com.sun.enterprise.module.impl

Class ClassLoaderProxy

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

com.sun.enterprise.module.impl.ClassLoaderProxy

All Implemented Interfaces:

Closeable, AutoCloseable

public class ClassLoaderProxy
extends URLClassLoader

ClassLoaderProxy capable of loading classes from itself but also from other class loaders

Author:

Jerome Dochez

Constructor Summary

Constructors

Constructor and Description
ClassLoaderProxy(URL[] shared, ClassLoader parent) Creates a new instance of ClassLoader

Method Summary

Methods

Modifier and Type	Method and Description
void	addDelegate(ClassLoader cl)
void	addURL(URL url) Appends the specified URL to the list of URLs to search for classes and resources.
protected void	finalize()
protected Class<?>	findClass(String name)
protected Class<?>	findClass(String name, boolean followImports)
URL	findResource(String name)
URL	findResourceDirect(String name) Works like findResource(String) but only looks at this module, without delegating to ancestors.
Enumeration<URL>	findResources(String name)
Collection<ClassLoader>	getDelegates()
protected Class<?>	loadClass(String name, boolean resolve, boolean followImports)
void	removeDelegate(ClassLoader cl)
void	stop() called by the facade class loader when it is garbage collected.
String	toString()

Methods inherited from class java.net.URLClassLoader

close, definePackage, 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, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ClassLoaderProxy

public ClassLoaderProxy(URL[] shared,
                ClassLoader parent)

Creates a new instance of ClassLoader

Method Detail

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

loadClass

protected Class<?> loadClass(String name,
                 boolean resolve,
                 boolean followImports)
                      throws ClassNotFoundException

Throws:

ClassNotFoundException

findClass

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

Overrides:

findClass in class URLClassLoader

Throws:

ClassNotFoundException

findClass

protected Class<?> findClass(String name,
                 boolean followImports)
                      throws ClassNotFoundException

Throws:

ClassNotFoundException

findResource

public URL findResource(String name)

Overrides:

findResource in class URLClassLoader

findResourceDirect

public URL findResourceDirect(String name)

Works like findResource(String) but only looks at this module, without delegating to ancestors.

findResources

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

Overrides:

findResources in class URLClassLoader

Throws:

IOException

addDelegate

public void addDelegate(ClassLoader cl)

removeDelegate

public void removeDelegate(ClassLoader cl)

getDelegates

public Collection<ClassLoader> getDelegates()

stop

public void stop()

called by the facade class loader when it is garbage collected. this is a good time to see if this module should be unloaded.

toString

public String toString()

Overrides:

toString in class Object

addURL

public void addURL(URL url)

Appends the specified URL to the list of URLs to search for classes and resources.

Overrides:

addURL in class URLClassLoader

Parameters:

url - the url to append