Custom Annotation Validation using JPA Spring Boot example
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This video will show how to validate annotations in your JPA entity using Spring Boot with the help of the JPA annotation @Validated annotation.
Bean Validation is the de-facto standard for implementing validation logic in the Java ecosystem. It’s well integrated with Spring and Spring Boot.
Some of the most common validation annotations are:
🌍 @NotNull: to say that a field must not be null.
🌍 @NotEmpty: to say that a list field must not empty.
🌍 @NotBlank: to say that a string field must not be the empty string (i.e. it must have at least one character).
🌍 @Min and @Max: to say that a numerical field is only valid when it’s value is above or below a certain value.
🌍 @Pattern: to say that a string field is only valid when it matches a certain regular expression.
🌍 @Email: to say that a string field must be a valid email address.
In this video, we are going to discuss about to create custom annotation validation (@ValidUser) with Spring Boot Data JPA.
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