Hibernate Validator 5.4.3.Final - JSR 349 Reference Implementation Reference Guide Hardy Ferentschik, Gunnar Morling 2019-02-03 Table of Contents Preface . 1 1. Getting started. 3 1.1. Project set up . 3 1.2. Applying constraints. 6 1.3. Validating constraints. 7 1.4. Java 8 support . 9 1.5. Where to go next? . 9 2. Declaring and validating bean constraints . 11 2.1. Declaring bean constraints . 11 2.2. Validating bean constraints . 21 2.3. Built-in constraints . 25 3. Declaring and validating method constraints . 36 3.1. Declaring method constraints . 36 3.2. Validating method constraints. 45 3.3. Built-in method constraints . 51 4. Interpolating constraint error messages . 52 4.1. Default message interpolation . 52 4.2. Custom message interpolation . 57 5. Grouping constraints . 60 5.1. Requesting groups . 60 5.2. Group inheritance . 65 5.3. Defining group sequences . 66 5.4. Redefining the default group sequence . 67 5.5. Group conversion . 70 6. Creating custom constraints . 74 6.1. Creating a simple constraint . 74 6.2. Class-level constraints . 82 6.3. Cross-parameter constraints . 84 6.4. Constraint composition . 87 7. Configuring via XML . 90 7.1. Configuring the validator factory in validation.xml . 90 7.2. Mapping constraints via constraint-mappings . 93 8. Bootstrapping . 100 8.1. Retrieving ValidatorFactory and Validator . 100 8.2. Configuring a ValidatorFactory . 102 8.3. Configuring a Validator. 108 9. Using constraint metadata . 109 9.1. BeanDescriptor . 110 9.2. PropertyDescriptor . 113 9.3. MethodDescriptor and ConstructorDescriptor . 114 9.4. ElementDescriptor . 116 9.5. GroupConversionDescriptor . 119 9.6. ConstraintDescriptor . 119 10. Integrating with other frameworks . 121 10.1. ORM integration . 121 10.2. JSF & Seam. 123 10.3. CDI . 124 10.4. Java EE. 132 10.5. JavaFX . 132 11. Hibernate Validator Specifics . 133 11.1. Public API . 133 11.2. Fail fast mode . 135 11.3. Relaxation of requirements for method validation in class hierarchies . 136 11.4. Programmatic constraint definition and declaration . 137 11.5. Applying programmatic constraint declarations to the default validator factory . 141 11.6. Advanced constraint composition features . 141 11.7. Extensions of the Path API . 143 11.8. Dynamic payload as part of ConstraintViolation . 144 11.9. ParameterMessageInterpolator . ..