https://github.com/coder-acjhp/springmvc-maven-customannotations

Custom annotation
https://github.com/coder-acjhp/springmvc-maven-customannotations

javax-annotation javax-validation maven spring-mvc web-app

Last synced: 27 days ago
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Custom annotation

• Host: GitHub
• URL: https://github.com/coder-acjhp/springmvc-maven-customannotations
• Owner: Coder-ACJHP
• Created: 2017-04-30T00:02:31.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-04-30T00:28:57.000Z (over 7 years ago)
• Last Synced: 2024-11-08T00:35:58.874Z (3 months ago)
• Topics: javax-annotation, javax-validation, maven, spring-mvc, web-app
• Language: Java
• Size: 14.6 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Javax.validation (Custom annotations)

In this project we gonna create own validation annotation(s) and for example 

we will use it in Spring MVC & Maven web application.

Check this two classes : 

1 : CourseCode

In this class we need to create 
 @Annotation class and give it some rules like : @Constraint("tell him from which class will gate rules"), 


@Target("tell to app where it can use it like {ElementType.METHOD//in method, ElementType.FIELD//in fields}"), @Retention("tell to app what the policy like: RetentionPolicy.RUNTIME")



        // define default course code

	public String value() default "CoderACJHP";

	

	// define default error code

	public String message() default "must start with CoderACJHP";

	

	// define default grups

	public Class>[] groups() default {};

	

	// define default peyloads

	public Class extends Payload>[] payload() default {};

  






2: CourseCodeConstraintValidator



In this class we need to create validation logic it's very basic, just at first make the 

class implements ConstraintValidator interface and implemet all methods and override them as you want.









That's it enjoy!


Thank you for reading this.