org.apache.struts.chain.commands.util
Class ClassUtils

java.lang.Object
  org.apache.struts.chain.commands.util.ClassUtils

public final class ClassUtils
extends Object

Utility methods to load application classes and create instances.

Version:

$Rev: 471754 $ $Date: 2005-11-12 13:01:44 -0500 (Sat, 12 Nov 2005) $

Constructor Summary

ClassUtils()

Method Summary

static Class	getApplicationClass(String className) Return the Class object for the specified fully qualified class name, from this web application's class loader.
static Object	getApplicationInstance(String className) Return a new instance of the specified fully qualified class name, after loading the class (if necessary) from this web application's class loader.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassUtils

public ClassUtils()

Method Detail

getApplicationClass

public static Class getApplicationClass(String className)
                                 throws ClassNotFoundException

Return the Class object for the specified fully qualified class name, from this web application's class loader.

Parameters:

className - Fully qualified class name

Throws:

ClassNotFoundException - if the specified class cannot be loaded

getApplicationInstance

public static Object getApplicationInstance(String className)
                                     throws ClassNotFoundException,
                                            IllegalAccessException,
                                            InstantiationException

Return a new instance of the specified fully qualified class name, after loading the class (if necessary) from this web application's class loader.

Parameters:

className - Fully qualified class name

Throws:

ClassNotFoundException - if the specified class cannot be loaded

IllegalAccessException - if this class is not concrete

InstantiationException - if this class has no zero-arguments constructor