JavaBean Validation API
The JavaBean Validation API is a Java standard for declaring and evaluating constraints on object properties, data, and executable parameters.
Java Persistence with Spring Data and Hibernate epub
Bean Validation is a Java specification for declaring and evaluating constraints on object properties and method parameters.
- How it is used
- Centralizes domain integrity rules so presentation, business, persistence, and database-facing code can validate consistent data.
- How deep it goes
- Defines declarative constraints and demonstrates programmatic violation inspection, while deferring exhaustive constraint catalogs and implementation internals.
- Examples
- Uses Item, User, and Log entities with NotNull and Size constraints, plus a future auction-end date and Validator test.
- What you can do after
- Apply it via validation annotations and Validator APIs to detect invalid domain objects before persistence.
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Spring in Action, Sixth Edition
The Java standard for declaring and evaluating constraints on Java object properties and method parameters, originally specified as JSR 303.
- How it is used
- Supports declarative validation of Spring MVC form data through constraints on domain objects and controller-triggered checks.
- How deep it goes
- Explains dependency setup, property annotations, controller integration, messages, and view errors, but defers regular-expression details.
- Examples
- Uses Taco and TacoOrder fields, delivery addresses, credit-card checks, expiration patterns, CVV digits, and ingredient counts.
- What you can do after
- Apply it via Spring MVC to declare constraints, trigger validation, and show submitted-form errors.
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Related concepts
- Spring MVCused by · Spring MVC is Spring’s servlet-based web framework for handling HTTP requests and responses through model-view-controller components.
- JPA implementationused by · A JPA implementation is software that implements the Java Persistence API for mapping objects to relational data and performing persistence operations.
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