javatools.util

Class FileUtils

java.lang.Object

javatools.util.FileUtils

public class FileUtils
extends java.lang.Object

This class is part of the Java Tools (see http://mpii.de/yago-naga/javatools). It is licensed under the Creative Commons Attribution License (see http://creativecommons.org/licenses/by/3.0) by the YAGO-NAGA team (see http://mpii.de/yago-naga) Some utility methods for arrays

Constructor Summary

Constructors

Constructor and Description
FileUtils()

Method Summary

Modifier and Type	Method and Description
static java.util.Collection<java.io.File>	getAllFiles(java.io.File directory) Collects all non-directory files in the given input directory (recursively).
static java.io.BufferedReader	getBufferedUTF8Reader(java.io.File file) Creates a BufferedReader for UTF-8-encoded files
static java.io.BufferedReader	getBufferedUTF8Reader(java.io.InputStream inputStream) Creates a BufferedReader the UTF-8-encoded InputStream
static java.io.BufferedReader	getBufferedUTF8Reader(java.lang.String fileName) Creates a BufferedReader for UTF-8-encoded files
static java.io.BufferedWriter	getBufferedUTF8Writer(java.io.File file) Creates a BufferedWriter for UTF-8-encoded files
static java.io.BufferedWriter	getBufferedUTF8Writer(java.lang.String fileName) Creates a BufferedWriter for UTF-8-encoded files
static java.lang.String	getFileContent(java.io.File file) Returns the content of the (UTF-8 encoded) file as string.
static void	main(java.lang.String[] args)
static boolean	verifyOrderedFile(java.io.File check, boolean descending) Verifies that a file is lexicographically order (ascending or descending)
static void	writeFileContent(java.io.File file, java.lang.String content) Writes the content of the string to the (UTF-8 encoded) file.

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

getBufferedUTF8Reader

public static java.io.BufferedReader getBufferedUTF8Reader(java.io.File file)
                                                    throws java.io.FileNotFoundException

Creates a BufferedReader for UTF-8-encoded files

Parameters:

file - File in UTF-8 encoding

Returns:

BufferedReader for file

Throws:

java.io.FileNotFoundException

getBufferedUTF8Reader

public static java.io.BufferedReader getBufferedUTF8Reader(java.lang.String fileName)
                                                    throws java.io.FileNotFoundException

Creates a BufferedReader for UTF-8-encoded files

Parameters:

fileName - Path to file in UTF-8 encoding

Returns:

BufferedReader for file

Throws:

java.io.FileNotFoundException

getBufferedUTF8Reader

public static java.io.BufferedReader getBufferedUTF8Reader(java.io.InputStream inputStream)

Creates a BufferedReader the UTF-8-encoded InputStream

Parameters:

inputStream - InputStream in UTF-8 encoding

Returns:

BufferedReader for inputStream

getBufferedUTF8Writer

public static java.io.BufferedWriter getBufferedUTF8Writer(java.io.File file)
                                                    throws java.io.FileNotFoundException

Creates a BufferedWriter for UTF-8-encoded files

Parameters:

file - File in UTF-8 encoding

Returns:

BufferedWriter for file

Throws:

java.io.FileNotFoundException

getBufferedUTF8Writer

public static java.io.BufferedWriter getBufferedUTF8Writer(java.lang.String fileName)
                                                    throws java.io.FileNotFoundException

Creates a BufferedWriter for UTF-8-encoded files

Parameters:

fileName - Path to file in UTF-8 encoding

Returns:

BufferedWriter for file

Throws:

java.io.FileNotFoundException

getFileContent

public static java.lang.String getFileContent(java.io.File file)
                                       throws java.io.IOException

Returns the content of the (UTF-8 encoded) file as string. Linebreaks are encoded as unix newlines (\n)

Parameters:

file - File to get String content from

Returns:

String content of file.

Throws:

java.io.IOException

writeFileContent

public static void writeFileContent(java.io.File file,
                                    java.lang.String content)
                             throws java.io.IOException

Writes the content of the string to the (UTF-8 encoded) file.

Parameters:

file - File to write String content to.

Throws:

java.io.IOException

verifyOrderedFile

public static boolean verifyOrderedFile(java.io.File check,
                                        boolean descending)
                                 throws java.io.IOException

Verifies that a file is lexicographically order (ascending or descending)

Parameters:

check - File to check

descending - true if ordering should be descending, false if it should be ascending

Returns:

true if file is order, false otherwise

Throws:

java.io.IOException

getAllFiles

public static java.util.Collection<java.io.File> getAllFiles(java.io.File directory)

Collects all non-directory files in the given input directory (recursively).

Parameters:

directory - Input directory.

Returns:

All non-directory files, recursively.

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException