All Implemented Interfaces:

Serializable, Comparable<File>
```
public class GridFile
extends File
```
Subclass of File to iterate through directories and files in a grid

Author:

Bela Ban, Marko Luksa

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class GridFile.Metadata

Field Summary
- Fields inherited from class java.io.File
  pathSeparator, pathSeparatorChar, separator, separatorChar

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected String[]`	`_list(Object filter)`
`protected File[]`	`_listFiles(Object filter)`
`boolean`	`canExecute()`
`boolean`	`canRead()`
`boolean`	`canWrite()`
`protected boolean`	`checkParentDirs(String path, boolean createIfAbsent)`	Checks whether the parent directories are present (and are directories).
`int`	`compareTo(File file)`
`boolean`	`createNewFile()`
`boolean`	`delete()`
`void`	`deleteOnExit()`
`boolean`	`equals(Object obj)`
`boolean`	`exists()`
`protected static String`	`filename(String fullPath)`
`File`	`getAbsoluteFile()`
`String`	`getAbsolutePath()`
`File`	`getCanonicalFile()`
`String`	`getCanonicalPath()`
`int`	`getChunkSize()`	Guaranteed to be a power of two
`long`	`getFreeSpace()`
`String`	`getName()`
`String`	`getParent()`
`File`	`getParentFile()`
`String`	`getPath()`	Returns path of this file.
`long`	`getTotalSpace()`
`long`	`getUsableSpace()`
`int`	`hashCode()`
`protected void`	`initChunkSizeFromMetadata()`
`boolean`	`isAbsolute()`
`protected static boolean`	`isChildOf(String parent, String child)`	Verifies whether child is a child (dir or file) of parent
`boolean`	`isDirectory()`
`boolean`	`isFile()`
`boolean`	`isHidden()`
`long`	`lastModified()`
`long`	`length()`
`String[]`	`list()`
`String[]`	`list(FilenameFilter filter)`
`File[]`	`listFiles()`
`File[]`	`listFiles(FileFilter filter)`
`File[]`	`listFiles(FilenameFilter filter)`
`boolean`	`mkdir()`
`boolean`	`mkdirs()`
`boolean`	`renameTo(File dest)`
`boolean`	`setExecutable(boolean executable)`
`boolean`	`setExecutable(boolean executable, boolean ownerOnly)`
`boolean`	`setLastModified(long time)`
`boolean`	`setReadable(boolean readable)`
`boolean`	`setReadable(boolean readable, boolean ownerOnly)`
`boolean`	`setReadOnly()`
`boolean`	`setWritable(boolean writable)`
`boolean`	`setWritable(boolean writable, boolean ownerOnly)`
`String`	`toString()`
`URI`	`toURI()`
`URL`	`toURL()`

Methods inherited from class java.io.File
createTempFile, createTempFile, listRoots, toPath

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Method Detail
  - getName
```
public String getName()
```
    Overrides:
    
    getName in class File
  - getPath
```
public String getPath()
```
    Returns path of this file. To avoid issues arising from file separator differences between different operative systems, the path returned always uses Unix-like path separator, '/' character. Any client code calling this method should bear that if disecting the path.
    
    Overrides:
    
    getPath in class File
    
    Returns:
    
    String containing path of file.
  - getAbsolutePath
```
public String getAbsolutePath()
```
    Overrides:
    
    getAbsolutePath in class File
  - getAbsoluteFile
```
public File getAbsoluteFile()
```
    Overrides:
    
    getAbsoluteFile in class File
  - getCanonicalPath
```
public String getCanonicalPath()
                        throws IOException
```
    Overrides:
    
    getCanonicalPath in class File
    
    Throws:
    
    IOException
  - getCanonicalFile
```
public File getCanonicalFile()
                      throws IOException
```
    Overrides:
    
    getCanonicalFile in class File
    
    Throws:
    
    IOException
  - isAbsolute
```
public boolean isAbsolute()
```
    Overrides:
    
    isAbsolute in class File
  - renameTo
```
public boolean renameTo(File dest)
```
    Overrides:
    
    renameTo in class File
  - deleteOnExit
```
public void deleteOnExit()
```
    Overrides:
    
    deleteOnExit in class File
  - length
```
public long length()
```
    Overrides:
    
    length in class File
  - getChunkSize
```
public int getChunkSize()
```
    Guaranteed to be a power of two
  - createNewFile
```
public boolean createNewFile()
                      throws IOException
```
    Overrides:
    
    createNewFile in class File
    
    Throws:
    
    IOException
  - delete
```
public boolean delete()
```
    Overrides:
    
    delete in class File
  - mkdir
```
public boolean mkdir()
```
    Overrides:
    
    mkdir in class File
  - mkdirs
```
public boolean mkdirs()
```
    Overrides:
    
    mkdirs in class File
  - exists
```
public boolean exists()
```
    Overrides:
    
    exists in class File
  - getParent
```
public String getParent()
```
    Overrides:
    
    getParent in class File
  - getParentFile
```
public File getParentFile()
```
    Overrides:
    
    getParentFile in class File
  - lastModified
```
public long lastModified()
```
    Overrides:
    
    lastModified in class File
  - setLastModified
```
public boolean setLastModified(long time)
```
    Overrides:
    
    setLastModified in class File
  - list
```
public String[] list()
```
    Overrides:
    
    list in class File
  - list
```
public String[] list(FilenameFilter filter)
```
    Overrides:
    
    list in class File
  - listFiles
```
public File[] listFiles()
```
    Overrides:
    
    listFiles in class File
  - listFiles
```
public File[] listFiles(FilenameFilter filter)
```
    Overrides:
    
    listFiles in class File
  - listFiles
```
public File[] listFiles(FileFilter filter)
```
    Overrides:
    
    listFiles in class File
  - isDirectory
```
public boolean isDirectory()
```
    Overrides:
    
    isDirectory in class File
  - isFile
```
public boolean isFile()
```
    Overrides:
    
    isFile in class File
  - initChunkSizeFromMetadata
```
protected void initChunkSizeFromMetadata()
```
  - _listFiles
```
protected File[] _listFiles(Object filter)
```
  - _list
```
protected String[] _list(Object filter)
```
  - isChildOf
```
protected static boolean isChildOf(String parent,
                                   String child)
```
    Verifies whether child is a child (dir or file) of parent
    
    Parameters:
    
    parent -
    
    child -
    
    Returns:
    
    True if child is a child, false otherwise
  - filename
```
protected static String filename(String fullPath)
```
  - checkParentDirs
```
protected boolean checkParentDirs(String path,
                                  boolean createIfAbsent)
                           throws IOException
```
    Checks whether the parent directories are present (and are directories). If createIfAbsent is true, creates missing dirs
    
    Parameters:
    
    path -
    
    createIfAbsent -
    
    Returns:
    
    Throws:
    
    IOException
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class File
  - canRead
```
public boolean canRead()
```
    Overrides:
    
    canRead in class File
  - canWrite
```
public boolean canWrite()
```
    Overrides:
    
    canWrite in class File
  - isHidden
```
public boolean isHidden()
```
    Overrides:
    
    isHidden in class File
  - canExecute
```
public boolean canExecute()
```
    Overrides:
    
    canExecute in class File
  - compareTo
```
public int compareTo(File file)
```
    Specified by:
    
    compareTo in interface Comparable<File>
    
    Overrides:
    
    compareTo in class File
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class File
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class File
  - toURL
```
public URL toURL()
          throws MalformedURLException
```
    Overrides:
    
    toURL in class File
    
    Throws:
    
    MalformedURLException
  - toURI
```
public URI toURI()
```
    Overrides:
    
    toURI in class File
  - setReadOnly
```
public boolean setReadOnly()
```
    Overrides:
    
    setReadOnly in class File
  - setWritable
```
public boolean setWritable(boolean writable,
                           boolean ownerOnly)
```
    Overrides:
    
    setWritable in class File
  - setWritable
```
public boolean setWritable(boolean writable)
```
    Overrides:
    
    setWritable in class File
  - setReadable
```
public boolean setReadable(boolean readable,
                           boolean ownerOnly)
```
    Overrides:
    
    setReadable in class File
  - setReadable
```
public boolean setReadable(boolean readable)
```
    Overrides:
    
    setReadable in class File
  - setExecutable
```
public boolean setExecutable(boolean executable,
                             boolean ownerOnly)
```
    Overrides:
    
    setExecutable in class File
  - setExecutable
```
public boolean setExecutable(boolean executable)
```
    Overrides:
    
    setExecutable in class File
  - getTotalSpace
```
public long getTotalSpace()
```
    Overrides:
    
    getTotalSpace in class File
  - getFreeSpace
```
public long getFreeSpace()
```
    Overrides:
    
    getFreeSpace in class File
  - getUsableSpace
```
public long getUsableSpace()
```
    Overrides:
    
    getUsableSpace in class File

Class GridFile

Nested Class Summary

Field Summary

Fields inherited from class java.io.File

Method Summary

Methods inherited from class java.io.File

Methods inherited from class java.lang.Object

Method Detail

getName

getPath

getAbsolutePath

getAbsoluteFile

getCanonicalPath

getCanonicalFile

isAbsolute

renameTo

deleteOnExit

length

getChunkSize

createNewFile

delete

mkdir

mkdirs

exists

getParent

getParentFile

lastModified

setLastModified

list

list

listFiles

listFiles

listFiles

isDirectory

isFile

initChunkSizeFromMetadata

_listFiles

_list

isChildOf

filename

checkParentDirs

equals

canRead

canWrite

isHidden

canExecute

compareTo

hashCode

toString

toURL

toURI

setReadOnly

setWritable

setWritable

setReadable

setReadable

setExecutable

setExecutable

getTotalSpace

getFreeSpace

getUsableSpace