Package org.apache.commons.vfs.provider
Class AbstractFileProvider
java.lang.Object
org.apache.commons.vfs.provider.AbstractVfsComponent
org.apache.commons.vfs.provider.AbstractVfsContainer
org.apache.commons.vfs.provider.AbstractFileProvider
- All Implemented Interfaces:
FileProvider
,VfsComponent
- Direct Known Subclasses:
AbstractLayeredFileProvider
,AbstractOriginatingFileProvider
,CompositeFileProvider
,ResourceFileProvider
,TemporaryFileProvider
,UrlFileProvider
A partial
FileProvider
implementation. Takes care of managing the
file systems created by the provider.- Version:
- $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Wed, 29 Nov 2006) $
- Author:
- Adam Murdoch
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected void
addFileSystem
(Comparable key, FileSystem fs) Adds a file system to those cached by this provider.void
close()
Closes the file systems created by this provider.void
closeFileSystem
(FileSystem filesystem) createFileSystem
(String scheme, FileObject file, FileSystemOptions properties) Creates a layered file system.protected FileSystem
findFileSystem
(Comparable key, FileSystemOptions fileSystemProps) Locates a cached file systemvoid
Gets the configbuilder useable to collect the needed fileSystemOptions.protected FileNameParser
Parses an absolute URI.protected void
setFileNameParser
(FileNameParser parser) Methods inherited from class org.apache.commons.vfs.provider.AbstractVfsContainer
addComponent, removeComponent
Methods inherited from class org.apache.commons.vfs.provider.AbstractVfsComponent
getContext, getLogger, init, setContext, setLogger
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.commons.vfs.provider.FileProvider
findFile, getCapabilities
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Constructor Details
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AbstractFileProvider
public AbstractFileProvider()
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Method Details
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getFileNameParser
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setFileNameParser
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close
public void close()Closes the file systems created by this provider.- Specified by:
close
in interfaceVfsComponent
- Overrides:
close
in classAbstractVfsContainer
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createFileSystem
public FileObject createFileSystem(String scheme, FileObject file, FileSystemOptions properties) throws FileSystemException Creates a layered file system. This method throws a 'not supported' exception.- Specified by:
createFileSystem
in interfaceFileProvider
- Parameters:
scheme
- The URI scheme for the layered file system.file
- The file to build the file system on.- Throws:
FileSystemException
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addFileSystem
Adds a file system to those cached by this provider. The file system may implementVfsComponent
, in which case it is initialised.- Throws:
FileSystemException
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findFileSystem
Locates a cached file system- Returns:
- The provider, or null if it is not cached.
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getConfigBuilder
Description copied from interface:FileProvider
Gets the configbuilder useable to collect the needed fileSystemOptions.- Specified by:
getConfigBuilder
in interfaceFileProvider
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freeUnusedResources
public void freeUnusedResources() -
closeFileSystem
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parseUri
Parses an absolute URI.- Specified by:
parseUri
in interfaceFileProvider
- Parameters:
base
- The base file - if null theuri
needs to be absoluteuri
- The URI to parse.- Throws:
FileSystemException
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