Package org.cip4.jdflib.util

Class RollingBackupFile

java.lang.Object

java.io.File

org.cip4.jdflib.util.RollingBackupFile

All Implemented Interfaces:

Serializable, Comparable<File>

public class RollingBackupFile
extends File

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

Constructors

Constructor	Description
RollingBackupFile(File file, int nBackupp)
RollingBackupFile(String pathname, int nBackupp)

Method Summary

Modifier and Type	Method	Description
void	clearAll()	remove all files, including main file
File	getNewFile()
File	getNewFile(String extension)	get a new file for a given extension
File	getOldFile(int i)
void	setWantExtension(boolean wantExtension)

Methods inherited from class java.io.File

canExecute, canRead, canWrite, compareTo, createNewFile, createTempFile, createTempFile, delete, deleteOnExit, equals, exists, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getFreeSpace, getName, getParent, getParentFile, getPath, getTotalSpace, getUsableSpace, hashCode, isAbsolute, isDirectory, isFile, isHidden, lastModified, length, list, list, listFiles, listFiles, listFiles, listRoots, mkdir, mkdirs, renameTo, setExecutable, setExecutable, setLastModified, setReadable, setReadable, setReadOnly, setWritable, setWritable, toPath, toString, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

RollingBackupFile

public RollingBackupFile(String pathname,
 int nBackupp)

Parameters:

pathname - the base filename

nBackupp - the number of backups to retain

RollingBackupFile

public RollingBackupFile(File file,
 int nBackupp)

Parameters:

file - the base file

nBackupp - the number of backups to retain

Method Details

setWantExtension

public void setWantExtension(boolean wantExtension)

Parameters:

wantExtension - the wantExtension to set

getNewFile

public File getNewFile()

Returns:

the file to write, i.e. this

getNewFile

public File getNewFile(String extension)

get a new file for a given extension

Parameters:

extension -

Returns:

getOldFile

public File getOldFile(int i)

Parameters:

i - the index of the file to read

Returns:

the file to read, with backup

clearAll

public void clearAll()

remove all files, including main file