info.ephyra.util
Class FileUtils

java.lang.Object
  info.ephyra.util.FileUtils

public class FileUtils
extends java.lang.Object

A collection of file system related utilities.

Version:

2007-05-05

Author:

Nico Schlaefer

Constructor Summary

FileUtils()

Method Summary

static java.io.File[]	getFiles(java.lang.String dir) Returns the files in the given directory (only normal files, no subdirectories).
private static void	getFilesRec(java.io.File dir, java.util.ArrayList<java.io.File> files) Recursively browses a directory and its subdirectories for files.
static java.io.File[]	getFilesRec(java.lang.String dir) Returns the files in the given directory and its subdirectories.
static java.lang.String[]	getSubDirs(java.lang.String dir) Returns the subdirectories of the given directory.
static java.lang.String[]	getVisibleSubDirs(java.lang.String dir) Returns the visible subdirectories of the given directory.
static java.lang.Object	readSerialized(java.io.File input) Reads a serialized object from a file.
static java.lang.String	readString(java.io.File input, java.lang.String encoding) Reads a string from a file, using the given encoding.
static void	writeSerialized(java.lang.Object o, java.io.File output) Writes a serialized object to a file.
static void	writeString(java.lang.String s, java.io.File output, java.lang.String encoding) Writes a string to a file, using the given encoding.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtils

public FileUtils()

Method Detail

getFiles

public static java.io.File[] getFiles(java.lang.String dir)

Returns the files in the given directory (only normal files, no subdirectories).

Parameters:

dir - a directory

Returns:

files in the directory

getFilesRec

public static java.io.File[] getFilesRec(java.lang.String dir)

Returns the files in the given directory and its subdirectories.

Parameters:

dir - a directory

Returns:

files in the directory and subdirectories

getFilesRec

private static void getFilesRec(java.io.File dir,
                                java.util.ArrayList<java.io.File> files)

Recursively browses a directory and its subdirectories for files.

Parameters:

dir - a directory

getSubDirs

public static java.lang.String[] getSubDirs(java.lang.String dir)

Returns the subdirectories of the given directory.

Parameters:

dir - a directory

Returns:

subdirectories

getVisibleSubDirs

public static java.lang.String[] getVisibleSubDirs(java.lang.String dir)

Returns the visible subdirectories of the given directory.

Parameters:

dir - a directory

Returns:

visible subdirectories

readString

public static java.lang.String readString(java.io.File input,
                                          java.lang.String encoding)
                                   throws java.io.IOException

Reads a string from a file, using the given encoding.

Parameters:

input - input file

encoding - file encoding

Returns:

string

Throws:

java.io.IOException

writeString

public static void writeString(java.lang.String s,
                               java.io.File output,
                               java.lang.String encoding)
                        throws java.io.IOException

Writes a string to a file, using the given encoding. An existing file is overwritten.

Parameters:

s - string

output - output file

encoding - file encoding

Throws:

java.io.IOException

readSerialized

public static java.lang.Object readSerialized(java.io.File input)
                                       throws java.io.IOException,
                                              java.lang.ClassNotFoundException

Reads a serialized object from a file.

Parameters:

input - input file

Returns:

object

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeSerialized

public static void writeSerialized(java.lang.Object o,
                                   java.io.File output)
                            throws java.io.IOException

Writes a serialized object to a file.

Parameters:

o - object

output - output file

Throws:

java.io.IOException