Package org.apache.wicket.application

Class CompoundClassResolver

java.lang.Object

org.apache.wicket.application.CompoundClassResolver

All Implemented Interfaces:

IClassResolver

public class CompoundClassResolver
extends Object
implements IClassResolver

A thread safe compound IClassResolver. Class resolving is done by iterating through all IClassResolvers until the class is found. Resource resolving is done by combining the results of all IClassResolvers.

Author:

Jesse Long

Constructor Summary

Constructors

Constructor	Description
CompoundClassResolver()

Method Summary

Modifier and Type	Method	Description
CompoundClassResolver	add(IClassResolver resolver)	Adds a resolver
ClassLoader	getClassLoader()	Returns the ClassLoader to be used for resolving classes
Iterator<URL>	getResources(String name)	Tries to load all the resources by the name that is given.
CompoundClassResolver	remove(IClassResolver resolver)	Removes a resolver
Class<?>	resolveClass(String className)	Resolves a class by name (which may or may not involve loading it; thus the name class *resolver* not *loader*).

Methods inherited from class java.lang.Object

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

Constructor Detail

CompoundClassResolver

public CompoundClassResolver()

Method Detail

resolveClass

public Class<?> resolveClass(String className)
                      throws ClassNotFoundException

Resolves a class by name (which may or may not involve loading it; thus the name class *resolver* not *loader*).

This implementation iterates through all the IClassResolver trying to load the class until the class is found.

Specified by:

resolveClass in interface IClassResolver

Parameters:

className - The name of the class to resolve.

Returns:

The Class, if it is found.

Throws:

ClassNotFoundException - If the class was not found

getResources

public Iterator<URL> getResources(String name)

Tries to load all the resources by the name that is given.

This implementation iterates through all IClassResolvers added, and combines the results into one Set of URLs, and returns an Iterator for the set. URLs are unique in the set.

Specified by:

getResources in interface IClassResolver

Parameters:

name - The name of the resource to find.

Returns:

An Iterator of all the URLs matching the resource name.

getClassLoader

public ClassLoader getClassLoader()

Description copied from interface: IClassResolver

Returns the ClassLoader to be used for resolving classes

Specified by:

getClassLoader in interface IClassResolver

Returns:

the class loader returned by the first registered IClassResolver. If there is no registered IClassResolver then the current thread's context class loader will be returned.

add

public CompoundClassResolver add(IClassResolver resolver)

Adds a resolver

Parameters:

resolver - The resolver to add

Returns:

this for chaining

remove

public CompoundClassResolver remove(IClassResolver resolver)

Removes a resolver

Parameters:

resolver - The resolver to remove

Returns:

this for chaining