javatools.filehandlers

Class FileUtils

java.lang.Object

javatools.filehandlers.FileUtils

public class FileUtils
extends Object

Copyright 2016 Johannes Hoffart Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. Some utility methods for files

Constructor Summary

Constructors

Constructor and Description
FileUtils()

Method Summary

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

Creates a BufferedReader for UTF-8-encoded files

Parameters:

file - File in UTF-8 encoding

Returns:

BufferedReader for file

Throws:

FileNotFoundException

IOException

getBufferedUTF8Reader

public static BufferedReader getBufferedUTF8Reader(String fileName)
                                            throws IOException

Creates a BufferedReader for UTF-8-encoded files

Parameters:

fileName - Path to file in UTF-8 encoding

Returns:

BufferedReader for file

Throws:

FileNotFoundException

IOException

getBufferedUTF8Reader

public static BufferedReader getBufferedUTF8Reader(InputStream inputStream)

Creates a BufferedReader the UTF-8-encoded InputStream

Parameters:

inputStream - InputStream in UTF-8 encoding

Returns:

BufferedReader for inputStream

getBufferedUTF8Writer

public static BufferedWriter getBufferedUTF8Writer(File file)
                                            throws FileNotFoundException

Creates a BufferedWriter for UTF-8-encoded files

Parameters:

file - File in UTF-8 encoding

Returns:

BufferedWriter for file

Throws:

FileNotFoundException

getBufferedUTF8Writer

public static BufferedWriter getBufferedUTF8Writer(String fileName)
                                            throws FileNotFoundException

Creates a BufferedWriter for UTF-8-encoded files

Parameters:

fileName - Path to file in UTF-8 encoding

Returns:

BufferedWriter for file

Throws:

FileNotFoundException

getFileContent

public static String getFileContent(File file)
                             throws 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:

IOException

writeFileContent

public static void writeFileContent(File file,
                                    String content)
                             throws IOException

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

Parameters:

file - File to write String content to.

content - Content of file.

Throws:

IOException

verifyOrderedFile

public static boolean verifyOrderedFile(File check,
                                        boolean descending)
                                 throws 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:

IOException

getAllFiles

public static Collection<File> getAllFiles(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(String[] args)
                 throws IOException

Throws:

IOException