Spring MVC Form Validation - manish326/spring-mvc-demo GitHub Wiki

Spring and Validation

• Spring version 4 and higher support Bean Validation API.
• Simply add validaton jars to out project.

• @NotNull
• @Min
• @Max
• @Size
• @Pattern
• @Future/@Past

• Java standard Bean Validation API
• Only a specification, vendor independent...Portable
• But we still need a implementation

• Fully compliant JSR implementation
• Not tied to ORM or database work. Its a seperate project.
• www.hibernate.org/validator
• Hibernate Validator 6.x is the reference implementation Bean Validation 2.0

Add the validation Jars:

Add the below dependency into POM.xml

org.hibernate.validator

hibernate-validator-osgi

6.0.16.Final

pom

• Add validation rules to customer class
• display error mesages on HTML form
• perform validation in the controller class
• update confirmation page.

• @InitBinder Annotation works as pre-processor.
• It will pre-process each request to our cntroller.
• Method annotated with @InitBinder is executed.

-We will use this to trim string.

• Create custom error message
• src/resources/message.properties

Load custom messages resource in Spring config file.

/WEB-INF/spring-mvc-demo-servlet.xml