org.apache.cocoon.components.classloader
Class ClassLoaderManagerImpl

java.lang.Object
  |
  +--org.apache.cocoon.components.classloader.ClassLoaderManagerImpl

All Implemented Interfaces:

ClassLoaderManager, org.apache.avalon.framework.component.Component, org.apache.avalon.framework.thread.ThreadSafe

public class ClassLoaderManagerImpl

extends java.lang.Object

implements ClassLoaderManager, org.apache.avalon.framework.thread.ThreadSafe

A singleton-like implementation of ClassLoaderManager

Version:

CVS $Id: ClassLoaderManagerImpl.java,v 1.5 2002/02/22 07:00:06 cziegeler Exp $

Author:

Ricardo Rocha

Field Summary

protected static java.util.Set	fileSet
protected static RepositoryClassLoader	instance The single class loader instance

Fields inherited from interface org.apache.cocoon.components.classloader.ClassLoaderManager

ROLE

Constructor Summary

ClassLoaderManagerImpl()
A constructor that ensures only a single class loader instance exists

Method Summary

void	addDirectory(java.io.File directoryName) Add a directory to the proxied class loader
java.lang.Class	loadClass(java.lang.String className) Load a class through the proxied class loader
void	reinstantiate() Reinstantiate the proxied class loader to allow for class reloading

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static RepositoryClassLoader instance

The single class loader instance

fileSet

protected static java.util.Set fileSet

Constructor Detail

ClassLoaderManagerImpl

public ClassLoaderManagerImpl()

A constructor that ensures only a single class loader instance exists

Method Detail

addDirectory

public void addDirectory(java.io.File directoryName)
                  throws java.io.IOException

Add a directory to the proxied class loader

Specified by:

addDirectory in interface ClassLoaderManager

Parameters:

directoryName - The repository name

Throws:

java.io.IOException - If the directory is invalid

loadClass

public java.lang.Class loadClass(java.lang.String className)
                          throws java.lang.ClassNotFoundException

Load a class through the proxied class loader

Specified by:

loadClass in interface ClassLoaderManager

Parameters:

className - The name of the class to be loaded

Returns:

The loaded class

Throws:

java.lang.ClassNotFoundException - If the class is not found

reinstantiate

public void reinstantiate()

Reinstantiate the proxied class loader to allow for class reloading

Specified by:

reinstantiate in interface ClassLoaderManager