org.jwall.web.audit.io

Class SequentialFileReader

java.lang.Object

org.jwall.web.audit.io.SequentialFileReader

All Implemented Interfaces:

LineReader

public class SequentialFileReader
extends Object
implements LineReader

Constructor Summary

Constructors

Constructor and Description
SequentialFileReader(File file)
SequentialFileReader(File file, long start, boolean removeAfterRead)

Method Summary

Methods

Modifier and Type	Method and Description
Long	bytesRead()
void	close()
File	getCurrentFile()
Long	getCurrentOffset()
FileHandler	getOldFileHandler()
String	getSource()
boolean	hasNext()
boolean	matchesSequence(File f)
protected void	openNextFile()
String	readLine() Read a line from the current file, if the file reveals a 'null' line AND there is a similarly named file already existing, then switch over to the 'next' file and start reading from that.
void	setOldFileHandler(FileHandler oldFileHandler)
void	skip(Long bytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

SequentialFileReader

public SequentialFileReader(File file)
                     throws IOException

Throws:

IOException

SequentialFileReader

public SequentialFileReader(File file,
                    long start,
                    boolean removeAfterRead)
                     throws IOException

Throws:

IOException

Method Detail

getCurrentFile

public File getCurrentFile()

getCurrentOffset

public Long getCurrentOffset()

getOldFileHandler

public FileHandler getOldFileHandler()

Returns:

the oldFileHandler

setOldFileHandler

public void setOldFileHandler(FileHandler oldFileHandler)

Parameters:

oldFileHandler - the oldFileHandler to set

matchesSequence

public boolean matchesSequence(File f)

hasNext

public boolean hasNext()

openNextFile

protected void openNextFile()
                     throws IOException

Throws:

IOException

readLine

public String readLine()

Read a line from the current file, if the file reveals a 'null' line AND there is a similarly named file already existing, then switch over to the 'next' file and start reading from that.

Specified by:

readLine in interface LineReader

Returns:

getSource

public String getSource()

Specified by:

getSource in interface LineReader

skip

public void skip(Long bytes)

Specified by:

skip in interface LineReader

bytesRead

public Long bytesRead()

Specified by:

bytesRead in interface LineReader

close

public void close()