org.apache.logging.log4j.core.appender
Class RandomAccessFileManager

java.lang.Object
  org.apache.logging.log4j.core.appender.AbstractManager
      org.apache.logging.log4j.core.appender.OutputStreamManager
          org.apache.logging.log4j.core.appender.RandomAccessFileManager

public class RandomAccessFileManager
extends OutputStreamManager

Extends OutputStreamManager but instead of using a buffered output stream, this class uses a ByteBuffer and a RandomAccessFile to do the I/O.

Field Summary

Fields inherited from class org.apache.logging.log4j.core.appender.OutputStreamManager

layout

Fields inherited from class org.apache.logging.log4j.core.appender.AbstractManager

count, LOGGER

Constructor Summary

protected

RandomAccessFileManager(RandomAccessFile file, String fileName, OutputStream os, boolean immediateFlush, int bufferSize, String advertiseURI, Layout<? extends Serializable> layout)

Method Summary

void	close()
void	flush() Flushes any buffers.
int	getBufferSize() Returns the buffer capacity.
Map<String,String>	getContentFormat() Gets this FileManager's content format specified by:
static RandomAccessFileManager	getFileManager(String fileName, boolean append, boolean isFlush, int bufferSize, String advertiseURI, Layout<? extends Serializable> layout) Returns the RandomAccessFileManager.
String	getFileName() Returns the name of the File being managed.
Boolean	isEndOfBatch()
void	setEndOfBatch(boolean isEndOfBatch)
protected void	write(byte[] bytes, int offset, int length) Some output streams synchronize writes while others do not.

Methods inherited from class org.apache.logging.log4j.core.appender.OutputStreamManager

getManager, getOutputStream, isOpen, releaseSub, setOutputStream, write, writeFooter

Methods inherited from class org.apache.logging.log4j.core.appender.AbstractManager

getCount, getName, hasManager, release

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomAccessFileManager

protected RandomAccessFileManager(RandomAccessFile file,
                                  String fileName,
                                  OutputStream os,
                                  boolean immediateFlush,
                                  int bufferSize,
                                  String advertiseURI,
                                  Layout<? extends Serializable> layout)

Method Detail

getFileManager

public static RandomAccessFileManager getFileManager(String fileName,
                                                     boolean append,
                                                     boolean isFlush,
                                                     int bufferSize,
                                                     String advertiseURI,
                                                     Layout<? extends Serializable> layout)

Returns the RandomAccessFileManager.

Parameters:

fileName - The name of the file to manage.

append - true if the file should be appended to, false if it should be overwritten.

isFlush - true if the contents should be flushed to disk on every write

bufferSize - The buffer size.

advertiseURI - the URI to use when advertising the file

layout - The layout.

Returns:

A RandomAccessFileManager for the File.

isEndOfBatch

public Boolean isEndOfBatch()

setEndOfBatch

public void setEndOfBatch(boolean isEndOfBatch)

write

protected void write(byte[] bytes,
                     int offset,
                     int length)

Description copied from class: OutputStreamManager

Some output streams synchronize writes while others do not. Synchronizing here insures that log events won't be intertwined.

Overrides:

write in class OutputStreamManager

Parameters:

bytes - The serialized Log event.

offset - The offset into the byte array.

length - The number of bytes to write.

flush

public void flush()

Description copied from class: OutputStreamManager

Flushes any buffers.

Overrides:

flush in class OutputStreamManager

close

public void close()

Overrides:

close in class OutputStreamManager

getFileName

public String getFileName()

Returns the name of the File being managed.

Returns:

The name of the File being managed.

getBufferSize

public int getBufferSize()

Returns the buffer capacity.

Returns:

the buffer size

getContentFormat

public Map<String,String> getContentFormat()

Gets this FileManager's content format specified by:

Key: "fileURI" Value: provided "advertiseURI" param.

Overrides:

getContentFormat in class AbstractManager

Returns:

Map of content format keys supporting FileManager