acm.util

Class PatchingClassLoader

java.lang.Object

java.lang.ClassLoader

acm.util.PatchingClassLoader

public class PatchingClassLoader
extends ClassLoader

A ClassLoader that allows you to patch what the superclass is for an existing class as it is loaded. This is primarily used to hot-patch ConsolePrograms to be CommandLinePrograms when run in a non-graphical setting.

Constructor Summary

Constructors

Constructor and Description
PatchingClassLoader(String targetClassName, Class<?> newSuperClass)
PatchingClassLoader(String targetClassName, String newSuperClassName)

Method Summary

Modifier and Type	Method and Description
URL	getResource(String name)
InputStream	getResourceAsStream(String name)
Class<?>	loadClass(String name, boolean resolve)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, 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

PatchingClassLoader

public PatchingClassLoader(String targetClassName,
                           Class<?> newSuperClass)

PatchingClassLoader

public PatchingClassLoader(String targetClassName,
                           String newSuperClassName)

Method Detail

loadClass

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

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException

getResourceAsStream

public InputStream getResourceAsStream(String name)

Overrides:

getResourceAsStream in class ClassLoader

getResource

public URL getResource(String name)

Overrides:

getResource in class ClassLoader