Core JavaServer™ Faces

Chapter 7. Conversion and Validation

Topics in This Chapter

• “Overview of the Conversion and Validation Process” on page 247

• “Using Standard Converters” on page 249

• “Using Standard Validators” on page 262

• “Bean Validation” on page 270

• “Programming with Custom Converters and Validators” on page 275

• “Implementing Custom Converter and Validator Tags” on page 297

In this chapter, we discuss how form data is converted to Java objects and how the conversion results are checked for correctness. The JSF container carries out these steps before updating the model, so you can rest assured that invalid inputs will never end up in the business logic.

We first look at the concepts behind the conversion and validation process. Then we discuss ...