Package eu.mrapik.minecraftservermcp.util

Class LogFileTail

java.lang.Object

eu.mrapik.minecraftservermcp.util.LogFileTail

public final class LogFileTail
extends Object

Reads the tail of a UTF-8 text file without loading the whole file into memory.

Method Summary

Modifier and Type	Method	Description
static String	readTail(Path file, int maxBytes, int maxLines)	Reads at most maxBytes from the end of the file, then keeps at most maxLines lines (counting newlines).

Methods inherited from class java.lang.Object

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

Method Details

readTail

public static String readTail(Path file,
 int maxBytes,
 int maxLines)
                       throws IOException

Reads at most maxBytes from the end of the file, then keeps at most maxLines lines (counting newlines). If the read starts mid-line, the first fragment is dropped.

Parameters:

file - path to a regular file

maxBytes - maximum bytes read from the end of the file

maxLines - maximum number of lines to return after splitting

Returns:

tail text, or "" if limits are non-positive, the path is not a file, or the file is empty

Throws:

IOException - if the file cannot be read