org.shared.metaclass

Class Loader

java.lang.Object

org.shared.metaclass.Loader

public class Loader
extends Object

A facility providing a way for programs to take advantage of Jars and native libraries found on the class path. To use it, one annotates a target class with resource descriptions specifying the Jars and native libraries to load.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Loader.EntryPoint A marker annotation for the entry point of a program after resource acquisition.
static interface	Loader.LoadableResources An annotation in support of resource loading.

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args) The entry point for Loader when invoked as a Java process.
static void	run(String targetName, Object invocationArg) Delegates to run(String, Object, boolean) with the class loader delegation option set to true.
static void	run(String targetName, Object invocationArg, boolean useDelegation) The entry point for Loader when invoked programmatically.
protected static String	toPathname(String resourceName) Converts the given resource name into a class pathname.

Methods inherited from class java.lang.Object

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

Method Detail

main

public static void main(String[] args)
                 throws Exception

The entry point for Loader when invoked as a Java process.

Throws:

Exception - when something goes awry.

run

public static void run(String targetName,
       Object invocationArg)
                throws Exception

Delegates to run(String, Object, boolean) with the class loader delegation option set to true.

Throws:

Exception - when something goes awry.

run

public static void run(String targetName,
       Object invocationArg,
       boolean useDelegation)
                throws Exception

The entry point for Loader when invoked programmatically.

Parameters:

targetName - the target class.

invocationArg - the invocation argument.

useDelegation - whether to use the class loader gotten by Thread.getContextClassLoader() or null as the underlying RegistryClassLoader's parent.

Throws:

Exception - when something goes awry.

toPathname

protected static final String toPathname(String resourceName)

Converts the given resource name into a class pathname. Note that backslashes are used for escaping -- "\." prevents the translation of "." into "/", and "\\" denotes the backslash character itself.

Parameters:

resourceName - the resource name.

Returns:

the class pathname.