org.apache.cactus.util
Class ClassLoaderUtils

java.lang.Object
  org.apache.cactus.util.ClassLoaderUtils

public class ClassLoaderUtils

extends java.lang.Object

Utiliy methods related to class loading in a webapp environment.

Version:

$Id: ClassLoaderUtils.java,v 1.7 2003/05/26 11:45:22 cmlenz Exp $

Author:

Vincent Massol

Constructor Summary

ClassLoaderUtils()

Method Summary

static java.lang.Class	loadClass(java.lang.String theClassName, java.lang.Class theReferrer) Try loading a class first by using the context class loader or by using the classloader of the referrer class if the context classloader failed to load the class.
static java.lang.Class	loadClassFromContextClassLoader(java.lang.String theClassName) Try loading class using the Context class loader.
static java.lang.Class	loadClassFromWebappClassLoader(java.lang.String theClassName, java.lang.Class theReferrer) Try loading class using the Webapp class loader.
static java.util.ResourceBundle	loadPropertyResourceBundle(java.lang.String theName, java.lang.Class theReferrer) Try loading a resource bundle from either the context class loader or the

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassLoaderUtils

public ClassLoaderUtils()

Method Detail

loadClass

public static java.lang.Class loadClass(java.lang.String theClassName,
                                        java.lang.Class theReferrer)
                                 throws java.lang.ClassNotFoundException

Try loading a class first by using the context class loader or by using the classloader of the referrer class if the context classloader failed to load the class.

Parameters:

theClassName - the name of the test class

theReferrer - the class will be loaded using the classloader which has loaded this referrer class

Returns:

the class object the test class to call

Throws:

java.lang.ClassNotFoundException - if the class cannot be loaded through either classloader

loadClassFromContextClassLoader

public static java.lang.Class loadClassFromContextClassLoader(java.lang.String theClassName)
                                                       throws java.lang.ClassNotFoundException

Try loading class using the Context class loader.

Parameters:

theClassName - the class to load

Returns:

the Class object for the class to load

Throws:

java.lang.ClassNotFoundException - if the class cannot be loaded through this class loader

loadClassFromWebappClassLoader

public static java.lang.Class loadClassFromWebappClassLoader(java.lang.String theClassName,
                                                             java.lang.Class theReferrer)
                                                      throws java.lang.ClassNotFoundException

Try loading class using the Webapp class loader.

Parameters:

theClassName - the class to load

theReferrer - the class will be loaded using the classloader which has loaded this referrer class

Returns:

the Class object for the class to load

Throws:

java.lang.ClassNotFoundException - if the class cannot be loaded through this class loader

loadPropertyResourceBundle

public static java.util.ResourceBundle loadPropertyResourceBundle(java.lang.String theName,
                                                                  java.lang.Class theReferrer)

Try loading a resource bundle from either the context class loader or the

Parameters:

theName - the resource bundle name

theReferrer - the resource bundle will be loaded using the classloader which has loaded this referrer class

Returns:

the loaded resource bundle