org.zkoss.xel
Interface FunctionMapper

All Known Implementing Classes:

DualFunctionMapper, SimpleMapper, TaglibMapper

public interface FunctionMapper

Used to customize the way to map between the XEL function names and the Function methods.

Since:

3.0.0

Author:

tomyeh

Method Summary

Collection	getClassNames() Returns a readonly collection of the logic names of the class (never null).
Class	resolveClass(String name) Resolves a class with the specified logic name, or null if not found.
Function	resolveFunction(String prefix, String name) Resolves a function Function with the specified name and prefix.

Method Detail

resolveFunction

Function resolveFunction(String prefix,
                         String name)
                         throws XelException

Resolves a function Function with the specified name and prefix.

Note: not all EL evaluator support resolveFunction(java.lang.String, java.lang.String). Currently only JSP 2.0/2.1 EL-based expression factories support this method. You can check ExpressionFactory.isSupported(int) for this support.

Parameters:

prefix - the prefix of the function, or "" if no prefix

name - the name of the function to resolve

Throws:

XelException

getClassNames

Collection getClassNames()

Returns a readonly collection of the logic names of the class (never null). Note: it is the name to resolve class, not the real class name. In other words, it is the logical name maintained by this function mapper.

resolveClass

Class resolveClass(String name)
                   throws XelException

Resolves a class with the specified logic name, or null if not found.

Note: not all EL evaluator support resolveClass(java.lang.String). JSP 2.0/2.1 EL-based expression factories don't support this method. You can check ExpressionFactory.isSupported(int) for this support.

Returns:

the class of the specified logic name.

Throws:

XelException