de.mhus.lib.core.lang

Class DynamicClassLoader

java.lang.Object

java.lang.ClassLoader

de.mhus.lib.core.lang.DynamicClassLoader

public class DynamicClassLoader
extends ClassLoader

This class loader is a distributor. You can dynamically change the list of child loaders. The class loader is thread safe.

Version:

$Id: $Id

Author:

mikehummel

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DynamicClassLoader.RESULT
static class	DynamicClassLoader.Rule

Field Summary

Fields

Modifier and Type	Field and Description
protected LinkedList<MResourceProvider>	classLoaders
protected DynamicClassLoader.RESULT	defaultRule
static Log	log Constant log
protected String	name
protected DynamicClassLoader.Rule[]	rules

Constructor Summary

Constructors

Constructor and Description
DynamicClassLoader(String name) Constructor for DynamicClassLoader.
DynamicClassLoader(String name, ClassLoader parent) Constructor for DynamicClassLoader.

Method Summary

Modifier and Type	Method and Description
void	add(int index, MResourceProvider element) add.
boolean	add(MResourceProvider e) add.
void	addRule(DynamicClassLoader.Rule rule) addRule.
void	clear() clear.
Class<?>	findAndOwnClass(String name) findAndOwnClass.
protected Class<?>	findClass(String name)
protected URL	findResource(String name)
boolean	remove(MResourceProvider o) remove.
void	setDefaultRule(DynamicClassLoader.RESULT rule) Setter for the field defaultRule.
void	setRules(List<DynamicClassLoader.Rule> list) Setter for the field rules.
String	toString()

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, 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, wait, wait, wait

Field Detail

log

public static Log log

Constant log

name

protected String name

classLoaders

protected LinkedList<MResourceProvider> classLoaders

rules

protected DynamicClassLoader.Rule[] rules

defaultRule

protected DynamicClassLoader.RESULT defaultRule

Constructor Detail

DynamicClassLoader

public DynamicClassLoader(String name)

Constructor for DynamicClassLoader.

Parameters:

name - a String object.

DynamicClassLoader

public DynamicClassLoader(String name,
                          ClassLoader parent)

Constructor for DynamicClassLoader.

Parameters:

name - a String object.

parent - a ClassLoader object.

Method Detail

toString

public String toString()

Overrides:

toString in class Object

setRules

public void setRules(List<DynamicClassLoader.Rule> list)

Setter for the field rules.

Parameters:

list - a List object.

addRule

public void addRule(DynamicClassLoader.Rule rule)

addRule.

Parameters:

rule - a DynamicClassLoader.Rule object.

setDefaultRule

public void setDefaultRule(DynamicClassLoader.RESULT rule)

Setter for the field defaultRule.

Parameters:

rule - a DynamicClassLoader.RESULT object.

findClass

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

Overrides:

findClass in class ClassLoader

Throws:

ClassNotFoundException

findAndOwnClass

public Class<?> findAndOwnClass(String name)
                         throws ClassNotFoundException

findAndOwnClass.

Parameters:

name - a String object.

Returns:

a Class object.

Throws:

ClassNotFoundException - if any.

findResource

protected URL findResource(String name)

Overrides:

findResource in class ClassLoader

add

public boolean add(MResourceProvider e)

add.

Parameters:

e - a MResourceProvider object.

Returns:

a boolean.

remove

public boolean remove(MResourceProvider o)

remove.

Parameters:

o - a MResourceProvider object.

Returns:

a boolean.

clear

public void clear()

clear.

add

public void add(int index,
                MResourceProvider element)

add.

Parameters:

index - a int.

element - a MResourceProvider object.