org.jboss.classloader.spi.base
Class BaseClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          org.jboss.classloader.spi.base.BaseClassLoader

All Implemented Interfaces:

BaseClassLoaderMBean, org.jboss.classloading.spi.RealClassLoader, org.jboss.util.loading.Translatable

public class BaseClassLoader
extends SecureClassLoader
implements BaseClassLoaderMBean, org.jboss.classloading.spi.RealClassLoader

BaseClassLoader.

Version:

$Revision: 1.1 $

Author:

Adrian Brock

Constructor Summary

BaseClassLoader(ClassLoaderPolicy policy)
Create a new ClassLoader with no parent.

Method Summary

void	clearBlackList(String name)
protected void	definePackage(String className) Define the package for the class if not already done
protected Enumeration<URL>	findResources(String name)
Class<?>	getCachedClass(String name)
URL	getCachedResource(String name)
ObjectName	getObjectName()
URL	getResource(String name)
URL	getResourceLocally(String name) Try to find the resource locally
boolean	isValid()
protected Class<?>	loadClass(String name, boolean resolve)
protected Class<?>	loadClassFromDomain(String name, boolean trace) Try to load the class from the domain
protected void	shutdownClassLoader() Shutdown the classloader
String	toLongString() A long version of the classloader
protected void	toLongString(StringBuilder builder) For subclasses to add things to the long string
String	toString()

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass, getPermissions

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findSystemClass, getPackage, getPackages, getParent, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseClassLoader

public BaseClassLoader(ClassLoaderPolicy policy)

Create a new ClassLoader with no parent.

Parameters:

policy - the policy

Throws:

IllegalArgumentException - for a null policy

IllegalStateException - if the policy is already associated with a classloader

Method Detail

getObjectName

public ObjectName getObjectName()

Specified by:

getObjectName in interface org.jboss.classloading.spi.RealClassLoader

loadClass

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

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException

getResource

public URL getResource(String name)

Overrides:

getResource in class ClassLoader

findResources

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

Overrides:

findResources in class ClassLoader

Throws:

IOException

getResourceLocally

public URL getResourceLocally(String name)

Try to find the resource locally

Specified by:

getResourceLocally in interface org.jboss.util.loading.Translatable

Parameters:

name - the resource name

Returns:

the url if found

definePackage

protected void definePackage(String className)

Define the package for the class if not already done

Parameters:

className - the class name

loadClassFromDomain

protected Class<?> loadClassFromDomain(String name,
                                       boolean trace)
                                throws ClassNotFoundException

Try to load the class from the domain

Parameters:

name - the class name

trace - whether trace is enabled

Returns:

the class if found in the parent

Throws:

ClassNotFoundException - for any error

isValid

public boolean isValid()

Specified by:

isValid in interface org.jboss.classloading.spi.RealClassLoader

getCachedClass

public Class<?> getCachedClass(String name)

Specified by:

getCachedClass in interface org.jboss.classloading.spi.RealClassLoader

getCachedResource

public URL getCachedResource(String name)

Specified by:

getCachedResource in interface org.jboss.classloading.spi.RealClassLoader

clearBlackList

public void clearBlackList(String name)

toLongString

public String toLongString()

A long version of the classloader

Returns:

the long string

shutdownClassLoader

protected void shutdownClassLoader()

Shutdown the classloader

toLongString

protected void toLongString(StringBuilder builder)

For subclasses to add things to the long string

Parameters:

builder - the builder

toString

public String toString()

Overrides:

toString in class Object