Package hec.map.tms.datasource.filesystem.zipfile

Class ZipFileFileSystem

java.lang.Object

hec.map.tms.datasource.filesystem.zipfile.ZipFileFileSystem

All Implemented Interfaces:

FileSystem

public class ZipFileFileSystem
extends Object
implements FileSystem

Represents a file system for a Zip File. Files that are requested are unzipped and copied to a temp directory. The same hierarchy in the zip file is recreated in the temp directory.

Constructor Summary

Constructors

Constructor	Description
ZipFileFileSystem(File f)

Method Summary

Modifier and Type	Method	Description
boolean	close()	Closes the file system
boolean	exists(String path)	Returns true if the file exists and false if it does not.
FileChannel	getFileChannel(String path)	Returns a FileChannel for the given path specified.

Methods inherited from class java.lang.Object

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

Constructor Details

ZipFileFileSystem

public ZipFileFileSystem(File f)

Method Details

getFileChannel

public FileChannel getFileChannel(String path)

Description copied from interface: FileSystem

Returns a FileChannel for the given path specified. If the path is relative, it will begin from the root of the File System. Null is returned if the file path does not exist.

Specified by:

getFileChannel in interface FileSystem

Returns:

exists

public boolean exists(String path)

Description copied from interface: FileSystem

Returns true if the file exists and false if it does not.

Specified by:

exists in interface FileSystem

Returns:

close

public boolean close()
              throws IOException

Description copied from interface: FileSystem

Closes the file system

Specified by:

close in interface FileSystem

Returns:

Throws:

IOException