net.sandius.rembulan.load

Class ChunkClassLoader

java.lang.Object

java.lang.ClassLoader

net.sandius.rembulan.load.ChunkClassLoader

public class ChunkClassLoader
extends ClassLoader

Class loader for Lua chunks.

Constructor Summary

Constructors

Constructor and Description
ChunkClassLoader() Constructs a new ChunkClassLoader using the class loader that loaded the ChunkClassLoader class as the parent class loader.
ChunkClassLoader(ClassLoader parent) Constructs a new ChunkClassLoader with the specified class loader parent as its parent in the class loading hierarchy.

Method Summary

Modifier and Type	Method and Description
protected Class<?>	findClass(String name)
String	install(CompiledChunk chunk) Installs the compiled chunk chunk into this chunk class loader, returning the class name of the main class in chunk.
boolean	isInstalled(String className) Returns true if the Lua function class with the given className has been installed into this ChunkClassLoader or has already been loaded by it.

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findResource, findResources, 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

ChunkClassLoader

public ChunkClassLoader(ClassLoader parent)

Constructs a new ChunkClassLoader with the specified class loader parent as its parent in the class loading hierarchy.

Parameters:

parent - the parent class loader

ChunkClassLoader

public ChunkClassLoader()

Constructs a new ChunkClassLoader using the class loader that loaded the ChunkClassLoader class as the parent class loader.

Method Detail

install

public String install(CompiledChunk chunk)

Installs the compiled chunk chunk into this chunk class loader, returning the class name of the main class in chunk.

Once this method returns (and not before), the returned main class may be loaded and instantiated.

Parameters:

chunk - chunk to be installed, must not be null

Returns:

the class name of the main class in chunk

Throws:

NullPointerException - if chunk is null

IllegalStateException - if a class with the same name as a class in chunk has already been installed into this chunk class loader

isInstalled

public boolean isInstalled(String className)

Returns true if the Lua function class with the given className has been installed into this ChunkClassLoader or has already been loaded by it.

Parameters:

className - class name of the Lua function, must not be null

Returns:

true iff the class className has been installed into this class loader or loaded by it

Throws:

NullPointerException - if className is null

findClass

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

Overrides:

findClass in class ClassLoader

Throws:

ClassNotFoundException