org.apache.flink.util

Class FileUtils

java.lang.Object

org.apache.flink.util.FileUtils

public final class FileUtils
extends Object

This is a utility class to deal with temporary files.

Method Summary

Modifier and Type	Method and Description
static String	getRandomFilename(String prefix) Constructs a random filename with the given prefix and a random part generated from hex characters.
static String	readFile(File file, String charsetName)
static String	readFileUtf8(File file)
static void	writeFile(File file, String contents, String encoding)
static void	writeFileUtf8(File file, String contents)

Methods inherited from class java.lang.Object

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

Method Detail

getRandomFilename

public static String getRandomFilename(String prefix)

Constructs a random filename with the given prefix and a random part generated from hex characters.

Parameters:

prefix - the prefix to the filename to be constructed

Returns:

the generated random filename with the given prefix

readFile

public static String readFile(File file,
                              String charsetName)
                       throws IOException

Throws:

IOException

readFileUtf8

public static String readFileUtf8(File file)
                           throws IOException

Throws:

IOException

writeFile

public static void writeFile(File file,
                             String contents,
                             String encoding)
                      throws IOException

Throws:

IOException

writeFileUtf8

public static void writeFileUtf8(File file,
                                 String contents)
                          throws IOException

Throws:

IOException