Chapter 6. Expression Language
This chapter introduces the Expression Language (also referred to as the EL), which provides an important mechanism for enabling the presentation layer (web pages) to communicate with the application logic (backing beans). The EL is used by both JavaServer Faces technology and JavaServer Pages (JSP) technology. The EL represents a union of the expression languages offered by JavaServer Faces technology and JSP technology.
The following topics are addressed here:
• “Overview of the EL” on page 99
• “Immediate and Deferred Evaluation Syntax” on page 100
• “Value and Method Expressions” on page 102
• “Defining a Tag Attribute Type” on page 108
• “Literal Expressions” on page 109
• “Reserved ...
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