public class LocalFileSystem extends Object implements FileSystem, Files.FSCapability
On Windows, this FileSystem also advertises support for all the single-letter file systems, eg A:, C:, D:
Modifier and Type | Class and Description |
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protected static class |
LocalFileSystem.LocalRandomAccessFile
A file that supports random access
|
DEL_ON_EXIT, LS_DIR, RANDOM_READ, RANDOM_WRITE, READ, STAT, WRITE
Constructor and Description |
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LocalFileSystem() |
Modifier and Type | Method and Description |
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boolean |
canRead(String filename)
returns true if filename can be read
|
boolean |
canWrite(String filename)
returns true if filename can be written to
|
byte |
capabilities()
Get the capabilities of the file system
|
boolean |
delete(String filename)
Delete a file
|
boolean |
deleteOnExit(String pathname)
Delete the file on program exit
|
boolean |
exists(String filename)
Does the file exist?
|
String |
getParent(String path)
whats the parent path to this path - eg directory containing a file
|
boolean |
isDirectory(String path)
Does the path point to a directory
|
long |
length(String filename)
What is the length of the file?
|
String[] |
list(String path)
list contents of a directory etc
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boolean |
mkdir(String filename)
Make a directory
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String |
name()
Get the name of the file system
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protected String |
normalise(String filename) |
RandomDataInput |
openFileRandom(String filename)
Opens an input random access file
|
InputStream |
openFileStream(String filename)
Opens an input file
|
boolean |
rename(String source,
String destination)
rename a file/dir to another name, on the same file system
|
String[] |
schemes()
Get the schemes
|
RandomDataOutput |
writeFileRandom(String filename)
Opens a writable random access file
|
OutputStream |
writeFileStream(String filename)
Opens an output file
|
public String name()
name
in interface FileSystem
public byte capabilities()
capabilities
in interface FileSystem
public String[] schemes()
schemes
in interface FileSystem
public boolean exists(String filename)
exists
in interface FileSystem
public boolean canRead(String filename)
canRead
in interface FileSystem
public boolean canWrite(String filename)
canWrite
in interface FileSystem
public InputStream openFileStream(String filename) throws IOException
openFileStream
in interface FileSystem
IOException
public OutputStream writeFileStream(String filename) throws IOException
writeFileStream
in interface FileSystem
IOException
public RandomDataInput openFileRandom(String filename) throws IOException
openFileRandom
in interface FileSystem
IOException
public RandomDataOutput writeFileRandom(String filename) throws IOException
writeFileRandom
in interface FileSystem
IOException
public boolean delete(String filename)
delete
in interface FileSystem
public boolean deleteOnExit(String pathname) throws IOException
deleteOnExit
in interface FileSystem
IOException
public boolean mkdir(String filename)
mkdir
in interface FileSystem
public boolean isDirectory(String path)
isDirectory
in interface FileSystem
public long length(String filename)
length
in interface FileSystem
public boolean rename(String source, String destination) throws IOException
rename
in interface FileSystem
IOException
public String getParent(String path) throws IOException
getParent
in interface FileSystem
IOException
public String[] list(String path) throws IOException
list
in interface FileSystem
IOException
Terrier 4.0. Copyright © 2004-2014 University of Glasgow