Package adams.core.management

Class AbstractOutputPrinter

java.lang.Object

adams.core.management.AbstractOutputPrinter

Direct Known Subclasses:

DefaultOutputPrinter

public abstract class AbstractOutputPrinter
extends Object

Ancestor for printer objects for processes.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

OutputProcessStream

Field Summary

Fields

Modifier and Type	Field	Description
protected String	m_ID	the ID of the process.
protected BufferedReader	m_Reader	the reader.
protected boolean	m_StdOut	whether to output to stdout.

Constructor Summary

Constructors

Constructor	Description
AbstractOutputPrinter(boolean stdout, Process process)	Initializes the printer.

Method Summary

Modifier and Type	Method	Description
String	getID()	Returns the ID in use.
protected void	initialize(boolean stdout, Process process)	Initializes the printer.
boolean	isStdOut()	Returns whether stdout or stderr is used.
protected abstract void	output(String line)	Outputs the specified line.
boolean	process()	Reads and outputs (if possible) a line from the reader.
protected String	read()	Reads a line from the reader and returns it.
String	toString()	Returns a short description.

Methods inherited from class java.lang.Object

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

Field Detail

m_StdOut

protected boolean m_StdOut

whether to output to stdout.

m_ID

protected String m_ID

the ID of the process.

m_Reader

protected BufferedReader m_Reader

the reader.

Constructor Detail

AbstractOutputPrinter

public AbstractOutputPrinter(boolean stdout,
                             Process process)

Initializes the printer.

Parameters:

stdout - whether to use stdout or stderr

process - the process to monitor

Method Detail

initialize

protected void initialize(boolean stdout,
                          Process process)

Initializes the printer.

Parameters:

stdout - whether to use stdout or stderr

process - the process to monitor

getID

public String getID()

Returns the ID in use.

Returns:

the ID

isStdOut

public boolean isStdOut()

Returns whether stdout or stderr is used.

Returns:

true if stdout is used

read

protected String read()

Reads a line from the reader and returns it.

Returns:

the line read, or null in case of error

output

protected abstract void output(String line)

Outputs the specified line.

Parameters:

line - the text to output

process

public boolean process()

Reads and outputs (if possible) a line from the reader.

toString

public String toString()

Returns a short description.

Overrides:

toString in class Object

Returns:

the description