com.atlassian.plugin.classloader

Class PluginsClassLoader

java.lang.Object

java.lang.ClassLoader

com.atlassian.plugin.classloader.PluginsClassLoader

public class PluginsClassLoader
extends ClassLoader

A ClassLoader that will loop over all enabled Plugins, attempting to load the given class (or other resource) from the ClassLoader of each plugin in turn.

See Also:

PluginClassLoader

Constructor Summary

Constructors

Constructor and Description
PluginsClassLoader(ClassLoader parent, PluginAccessor pluginAccessor) Deprecated. Since 2.5.0, use PluginsClassLoader(ClassLoader, PluginAccessor, PluginEventManager) instead
PluginsClassLoader(ClassLoader parent, PluginAccessor pluginAccessor, PluginEventManager pluginEventManager)
PluginsClassLoader(PluginAccessor pluginAccessor)

Method Summary

Modifier and Type	Method and Description
protected Class<?>	findClass(String className)
protected URL	findResource(String name)
protected Enumeration<URL>	findResources(String name) The default implementation returns a "singleton" enumeration over the result of findResource(String).
Plugin	getPluginForClass(String className) Returns the Plugin that will be used to load the given class name.
void	notifyPluginOrModuleEnabled()
void	notifyUninstallPlugin(Plugin plugin)
void	onPluginEnabled(PluginEnabledEvent event)
void	onPluginModuleEnabled(PluginModuleEnabledEvent event)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResourceAsStream, 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, toString, wait, wait, wait

Constructor Detail

PluginsClassLoader

public PluginsClassLoader(PluginAccessor pluginAccessor)

PluginsClassLoader

public PluginsClassLoader(ClassLoader parent,
                          PluginAccessor pluginAccessor)

Deprecated. Since 2.5.0, use PluginsClassLoader(ClassLoader, PluginAccessor, PluginEventManager) instead

PluginsClassLoader

public PluginsClassLoader(ClassLoader parent,
                          PluginAccessor pluginAccessor,
                          PluginEventManager pluginEventManager)

Parameters:

parent - The parent classloader

pluginAccessor - The plugin accessor

pluginEventManager - The plugin event manager

Since:

2.5.0

Method Detail

findResource

protected URL findResource(String name)

findClass

protected Class<?> findClass(String className)
                      throws ClassNotFoundException

Throws:

ClassNotFoundException

notifyUninstallPlugin

public void notifyUninstallPlugin(Plugin plugin)

getPluginForClass

public Plugin getPluginForClass(String className)

Returns the Plugin that will be used to load the given class name. If no enabled plugin can load the given class, then null is returned.

Parameters:

className - the Class name

Returns:

the Plugin that will be used to load the given class name.

Since:

2.3

onPluginEnabled

public void onPluginEnabled(PluginEnabledEvent event)

onPluginModuleEnabled

public void onPluginModuleEnabled(PluginModuleEnabledEvent event)

notifyPluginOrModuleEnabled

public void notifyPluginOrModuleEnabled()

findResources

protected Enumeration<URL> findResources(String name)
                                  throws IOException

The default implementation returns a "singleton" enumeration over the result of findResource(String).

Overrides:

findResources in class ClassLoader

Parameters:

name - the name of the resource

Returns:

an enumeration over all matching resources

Throws:

IOException - This implementation will not throw this exception