org.mariuszgromada.math.janetsudoku.utils

Class FileX

java.lang.Object

org.mariuszgromada.math.janetsudoku.utils.FileX

public final class FileX
extends Object

Class implements general purpose methods helping to work File object.

Version:

1.0.0

Author:

Mariusz Gromada
mariuszgromada.org@gmail.com
Janet Sudoku - project web page
MathSpace.pl
MathParser.org - mXparser project page
Janet Sudoku on GitHub
Janet Sudoku on CodePlex
Janet Sudoku on SourceForge
Janet Sudoku on BitBucket
mXparser-MathParser.org on GitHub

Constructor Summary

Constructors

Constructor and Description
FileX()

Method Summary

Methods

Modifier and Type	Method and Description
static String	genRndFileName(int length, String fileExt) Generates random file name.
static String	getTmpDir() Returns temporary directory location.
static String	randomString(int length) Random string generator.
static ArrayList<String>	readFileLines2ArraList(File file) Reads file lines into separate strings stored in ArrayList.
static ArrayList<String>	readFileLines2ArraList(String filePath) Reads file lines into separate strings stored in ArrayList.
static boolean	removeFile(String filePath) Removes file denoted as file path.
static boolean	writeFile(File file, String content) Writes the given string into the the given file, previous file content will be overwritten.
static boolean	writeFile(String filePath, String content) Writes the given string into the the given file, previous file content will be overwritten.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileX

public FileX()

Method Detail

readFileLines2ArraList

public static final ArrayList<String> readFileLines2ArraList(File file)

Reads file lines into separate strings stored in ArrayList.

Parameters:

file - File object containing file definition.

Returns:

If file reading was successful returns ArrayList String containing each lines from the file content, otherwise returns null. Method do not throws IOException.

readFileLines2ArraList

public static final ArrayList<String> readFileLines2ArraList(String filePath)

Reads file lines into separate strings stored in ArrayList.

Parameters:

filePath - Full path to the file.

Returns:

If file reading was successful returns ArrayList String containing each lines from the file content, otherwise returns null. Method do not throws IOException.

writeFile

public static boolean writeFile(File file,
                String content)

Writes the given string into the the given file, previous file content will be overwritten.

Parameters:

file - File object containing file definition.

content - String containing content to be written.

Returns:

True if write was successful, otherwise returns false. Method do not throws IOException.

writeFile

public static boolean writeFile(String filePath,
                String content)

Writes the given string into the the given file, previous file content will be overwritten.

Parameters:

filePath - Full path to the file.

content - String containing content to be written.

Returns:

True if write was successful, otherwise returns false. Method do not throws IOException.

removeFile

public static final boolean removeFile(String filePath)

Removes file denoted as file path.

Parameters:

filePath - File pathname.

Returns:

True if file was removed, false otherwise.

getTmpDir

public static final String getTmpDir()

Returns temporary directory location.

Returns:

Temporary directory location.

genRndFileName

public static final String genRndFileName(int length,
                    String fileExt)

Generates random file name.

Parameters:

length - File name length (without extension).

fileExt - File extension.

Returns:

Random file name containing a-zA-Z0-9.

randomString

public static final String randomString(int length)

Random string generator.

Parameters:

length - Length of random string.

Returns:

Random string containing a-zA-Z0-9.