public class StdInOutFileSystem extends Object implements FileSystem
Constructor and Description |
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StdInOutFileSystem() |
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()
capabilities of the filesystem
|
boolean |
delete(String filename)
delete the named file
|
boolean |
deleteOnExit(String pathname)
delete the file after the JVM exits
|
boolean |
exists(String filename)
returns true if the path exists
|
String |
getParent(String path)
whats the parent path to this path - eg directory containing a file
|
boolean |
isDirectory(String path)
returns true if path is a directory
|
long |
length(String filename)
returns the length of the specified file
|
String[] |
list(String path)
list contents of a directory etc
|
boolean |
mkdir(String filename)
mkdir the specified path
|
String |
name()
returns a name for the filesystem
|
RandomDataInput |
openFileRandom(String filename)
open a file for random input
|
InputStream |
openFileStream(String filename)
open a file of given filename for readinng
|
boolean |
rename(String source,
String destination)
rename a file/dir to another name, on the same file system
|
String[] |
schemes()
URI schemes supported by this class
|
RandomDataOutput |
writeFileRandom(String filename)
open a file of given filename for random writing
|
OutputStream |
writeFileStream(String filename)
open a file of given filename for writing
|
public static final String SCHEME
public String name()
FileSystem
name
in interface FileSystem
public byte capabilities()
FileSystem
capabilities
in interface FileSystem
public String[] schemes()
FileSystem
schemes
in interface FileSystem
public boolean exists(String filename) throws IOException
FileSystem
exists
in interface FileSystem
IOException
public boolean canRead(String filename) throws IOException
FileSystem
canRead
in interface FileSystem
IOException
public boolean canWrite(String filename) throws IOException
FileSystem
canWrite
in interface FileSystem
IOException
public InputStream openFileStream(String filename) throws IOException
FileSystem
openFileStream
in interface FileSystem
IOException
public RandomDataInput openFileRandom(String filename) throws IOException
FileSystem
openFileRandom
in interface FileSystem
IOException
public OutputStream writeFileStream(String filename) throws IOException
FileSystem
writeFileStream
in interface FileSystem
IOException
public RandomDataOutput writeFileRandom(String filename) throws IOException
FileSystem
writeFileRandom
in interface FileSystem
IOException
public boolean delete(String filename) throws IOException
FileSystem
delete
in interface FileSystem
IOException
public boolean deleteOnExit(String pathname) throws IOException
FileSystem
deleteOnExit
in interface FileSystem
IOException
public boolean mkdir(String filename) throws IOException
FileSystem
mkdir
in interface FileSystem
IOException
public long length(String filename) throws IOException
FileSystem
length
in interface FileSystem
IOException
public boolean isDirectory(String path) throws IOException
FileSystem
isDirectory
in interface FileSystem
IOException
public boolean rename(String source, String destination) throws IOException
FileSystem
rename
in interface FileSystem
IOException
public String getParent(String path) throws IOException
FileSystem
getParent
in interface FileSystem
IOException
public String[] list(String path) throws IOException
FileSystem
list
in interface FileSystem
IOException
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