Interface ResourceManager
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- 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
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Field Summary
Fields Modifier and Type Field Description static ResourceManager
EMPTY_RESOURCE_MANAGER
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method 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 itvoid
removeResourceChangeListener(ResourceChangeListener listener)
Removes a resource change listener
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Field Detail
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EMPTY_RESOURCE_MANAGER
static final ResourceManager EMPTY_RESOURCE_MANAGER
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Method Detail
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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
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isResourceChangeListenerSupported
boolean isResourceChangeListenerSupported()
- Returns:
true
if a resource change listener is supported
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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
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removeResourceChangeListener
void removeResourceChangeListener(ResourceChangeListener listener)
Removes a resource change listener- Parameters:
listener
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