javax.el
Class ImportHandler

java.lang.Object
  javax.el.ImportHandler

public class ImportHandler
extends java.lang.Object

Handles imports of class names and package names. An imported package name implicitly imports all the classes in the package. A class that has been imported can be used without its package name. The name is resolved to its full (package and class) name at evaluation time.

Constructor Summary

ImportHandler()

Method Summary

void	importClass(java.lang.String name) Import a class.
void	importPackage(java.lang.String packageName) Import all the classes in a package.
java.lang.Class<?>	resolve(java.lang.String name) Resolve a class name from its imports.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImportHandler

public ImportHandler()

Method Detail

importClass

public void importClass(java.lang.String name)
                 throws ELException

Import a class.

Parameters:

name - The full class name of the class to be imported

Throws:

ELException - if the name is not a full class name.

importPackage

public void importPackage(java.lang.String packageName)

Import all the classes in a package.

Parameters:

packageName - The package name to be imported

resolve

public java.lang.Class<?> resolve(java.lang.String name)

Resolve a class name from its imports.

Parameters:

name - The name of the class to be resolved. It is assumed that this is a name without a package.

Returns:

If the class has been imported previously, with importClass(java.lang.String) or importPackage(java.lang.String), then its Class instance. Otherwise null.