Class CompressedFileFileProvider
java.lang.Object
org.apache.commons.vfs2.provider.AbstractVfsComponent
org.apache.commons.vfs2.provider.AbstractVfsContainer
org.apache.commons.vfs2.provider.AbstractFileProvider
org.apache.commons.vfs2.provider.AbstractLayeredFileProvider
org.apache.commons.vfs2.provider.compressed.CompressedFileFileProvider
- All Implemented Interfaces:
FileProvider
,VfsComponent
- Direct Known Subclasses:
Bzip2FileProvider
,GzipFileProvider
A file system provider for compressed files. Provides read-only file systems.
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected abstract FileSystem
createFileSystem
(FileName name, FileObject file, FileSystemOptions fileSystemOptions) protected FileSystem
doCreateFileSystem
(String scheme, FileObject file, FileSystemOptions fileSystemOptions) Creates a layered file system.abstract Collection<Capability>
Get the filesystem capabilities.
These are the same as on the filesystem, but available before the first filesystem was instanciated.Methods inherited from class org.apache.commons.vfs2.provider.AbstractLayeredFileProvider
createFileSystem, findFile
Methods inherited from class org.apache.commons.vfs2.provider.AbstractFileProvider
addFileSystem, close, closeFileSystem, findFileSystem, freeUnusedResources, getConfigBuilder, getFileNameParser, parseUri, setFileNameParser
Methods inherited from class org.apache.commons.vfs2.provider.AbstractVfsContainer
addComponent, removeComponent
Methods inherited from class org.apache.commons.vfs2.provider.AbstractVfsComponent
getContext, getLogger, init, setContext, setLogger
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Constructor Details
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CompressedFileFileProvider
public CompressedFileFileProvider()
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Method Details
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doCreateFileSystem
protected FileSystem doCreateFileSystem(String scheme, FileObject file, FileSystemOptions fileSystemOptions) throws FileSystemException Creates a layered file system. This method is called if the file system is not cached.- Specified by:
doCreateFileSystem
in classAbstractLayeredFileProvider
- Parameters:
scheme
- The URI scheme.file
- The file to create the file system on top of.fileSystemOptions
- options for new and underlying file systems.- Returns:
- The file system.
- Throws:
FileSystemException
- if the file system cannot be created.
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createFileSystem
protected abstract FileSystem createFileSystem(FileName name, FileObject file, FileSystemOptions fileSystemOptions) throws FileSystemException - Throws:
FileSystemException
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getCapabilities
Description copied from interface:FileProvider
Get the filesystem capabilities.
These are the same as on the filesystem, but available before the first filesystem was instanciated.- Returns:
- a Collection of the file systems Capabilities.
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