org.java.plugin

Class PluginClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.java.plugin.PluginClassLoader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

StandardPluginClassLoader

public abstract class PluginClassLoader
extends java.net.URLClassLoader

Extension to Java class loader API. One instance of this class should be created by plug-in manager for every available plug-in.

Version:

$Id$

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PluginClassLoader(PluginManager aManager, PluginDescriptor descr, java.net.URL[] urls)
protected	PluginClassLoader(PluginManager aManager, PluginDescriptor descr, java.net.URL[] urls, java.lang.ClassLoader parent)
protected	PluginClassLoader(PluginManager aManager, PluginDescriptor descr, java.net.URL[] urls, java.lang.ClassLoader parent, java.net.URLStreamHandlerFactory factory)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	dispose() Should release all resources acquired by this class loader instance.
PluginDescriptor	getPluginDescriptor()
PluginManager	getPluginManager()
protected abstract void	pluginsSetChanged() Registry data change notification.
java.lang.String	toString()

Methods inherited from class java.net.URLClassLoader

addURL, close, definePackage, findClass, findResource, findResources, getPermissions, getResourceAsStream, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

PluginClassLoader

protected PluginClassLoader(PluginManager aManager,
                 PluginDescriptor descr,
                 java.net.URL[] urls,
                 java.lang.ClassLoader parent,
                 java.net.URLStreamHandlerFactory factory)

Parameters:

aManager - plug-in manager

descr - plug-in descriptor

urls - resources "managed" by this class loader

parent - parent class loader

factory - URL stream handler factory

See Also:

URLClassLoader.URLClassLoader(java.net.URL[], java.lang.ClassLoader, java.net.URLStreamHandlerFactory)

PluginClassLoader

protected PluginClassLoader(PluginManager aManager,
                 PluginDescriptor descr,
                 java.net.URL[] urls,
                 java.lang.ClassLoader parent)

Parameters:

aManager - plug-in manager

descr - plug-in descriptor

urls - resources "managed" by this class loader

parent - parent class loader

See Also:

URLClassLoader.URLClassLoader(java.net.URL[], java.lang.ClassLoader)

PluginClassLoader

protected PluginClassLoader(PluginManager aManager,
                 PluginDescriptor descr,
                 java.net.URL[] urls)

Parameters:

aManager - plug-in manager

descr - plug-in descriptor

urls - resources "managed" by this class loader

See Also:

URLClassLoader.URLClassLoader(java.net.URL[])

Method Detail

getPluginManager

public PluginManager getPluginManager()

Returns:

returns the plug-in manager

getPluginDescriptor

public PluginDescriptor getPluginDescriptor()

Returns:

returns the plug-in descriptor

dispose

protected abstract void dispose()

Should release all resources acquired by this class loader instance.

pluginsSetChanged

protected abstract void pluginsSetChanged()

Registry data change notification.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()