Chapter 22. Bean Validation: Advanced Topics

This chapter describes how to create custom constraints, custom validator messages, and constraint groups using the Java API for JavaBeans Validation (Bean Validation).

The following topics are addressed here:

• “Creating Custom Constraints” on page 449

• “Customizing Validator Messages” on page 450

• “Grouping Constraints” on page 451

Creating Custom Constraints

Bean Validation defines annotations, interfaces, and classes to allow developers to create custom constraints.

Using the Built-In Constraints to Make a New Constraint

Bean Validation includes several built-in constraints that can be combined to create new, reusable constraints. This can simplify constraint definition by allowing developers ...

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