edu.rice.cs.util
Class FileOps.NullFile

java.lang.Object
  java.io.File
      edu.rice.cs.util.FileOps.NullFile

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<java.io.File>

Enclosing class:

FileOps

public static class FileOps.NullFile
extends java.io.File

A singleton null file class. There is a separate NullFile class in this package. TODO: merge these two classes. This class is used for all NullFile.ONLY references while the other is used for distinct untitled documents. Both appear to define the same notion of equality.

See Also:

Serialized Form

Field Summary

static FileOps.NullFile

ONLY

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

private

FileOps.NullFile()

Method Summary

boolean	canRead()
boolean	canWrite()
int	compareTo(java.io.File f)
boolean	createNewFile()
boolean	delete()
void	deleteOnExit()
boolean	equals(java.lang.Object o)
boolean	exists()
java.io.File	getAbsoluteFile()
java.lang.String	getAbsolutePath()
java.io.File	getCanonicalFile()
java.lang.String	getCanonicalPath()
java.lang.String	getName()
java.lang.String	getParent()
java.io.File	getParentFile()
java.lang.String	getPath()
int	hashCode()
boolean	isAbsolute()
boolean	isDirectory()
boolean	isFile()
boolean	isHidden()
long	lastModified()
long	length()
java.lang.String[]	list()
java.lang.String[]	list(java.io.FilenameFilter filter)
java.io.File[]	listFiles()
java.io.File[]	listFiles(java.io.FileFilter filter)
java.io.File[]	listFiles(java.io.FilenameFilter filter)
boolean	mkdir()
boolean	mkdirs()
boolean	renameTo(java.io.File dest)
boolean	setLastModified(long time)
boolean	setReadOnly()
java.lang.String	toString()

Methods inherited from class java.io.File

canExecute, createTempFile, createTempFile, getFreeSpace, getTotalSpace, getUsableSpace, listRoots, setExecutable, setExecutable, setReadable, setReadable, setWritable, setWritable, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ONLY

public static final FileOps.NullFile ONLY

Constructor Detail

FileOps.NullFile

private FileOps.NullFile()

Method Detail

canRead

public boolean canRead()

Overrides:

canRead in class java.io.File

canWrite

public boolean canWrite()

Overrides:

canWrite in class java.io.File

compareTo

public int compareTo(java.io.File f)

Specified by:

compareTo in interface java.lang.Comparable<java.io.File>

Overrides:

compareTo in class java.io.File

createNewFile

public boolean createNewFile()

Overrides:

createNewFile in class java.io.File

delete

public boolean delete()

Overrides:

delete in class java.io.File

deleteOnExit

public void deleteOnExit()

Overrides:

deleteOnExit in class java.io.File

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.io.File

exists

public boolean exists()

Overrides:

exists in class java.io.File

hashCode

public int hashCode()

Overrides:

hashCode in class java.io.File

getAbsoluteFile

public java.io.File getAbsoluteFile()

Overrides:

getAbsoluteFile in class java.io.File

getAbsolutePath

public java.lang.String getAbsolutePath()

Overrides:

getAbsolutePath in class java.io.File

getCanonicalFile

public java.io.File getCanonicalFile()

Overrides:

getCanonicalFile in class java.io.File

getCanonicalPath

public java.lang.String getCanonicalPath()

Overrides:

getCanonicalPath in class java.io.File

getName

public java.lang.String getName()

Overrides:

getName in class java.io.File

getParent

public java.lang.String getParent()

Overrides:

getParent in class java.io.File

getParentFile

public java.io.File getParentFile()

Overrides:

getParentFile in class java.io.File

getPath

public java.lang.String getPath()

Overrides:

getPath in class java.io.File

isAbsolute

public boolean isAbsolute()

Overrides:

isAbsolute in class java.io.File

isDirectory

public boolean isDirectory()

Overrides:

isDirectory in class java.io.File

isFile

public boolean isFile()

Overrides:

isFile in class java.io.File

isHidden

public boolean isHidden()

Overrides:

isHidden in class java.io.File

lastModified

public long lastModified()

Overrides:

lastModified in class java.io.File

length

public long length()

Overrides:

length in class java.io.File

list

public java.lang.String[] list()

Overrides:

list in class java.io.File

list

public java.lang.String[] list(java.io.FilenameFilter filter)

Overrides:

list in class java.io.File

listFiles

public java.io.File[] listFiles()

Overrides:

listFiles in class java.io.File

listFiles

public java.io.File[] listFiles(java.io.FileFilter filter)

Overrides:

listFiles in class java.io.File

listFiles

public java.io.File[] listFiles(java.io.FilenameFilter filter)

Overrides:

listFiles in class java.io.File

mkdir

public boolean mkdir()

Overrides:

mkdir in class java.io.File

mkdirs

public boolean mkdirs()

Overrides:

mkdirs in class java.io.File

renameTo

public boolean renameTo(java.io.File dest)

Overrides:

renameTo in class java.io.File

setLastModified

public boolean setLastModified(long time)

Overrides:

setLastModified in class java.io.File

setReadOnly

public boolean setReadOnly()

Overrides:

setReadOnly in class java.io.File

toString

public java.lang.String toString()

Overrides:

toString in class java.io.File