com.goldencode.p2j.security

Class SecurityManager.HookClassLoader

java.lang.Object

java.lang.ClassLoader

com.goldencode.p2j.security.SecurityManager.HookClassLoader

Enclosing class:

SecurityManager

private class SecurityManager.HookClassLoader
extends java.lang.ClassLoader

This class extends ClassLoader to enable the loading of a class file stored as a byte array in memory.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Class<?>	cls The class defined by the bytecode; will be loaded on the first findClass(java.lang.String) call.
private byte[]	data Byte array to load the class from

Constructor Summary

Constructors

Modifier	Constructor and Description
private	HookClassLoader(java.lang.ClassLoader parent, byte[] source) Constructor for a single source.

Method Summary

Modifier and Type	Method and Description
protected java.lang.Class<?>	findClass(java.lang.String name) Find and load the class with the given name.

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

Field Detail

data

private byte[] data

Byte array to load the class from

cls

private java.lang.Class<?> cls

The class defined by the bytecode; will be loaded on the first findClass(java.lang.String) call.

Constructor Detail

HookClassLoader

private HookClassLoader(java.lang.ClassLoader parent,
                        byte[] source)

Constructor for a single source.

Parameters:

parent - The parent ClassLoader.

source - array of bytes this class loader operates

Method Detail

findClass

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

Find and load the class with the given name. If this the hook class was not yet defined, define it first.

If the hook class name matches the received name, return the hook class. Else, let the parent class loader resolve it.

Overrides:

findClass in class java.lang.ClassLoader

Returns:

The Class object.

Throws:

java.lang.ClassNotFoundException - If the class can not be found or class linkage has error occurred.