org.das2.util.filesystem

Class ZipFileSystem

java.lang.Object

org.das2.util.filesystem.FileSystem

org.das2.util.filesystem.ZipFileSystem

public class ZipFileSystem
extends FileSystem

A filesystem to read data from zip files.

Nested Class Summary

Nested classes/interfaces inherited from class org.das2.util.filesystem.FileSystem

FileSystem.DirectoryEntry, FileSystem.FileSystemOfflineException

Field Summary

Fields inherited from class org.das2.util.filesystem.FileSystem

logger, loggerUrl, NULL, PROP_CASE_INSENSITIVE, properties

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ZipFileSystem(java.net.URI root)

Method Summary

Modifier and Type	Method and Description
FileObject	getFileObject(java.lang.String filename) return the FileObject that corresponds to the name.
java.io.File	getLocalRoot() return the folder that is a local copy of the filesystem.
protected java.util.zip.ZipFile	getZipFile()
boolean	isDirectory(java.lang.String filename) return true if the name is a directory.
java.lang.String[]	listDirectory(java.lang.String directory) returns a list of the names of the files in a directory.
java.lang.String[]	listDirectory(java.lang.String directory, java.lang.String regex) returns a list of the names of the files in a directory that match regex.
java.lang.String	toString()

Methods inherited from class org.das2.util.filesystem.FileSystem

create, create, create, create, create, create, createFileSystem, getExceptionHandler, getListing, getListing, getProperty, getRootURI, listDirectory, listDirectory, listDirectoryDeep, peek, peekInstances, recreate, recreate, registerFileSystemFactory, reset, reset, setExceptionHandler, settings, splitUrl, toCanonicalFilename, toCanonicalFolderName, toCanonicalFolderName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ZipFileSystem

protected ZipFileSystem(java.net.URI root)
                 throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getZipFile

protected java.util.zip.ZipFile getZipFile()

getFileObject

public FileObject getFileObject(java.lang.String filename)

Description copied from class: FileSystem

return the FileObject that corresponds to the name.

Specified by:

getFileObject in class FileSystem

Parameters:

filename - the file name within the filesystem

Returns:

the FileObject

isDirectory

public boolean isDirectory(java.lang.String filename)
                    throws java.io.IOException

Description copied from class: FileSystem

return true if the name is a directory.

Specified by:

isDirectory in class FileSystem

Parameters:

filename - the name

Returns:

true if the name is a directory.

Throws:

java.io.IOException

listDirectory

public java.lang.String[] listDirectory(java.lang.String directory)
                                 throws java.io.IOException

Description copied from class: FileSystem

returns a list of the names of the files in a directory. Names ending in "/" are themselves directories, and the "/" is not part of the name. This is optional, and a directory may or may not be tagged with the trailing slash.

Specified by:

listDirectory in class FileSystem

Parameters:

directory - the directory name within the filesystem.

Returns:

list of files and folders within the filesystem.

Throws:

java.io.IOException

listDirectory

public java.lang.String[] listDirectory(java.lang.String directory,
                                        java.lang.String regex)
                                 throws java.io.IOException

Description copied from class: FileSystem

returns a list of the names of the files in a directory that match regex. Trailing slashes on directory names are not part of the name and need not be part of the regex. Note regex is a regular expression (.*\.dat), not a glob (*.dat)

Specified by:

listDirectory in class FileSystem

Parameters:

directory - the directory

regex - regular expression

Returns:

Throws:

java.io.IOException

getLocalRoot

public java.io.File getLocalRoot()

Description copied from class: FileSystem

return the folder that is a local copy of the filesystem. For LocalFilesystem, this is the same as the filesystem. For remote filesystems, this is a folder within their home directory. Note File.getAbsolutePath() returns the string representation of this root.

Specified by:

getLocalRoot in class FileSystem

Returns:

the folder that is a local copy of the filesystem.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object