org.quartz.spi
Interface ClassLoadHelper

All Known Implementing Classes:

CascadingClassLoadHelper, InitThreadContextClassLoadHelper, LoadingLoaderClassLoadHelper, SimpleClassLoadHelper, ThreadContextClassLoadHelper

public interface ClassLoadHelper

An interface for classes wishing to provide the service of loading classes and resources within the scheduler...

Author:

jhouse, pl47ypus

Method Summary

ClassLoader	getClassLoader() Enable sharing of the class-loader with 3rd party (e.g.
URL	getResource(String name) Finds a resource with a given name.
InputStream	getResourceAsStream(String name) Finds a resource with a given name.
void	initialize() Called to give the ClassLoadHelper a chance to initialize itself, including the opportunity to "steal" the class loader off of the calling thread, which is the thread that is initializing Quartz.
Class<?>	loadClass(String name) Return the class with the given name.
<T> Class<? extends T>	loadClass(String name, Class<T> clazz) Return the class of the given type with the given name.

Method Detail

initialize

void initialize()

Called to give the ClassLoadHelper a chance to initialize itself, including the opportunity to "steal" the class loader off of the calling thread, which is the thread that is initializing Quartz.

loadClass

Class<?> loadClass(String name)
                   throws ClassNotFoundException

Return the class with the given name.

Parameters:

name - the fqcn of the class to load.

Returns:

the requested class.

Throws:

ClassNotFoundException - if the class can be found in the classpath.

loadClass

<T> Class<? extends T> loadClass(String name,
                                 Class<T> clazz)
                             throws ClassNotFoundException

Return the class of the given type with the given name.

Parameters:

name - the fqcn of the class to load.

Returns:

the requested class.

Throws:

ClassNotFoundException - if the class can be found in the classpath.

getResource

URL getResource(String name)

Finds a resource with a given name. This method returns null if no resource with this name is found.

Parameters:

name - name of the desired resource

Returns:

a java.net.URL object

getResourceAsStream

InputStream getResourceAsStream(String name)

Finds a resource with a given name. This method returns null if no resource with this name is found.

Parameters:

name - name of the desired resource

Returns:

a java.io.InputStream object

getClassLoader

ClassLoader getClassLoader()

Enable sharing of the class-loader with 3rd party (e.g. digester).

Returns:

the class-loader user be the helper.