org.java.plugin.standard.StandardPluginClassLoader

All Implemented Interfaces:: Closeable, AutoCloseable

public class StandardPluginClassLoader extends PluginClassLoader

Standard implementation of plug-in class loader.

Version:: $Id: StandardPluginClassLoader.java,v 1.8 2007/04/07 12:39:50 ddimon Exp $

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

protected static final class

StandardPluginClassLoader.ResourceFilter
Constructor Summary

Constructors

Constructor

Description

StandardPluginClassLoader(PluginManager aManager, PluginDescriptor descr, ClassLoader parent)

Creates class instance configured to load classes and resources for given plug-in.
Method Summary

Modifier and Type

Method

Description

protected File

cacheLibrary(URL libUrl, String libname)

protected void

checkClassVisibility(Class<?> cls, StandardPluginClassLoader requestor)

protected void

collectFilters()

protected void

collectImports()

protected void

dispose()

Should release all resources acquired by this class loader instance.

protected String

findLibrary(String name)

URL

findResource(String name)

protected URL

findResource(String name, StandardPluginClassLoader requestor, Set<String> seenPlugins)

Enumeration<URL>

findResources(String name)

protected void

findResources(List<URL> result, String name, StandardPluginClassLoader requestor, Set<String> seenPlugins)

protected boolean

isResourceVisible(String name, URL url, StandardPluginClassLoader requestor)

protected Class<?>

loadClass(String name, boolean resolve)

protected void

pluginsSetChanged()

Registry data change notification.

protected void

setForeignClassLoadingOptimization(boolean value)

protected void

setLocalClassLoadingOptimization(boolean value)

protected void

setProbeParentLoaderLast(boolean value)

protected void

setStickySynchronizing(boolean value)

Methods inherited from class org.java.plugin.PluginClassLoader
getPluginDescriptor, getPluginManager, toString

Methods inherited from class java.net.URLClassLoader
addURL, close, definePackage, findClass, 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, findClass, findLoadedClass, findResource, findSystemClass, getClassLoadingLock, getDefinedPackage, getDefinedPackages, getName, getPackage, getPackages, getParent, getPlatformClassLoader, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, getUnnamedModule, isRegisteredAsParallelCapable, loadClass, registerAsParallelCapable, resolveClass, resources, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details
- StandardPluginClassLoader
  
  public StandardPluginClassLoader(PluginManager aManager, PluginDescriptor descr, ClassLoader parent)
  
  Creates class instance configured to load classes and resources for given plug-in.
  
  Parameters:
  
  aManager - plug-in manager instance
  
  descr - plug-in descriptor
  
  parent - parent class loader, usually this is JPF "host" application class loader
Method Details
- collectImports
  
  protected void collectImports()
- collectFilters
  
  protected void collectFilters()
- pluginsSetChanged
  
  protected void pluginsSetChanged()
  
  Description copied from class: PluginClassLoader
  
  Registry data change notification.
  Specified by:
  
  pluginsSetChanged in class PluginClassLoader
  
  See Also:
  
  PluginClassLoader.pluginsSetChanged()
- dispose
  
  protected void dispose()
  
  Description copied from class: PluginClassLoader
  
  Should release all resources acquired by this class loader instance.
  Specified by:
  
  dispose in class PluginClassLoader
  
  See Also:
  
  PluginClassLoader.dispose()
- setProbeParentLoaderLast
  
  protected void setProbeParentLoaderLast(boolean value)
- setStickySynchronizing
  
  protected void setStickySynchronizing(boolean value)
- setLocalClassLoadingOptimization
  
  protected void setLocalClassLoadingOptimization(boolean value)
- setForeignClassLoadingOptimization
  
  protected void setForeignClassLoadingOptimization(boolean value)
- loadClass
  
  protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException
  Overrides:
  
  loadClass in class ClassLoader
  
  Throws:
  
  ClassNotFoundException
  
  See Also:
  
  ClassLoader.loadClass(java.lang.String, boolean)
- checkClassVisibility
  
  protected void checkClassVisibility(Class<?> cls, StandardPluginClassLoader requestor) throws ClassNotFoundException
  
  Throws:
  
  ClassNotFoundException
- findLibrary
  
  protected String findLibrary(String name)
  Overrides:
  
  findLibrary in class ClassLoader
  
  See Also:
  
  ClassLoader.findLibrary(java.lang.String)
- cacheLibrary
  
  protected File cacheLibrary(URL libUrl, String libname)
- findResource
  
  public URL findResource(String name)
  Overrides:
  
  findResource in class URLClassLoader
  
  See Also:
  
  ClassLoader.findResource(java.lang.String)
- findResources
  
  public Enumeration<URL> findResources(String name) throws IOException
  Overrides:
  
  findResources in class URLClassLoader
  
  Throws:
  
  IOException
  
  See Also:
  
  ClassLoader.findResources(java.lang.String)
- findResource
  
  protected URL findResource(String name, StandardPluginClassLoader requestor, Set<String> seenPlugins)
- findResources
  
  protected void findResources(List<URL> result, String name, StandardPluginClassLoader requestor, Set<String> seenPlugins) throws IOException
  
  Throws:
  
  IOException
- isResourceVisible
  
  protected boolean isResourceVisible(String name, URL url, StandardPluginClassLoader requestor)

Class StandardPluginClassLoader

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class org.java.plugin.PluginClassLoader

Methods inherited from class java.net.URLClassLoader

Methods inherited from class java.security.SecureClassLoader

Methods inherited from class java.lang.ClassLoader

Methods inherited from class java.lang.Object

Constructor Details

StandardPluginClassLoader

Method Details

collectImports

collectFilters

pluginsSetChanged

dispose

setProbeParentLoaderLast

setStickySynchronizing

setLocalClassLoadingOptimization

setForeignClassLoadingOptimization

loadClass

checkClassVisibility

findLibrary

cacheLibrary

findResource

findResources

findResource

findResources

isResourceVisible