pandora
Class CheckClassLoader

java.lang.Object
  |
  +--java.lang.ClassLoader
        |
        +--pandora.CheckClassLoader

public class CheckClassLoader

extends java.lang.ClassLoader

Check permissions to use a classloader.

alexis.grandemange@pagebox.net

Copyright (c) 2002-2003 Alexis Grandemange

This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public License
 as published by the Free Software Foundation; version 2.1 of the
 License.
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU Lesser General Public License for more details.
 A copy of the GNU Lesser General Public License lesser.txt should be
 included in the distribution.

Version:

0, 0, 2

Author:

Alexis Grandemange

Field Summary

(package private) java.lang.String	classDir class directory
(package private) java.util.HashMap	classes Class cache Key: class name Value: Class object
(package private) PageBoxLib.LogIF	log Logging object
(package private) java.lang.ClassLoader	parent Class loader of the class that instantiates CheckClassLoader.

Fields inherited from class java.lang.ClassLoader

Constructor Summary

CheckClassLoader(java.lang.String classDir, java.lang.ClassLoader parent, PageBoxLib.LogIF log)
Constructor.

Method Summary

java.lang.Class	loadClass(java.lang.String name, boolean resolve) Loads a class.
private java.lang.Class	loadForward(java.lang.String name) Retrieve classes from parent class loaders.

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getPackage, getPackages, getParent, getResource, 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, toString, wait, wait, wait

Field Detail

classDir

java.lang.String classDir

class directory

classes

java.util.HashMap classes

Class cache

• Key: class name
• Value: Class object

parent

java.lang.ClassLoader parent

Class loader of the class that instantiates CheckClassLoader.

log

PageBoxLib.LogIF log

Logging object

Constructor Detail

CheckClassLoader

public CheckClassLoader(java.lang.String classDir,
                        java.lang.ClassLoader parent,
                        PageBoxLib.LogIF log)

Constructor.

Parameters:

classDir - directory where to find classes

parent - class loader of the class that instantiates CheckClassLoader

log - logging object

Method Detail

loadForward

private final java.lang.Class loadForward(java.lang.String name)
                                   throws java.lang.ClassNotFoundException

Retrieve classes from parent class loaders.

Parameters:

name - class name

Returns:

Class object

java.lang.ClassNotFoundException

loadClass

public java.lang.Class loadClass(java.lang.String name,
                                 boolean resolve)
                          throws java.lang.ClassNotFoundException

Loads a class.

Overrides:

loadClass in class java.lang.ClassLoader

Parameters:

name - class name

resolve - true if the class must be resolved

Returns:

Class object

java.lang.ClassNotFoundException