Package org.apache.commons.exec

Class LogOutputStream

java.lang.Object

java.io.OutputStream

org.apache.commons.exec.LogOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

Direct Known Subclasses:

LoggerOutputStream

public abstract class LogOutputStream
extends OutputStream

Base class to connect a logging system to the output and/or error stream of then external process. The implementation parses the incoming data to construct a line and passes the complete line to an user-defined implementation.

Constructor Summary

Constructors

Constructor	Description
LogOutputStream()	Creates a new instance of this class.
LogOutputStream(int level)	Creates a new instance of this class.

Method Summary

Modifier and Type	Method	Description
void	close()	Writes all remaining data from the buffer.
void	flush()	Flush this log stream.
int	getMessageLevel()
void	write(byte[] b, int off, int len)	Write a block of characters to the output stream
void	write(int cc)	Write the data to the buffer and flush the buffer, if a line separator is detected.

Methods inherited from class java.io.OutputStream

nullOutputStream, write

Methods inherited from class java.lang.Object

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

Constructor Details

LogOutputStream

public LogOutputStream()

Creates a new instance of this class. Uses the default level of 999.

LogOutputStream

public LogOutputStream(int level)

Creates a new instance of this class.

Parameters:

level - loglevel used to log data written to this stream.

Method Details

write

public void write(int cc)
           throws IOException

Write the data to the buffer and flush the buffer, if a line separator is detected.

Specified by:

write in class OutputStream

Parameters:

cc - data to log (byte).

Throws:

IOException

See Also:

• OutputStream.write(int)

flush

public void flush()

Flush this log stream.

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

See Also:

• OutputStream.flush()

close

public void close()
           throws IOException

Writes all remaining data from the buffer.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

See Also:

• OutputStream.close()

getMessageLevel

public int getMessageLevel()

Returns:

the trace level of the log system

write

public void write(byte[] b,
 int off,
 int len)
           throws IOException

Write a block of characters to the output stream

Overrides:

write in class OutputStream

Parameters:

b - the array containing the data

off - the offset into the array where data starts

len - the length of block

Throws:

IOException - if the data cannot be written into the stream.

See Also:

• OutputStream.write(byte[], int, int)