org.cip4.jdflib.util.file

Class RollingFile

java.lang.Object

java.io.File

org.cip4.jdflib.util.file.RollingFile

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<java.io.File>

Direct Known Subclasses:

RollingDateFile

public class RollingFile
extends java.io.File

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	log

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

Constructors

Constructor and Description
RollingFile(java.lang.String pathname, java.lang.String baseName)

Method Summary

Modifier and Type	Method and Description
protected int	calcPos()
protected java.lang.String	getFileExpression()
java.io.File	getNewFile()
protected java.lang.String	getNewFileName()
java.io.File[]	readAll() read all matching files from this
void	setDigits(int digits)

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

Field Detail

log

protected final org.apache.commons.logging.Log log

Constructor Detail

RollingFile

public RollingFile(java.lang.String pathname,
                   java.lang.String baseName)

Parameters:

pathname - the base filename

baseName - the name of the base file,
if a filename with double "." , e.g. xxx..txt is specified, the algorithm will generate names such as xxx.000001.txt,
if a single "." e.g. xxx.txt is specified, the algorithm will generate names such as xxx000001.txt,

Method Detail

calcPos

protected int calcPos()

Returns:

readAll

public java.io.File[] readAll()

read all matching files from this

Returns:

array of all matching files

getFileExpression

protected java.lang.String getFileExpression()

Returns:

getNewFile

public java.io.File getNewFile()

Returns:

the file to write, null if error occurred

getNewFileName

protected java.lang.String getNewFileName()

Returns:

the file to write, i.e. this

setDigits

public void setDigits(int digits)

Parameters:

digits - the digits to set