io.undertow.server.handlers.resource

Interface ResourceManager

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

CachingResourceManager, ClassPathResourceManager, FileResourceManager, PathResourceManager

public interface ResourceManager
extends Closeable

Representation of a resource manager. A resource manager knows how to obtain a resource for a given path.

Author:

Stuart Douglas

Field Summary

Fields

Modifier and Type	Field and Description
static ResourceManager	EMPTY_RESOURCE_MANAGER

Method Summary

Modifier and Type	Method and Description
Resource	getResource(String path) Returns a resource for the given path.
boolean	isResourceChangeListenerSupported()
void	registerResourceChangeListener(ResourceChangeListener listener) Registers a resource change listener, if the underlying resource manager support it
void	removeResourceChangeListener(ResourceChangeListener listener) Removes a resource change listener

Methods inherited from interface java.io.Closeable

close

Field Detail

EMPTY_RESOURCE_MANAGER

static final ResourceManager EMPTY_RESOURCE_MANAGER

Method Detail

getResource

Resource getResource(String path)
              throws IOException

Returns a resource for the given path. It is the responsibility of the called to make sure that the path in Canonicalised.

Parameters:

path - The path

Returns:

The resource representing the path, or null if no resource was found.

Throws:

IOException

isResourceChangeListenerSupported

boolean isResourceChangeListenerSupported()

Returns:

true if a resource change listener is supported

registerResourceChangeListener

void registerResourceChangeListener(ResourceChangeListener listener)

Registers a resource change listener, if the underlying resource manager support it

Parameters:

listener - The listener to register

Throws:

IllegalArgumentException - If resource change listeners are not supported

removeResourceChangeListener

void removeResourceChangeListener(ResourceChangeListener listener)

Removes a resource change listener

Parameters:

listener -