org.apache.flink.test.util

Class FileUtils

java.lang.Object

org.apache.flink.test.util.FileUtils

public class FileUtils
extends Object

Collection of file-related utilities.

Constructor Summary

Constructors

Constructor and Description
FileUtils()

Method Summary

Modifier and Type	Method and Description
static Path	findFlinkDist()
static void	replace(Path file, Pattern pattern, java.util.function.Function<Matcher,String> replacer) Matches the given Pattern against all lines in the given file, and replaces all matches with the replacement generated by the given Function.

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

replace

public static void replace(Path file,
                           Pattern pattern,
                           java.util.function.Function<Matcher,String> replacer)
                    throws IOException

Matches the given Pattern against all lines in the given file, and replaces all matches with the replacement generated by the given Function. All unmatched lines and provided replacements are written into the file, with the order corresponding to the original content. Newlines are automatically added to each line; this implies that an empty replacement string will result in an empty line to be written.

Throws:

IOException

findFlinkDist

public static Path findFlinkDist()