org.mym.plog.printer

Interface FilePrinter.FileNameGenerator

All Known Implementing Classes:

FilePrinter.TimingFileNameGenerator

Enclosing class:

FilePrinter

public static interface FilePrinter.FileNameGenerator

The interface to generate new log file.

Method Summary

Modifier and Type	Method and Description
String	nextFile() Generate a file name
String	nextFileIfDuplicate(File dir, String lastGenerated) NOTE: the return value for this method should NOT be null, and should be a simple name because the file path is decided by file logger instead of this interface.

Method Detail

nextFile

String nextFile()

Generate a file name

NOTE: the return value for this method should NOT be null, and should be a simple name because the file path is decided by file logger instead of this interface.

Returns:

the simple name of next log file, e.g. "log.txt"

nextFileIfDuplicate

String nextFileIfDuplicate(File dir,
                           String lastGenerated)

NOTE: the return value for this method should NOT be null, and should be a simple name because the file path is decided by file logger instead of this interface.

Parameters:

dir - the directory of log files. This parameter is provided for accessing files if needed.

lastGenerated - last returned value for nextFile().

Returns:

the simple name of next log file, e.g. "log1.txt". Directly return a value that equals lastGenerate param will cause an Exception.