tyrex.resource.jca
Class RARClassLoader

java.lang.Object
  |
  +--java.lang.ClassLoader
        |
        +--tyrex.resource.jca.RARClassLoader

public final class RARClassLoader

extends java.lang.ClassLoader

Classloader to load classes from jar files embedded in a rar file. This class is thread-safe because the call to findClass(String) is within a synchronized block (java.lang.ClassLoader.loadClass).

Author:

Riad Mohammed

Inner classes inherited from class java.lang.ClassLoader

java.lang.ClassLoader.NativeLibrary

Fields inherited from class java.lang.ClassLoader

nocerts

Constructor Summary

RARClassLoader(java.io.File rarFile, boolean resolve)
Create the RARClassLoader.

RARClassLoader(java.lang.String rarFile, boolean resolve)
Create the RARClassLoader.

Method Summary

protected java.lang.Class	findClass(java.lang.String name) Finds the specified class.
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.ClassLoader

, addClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findNative, findResource, findResources, findSystemClass, getBootstrapClassPath, getCallerClassLoader, getGetClassLoaderPerm, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, isAncestor, loadClass, loadClass, loadLibrary, resolveClass, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

RARClassLoader

public RARClassLoader(java.io.File rarFile,
                      boolean resolve)
               throws java.io.FileNotFoundException,
                      java.io.IOException

Create the RARClassLoader.

Parameters:

file - the file (required)

resolve - True if the jar files are resolved at creation time. False if jar files are resolved lazily.

Throws:

java.io.FileNotFoundException - if the file does not exist

java.io.IOException - if there is a problem reading the rar file

java.lang.IllegalArgumentException - if the file argument is null.

RARClassLoader

public RARClassLoader(java.lang.String rarFile,
                      boolean resolve)
               throws java.io.FileNotFoundException,
                      java.io.IOException

Create the RARClassLoader.

Parameters:

file - the file (required)

resolve - True if the jar files are resolved at creation time. False if jar files are resolved lazily.

Throws:

java.io.FileNotFoundException - if the file does not exist

java.io.IOException - if there is a problem reading the rar file

java.lang.IllegalArgumentException - if the file argument is null.

Method Detail

findClass

protected java.lang.Class findClass(java.lang.String name)
                             throws java.lang.ClassNotFoundException

Finds the specified class. This method should be overridden by class loader implementations that follow the new delegation model for loading classes, and will be called by the loadClass method after checking the parent class loader for the requested class.This method is not synchronized because loadClass is synchronized.

Overrides:

findClass in class java.lang.ClassLoader

Parameters:

name - the name of the class

Returns:

the resulting Class object

Throws:

java.lang.ClassNotFoundException - if the class could not be found

main

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