring Boot\ub294 Java \uae30\ubc18\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 \uac04\uc18c\ud654\ud558\ub294 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ub370\uc774\ud130 \uac80\uc99d \ubc0f \uc720\ud6a8\uc131 \uac80\uc0ac\uc5d0 \ub300\ud55c \uac15\ub825\ud55c \uc9c0\uc6d0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Spring Boot\uc5d0\uc11c \uace0\uae09 \ub370\uc774\ud130 \uac80\uc99d\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uacfc Bean Validation\uc744 \ud65c\uc6a9\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uac1c\ubc1c\uc790\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\uace0, \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

1. \ub370\uc774\ud130 \uac80\uc99d\uc758 \uc911\uc694\uc131<\/h2>\n

\ub370\uc774\ud130 \uac80\uc99d\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc2e0\ub8b0\uc131\uacfc \uc548\uc815\uc131\uc744 \ub192\uc774\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc798\ubabb\ub41c \ub370\uc774\ud130\uac00 \uc2dc\uc2a4\ud15c\uc5d0 \uc785\ub825\ub418\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

\ubcf4\uc548 \ucde8\uc57d\uc810<\/strong>: \uc545\uc758\uc801\uc778 \uc0ac\uc6a9\uc790\uac00 \uc2dc\uc2a4\ud15c\uc5d0 \uc798\ubabb\ub41c \ub370\uc774\ud130\ub97c \uc785\ub825\ud558\uc5ec \ubcf4\uc548 \ucde8\uc57d\uc810\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
\ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1 \uc624\ub958<\/strong>: \uc798\ubabb\ub41c \ub370\uc774\ud130\ub294 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc758 \uc624\ub958\ub97c \ucd08\ub798\ud558\uc5ec \uc608\uae30\uce58 \uc54a\uc740 \uacb0\uacfc\ub97c \ub0b3\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n

\uc0ac\uc6a9\uc790 \uacbd\ud5d8 \uc800\ud558<\/strong>: \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc798\ubabb\ub41c \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uba74 \uc2e0\ub8b0\ub97c \uc783\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n
\ub530\ub77c\uc11c, \ub370\uc774\ud130 \uac80\uc99d\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc804\ubc18\uc801\uc778 \ud488\uc9c8\uc744 \ub192\uc774\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n
2. Bean Validation \uc18c\uac1c<\/h2>\n
Bean Validation\uc740 Java EE\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ud45c\uc900\uc73c\ub85c, \uac1d\uccb4\uc758 \uc18d\uc131\uc5d0 \ub300\ud55c \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \uc218\ud589\ud558\ub294 API\uc785\ub2c8\ub2e4. Spring Boot\uc5d0\uc11c\ub294 Hibernate Validator\ub97c \uae30\ubcf8 \uad6c\ud604\uccb4\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. Bean Validation\uc744 \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc810\uc744 \ub204\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\n
\uc5b4\ub178\ud14c\uc774\uc158 \uae30\ubc18 \uac80\uc99d<\/strong>: \uac04\ub2e8\ud55c \uc5b4\ub178\ud14c\uc774\uc158\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac80\uc99d \uaddc\uce59\uc744 \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
\uc720\uc5f0\ud55c \ucee4\uc2a4\ud130\ub9c8\uc774\uc9d5<\/strong>: \ud544\uc694\uc5d0 \ub530\ub77c \ucee4\uc2a4\ud140 \uac80\uc99d \ub85c\uc9c1\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
\ud1b5\ud569\ub41c \uc5d0\ub7ec \uba54\uc2dc\uc9c0 \ucc98\ub9ac<\/strong>: \uac80\uc99d \uc2e4\ud328 \uc2dc \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc801\uc808\ud55c \uc5d0\ub7ec \uba54\uc2dc\uc9c0\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n
\ucf54\ub4dc \uc608\uc81c<\/h3>\n
\ub2e4\uc74c\uc740 Bean Validation\uc744 \uc0ac\uc6a9\ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n
import javax.validation.constraints.NotBlank;\nimport javax.validation.constraints.Size;\n\npublic class User {\n\n @NotBlank(message = \"\uc774\ub984\uc740 \ud544\uc218\uc785\ub2c8\ub2e4.\")\n private String name;\n\n @Size(min = 8, message = \"\ube44\ubc00\ubc88\ud638\ub294 \ucd5c\uc18c 8\uc790 \uc774\uc0c1\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.\")\n private String password;\n\n \/\/ getters and setters\n}<\/code><\/pre>\n\uc704\uc758 \uc608\uc81c\uc5d0\uc11c @NotBlank<\/code>\uc640 @Size<\/code> \uc5b4\ub178\ud14c\uc774\uc158\uc744 \uc0ac\uc6a9\ud558\uc5ec User<\/code> \ud074\ub798\uc2a4\uc758 \uc18d\uc131\uc744 \uac80\uc99d\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n 3. Spring Boot\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uac80\uc99d \uc124\uc815<\/h2>\nSpring Boot\uc5d0\uc11c Bean Validation\uc744 \uc124\uc815\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c Spring Boot\ub294 Hibernate Validator\ub97c \ud3ec\ud568\ud558\uace0 \uc788\uc73c\uba70, \ucd94\uac00\uc801\uc778 \uc124\uc815 \uc5c6\uc774\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uc124\uc815\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc124\uc815 \ubc29\ubc95<\/h3>\n\n\n\uc758\uc874\uc131 \ucd94\uac00<\/strong>: Maven \ub610\ub294 Gradle\uc744 \uc0ac\uc6a9\ud558\uc5ec Hibernate Validator \uc758\uc874\uc131\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n \n org.hibernate.validator\n hibernate-validator\n 6.2.0.Final\n<\/code><\/pre>\n<\/li>\n\n\uac80\uc99d \uadf8\ub8f9 \uc124\uc815<\/strong>: \ud2b9\uc815 \uc0c1\ud669\uc5d0 \ub530\ub77c \uac80\uc99d \uadf8\ub8f9\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud68c\uc6d0\uac00\uc785\uacfc \ub85c\uadf8\uc778 \uc2dc \uc11c\ub85c \ub2e4\ub978 \uac80\uc99d \uaddc\uce59\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n \nGlobal Exception Handling<\/strong>: \uac80\uc99d \uc2e4\ud328 \uc2dc \ubc1c\uc0dd\ud558\ub294 \uc608\uc678\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uae00\ub85c\ubc8c \uc608\uc678 \ucc98\ub9ac\uae30\ub97c \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n import org.springframework.http.HttpStatus;\nimport org.springframework.web.bind.annotation.ControllerAdvice;\nimport org.springframework.web.bind.annotation.ExceptionHandler;\nimport org.springframework.web.bind.annotation.ResponseStatus;\n\n@ControllerAdvice\npublic class GlobalExceptionHandler {\n\n @ExceptionHandler(MethodArgumentNotValidException.class)\n @ResponseStatus(HttpStatus.BAD_REQUEST)\n public ResponseEntity handleValidationExceptions(MethodArgumentNotValidException ex) {\n return new ResponseEntity(ex.getBindingResult().getAllErrors().get(0).getDefaultMessage(), HttpStatus.BAD_REQUEST);\n }\n}<\/code><\/pre>\n4. \ucee4\uc2a4\ud140 \uac80\uc99d \ub85c\uc9c1 \uad6c\ud604<\/h2>\nBean Validation\uc758 \uac15\ub825\ud55c \uae30\ub2a5 \uc911 \ud558\ub098\ub294 \ucee4\uc2a4\ud140 \uac80\uc99d \ub85c\uc9c1\uc744 \uad6c\ud604\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4. \ud2b9\uc815 \ube44\uc988\ub2c8\uc2a4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 \uac80\uc99d \uaddc\uce59\uc774 \ud544\uc694\ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n \ucee4\uc2a4\ud140 \uc5b4\ub178\ud14c\uc774\uc158 \uc0dd\uc131<\/h3>\n\n\uc5b4\ub178\ud14c\uc774\uc158 \uc815\uc758<\/strong>:<\/li>\n<\/ol>\nimport javax.validation.Constraint;\nimport javax.validation.Payload;\nimport java.lang.annotation.ElementType;\nimport java.lang.annotation.Retention;\nimport java.lang.annotation.RetentionPolicy;\nimport java.lang.annotation.Target;\n\n@Constraint(validatedBy = CustomValidator.class)\n@Target({ ElementType.METHOD, ElementType.FIELD, ElementType.ANNOTATION_TYPE })\n@Retention(RetentionPolicy.RUNTIME)\npublic @interface ValidCustom {\n String message() default \"\uc720\ud6a8\ud558\uc9c0 \uc54a\uc740 \uac12\uc785\ub2c8\ub2e4.\";\n Class[] groups() default {};\n Class[] payload() default {};\n}<\/code><\/pre>\n\n\uac80\uc99d \ub85c\uc9c1 \uad6c\ud604<\/strong>:<\/li>\n<\/ol>\nimport javax.validation.ConstraintValidator;\nimport javax.validation.ConstraintValidatorContext;\n\npublic class CustomValidator implements ConstraintValidator {\n\n @Override\n public boolean isValid(String value, ConstraintValidatorContext context) {\n \/\/ \ucee4\uc2a4\ud140 \uac80\uc99d \ub85c\uc9c1\n return value != null && value.matches(\"^[a-zA-Z0-9]*$\");\n }\n}<\/code><\/pre>\n\uc774\uc81c @ValidCustom<\/code> \uc5b4\ub178\ud14c\uc774\uc158\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \ud544\ub4dc\uc5d0 \ub300\ud55c \ucee4\uc2a4\ud140 \uac80\uc99d\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n 5. \uacb0\ub860 \ubc0f \uc694\uc57d<\/h2>\nSpring Boot\uc5d0\uc11c \uace0\uae09 \ub370\uc774\ud130 \uac80\uc99d \ubc0f Bean Validation\uc744 \ud65c\uc6a9\ud558\ub294 \uac83\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ud488\uc9c8\uacfc \uc2e0\ub8b0\uc131\uc744 \ub192\uc774\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \uac80\uc99d\uc740 \ubcf4\uc548, \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1, \uc0ac\uc6a9\uc790 \uacbd\ud5d8 \ub4f1 \uc5ec\ub7ec \uce21\uba74\uc5d0\uc11c \uae0d\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. Bean Validation\uc740 \uac04\ub2e8\ud55c \uc5b4\ub178\ud14c\uc774\uc158 \uae30\ubc18\uc758 \uc811\uadfc \ubc29\uc2dd\uc744 \uc81c\uacf5\ud558\uba70, \ud544\uc694\uc5d0 \ub530\ub77c \ucee4\uc2a4\ud140 \uac80\uc99d \ub85c\uc9c1\uc744 \uad6c\ud604\ud560 \uc218 \uc788\ub294 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n \uc774 \uae00\uc5d0\uc11c \ub2e4\ub8ec \ub0b4\uc6a9\uc744 \uc694\uc57d\ud558\uc790\uba74:<\/p>\n \n\ub370\uc774\ud130 \uac80\uc99d\uc758 \uc911\uc694\uc131\uacfc \uadf8\ub85c \uc778\ud55c \uc774\uc810<\/li>\n Bean Validation\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \uc124\uc815 \ubc29\ubc95<\/li>\n \ucee4\uc2a4\ud140 \uac80\uc99d \ub85c\uc9c1 \uad6c\ud604 \ubc29\ubc95<\/li>\n<\/ul>\n\uc774\ub7ec\ud55c \uc9c0\uc2dd\uc744 \ubc14\ud0d5\uc73c\ub85c Spring Boot \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub370\uc774\ud130 \uac80\uc99d\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uad6c\ud604\ud558\uc5ec \ub354 \ub098\uc740 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uacfc \uc2dc\uc2a4\ud15c \uc548\uc815\uc131\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":" Spring Boot\uc5d0\uc11c\uc758 \uace0\uae09 \ub370\uc774\ud130 \uac80\uc99d \ubc0f Bean Validation \ud65c\uc6a9 Spring Boot\ub294 Java \uae30\ubc18\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 […]<\/p>\n","protected":false},"author":1,"featured_media":33704,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2119,584,2105],"class_list":["post-49888","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-api","tag-global","tag-java"],"acf":[],"_links":{"self":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts\/49888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/comments?post=49888"}],"version-history":[{"count":1,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts\/49888\/revisions"}],"predecessor-version":[{"id":49907,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts\/49888\/revisions\/49907"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/media\/33704"}],"wp:attachment":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/media?parent=49888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/categories?post=49888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/tags?post=49888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}