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com.port80.eclipse.util
Class ProcessMonitor  

java.lang.Object
  com.port80.eclipse.util.ProcessMonitor

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public class ProcessMonitor

extends java.lang.Object

Monitor a background process in a separate thread.

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Field Summary
private static int	BUFSIZE
protected  java.lang.StringBuffer	errContent
protected  java.io.InputStream	errStream
protected  java.lang.Thread	errThread           The output stream monitor thread.
protected  int	exitValue
protected  IProcessMonitorListener	listener           Optional name for the monitor thread.
protected  java.lang.String	name           java.lang.Process being monitored.
protected  java.lang.StringBuffer	outContent
protected  java.io.InputStream	outStream           The error stream monitor thread.
protected  java.lang.Thread	outThread           The process monitor thread.
protected  java.lang.Process	process
protected  java.lang.Thread	thread

 

Constructor Summary

ProcessMonitor(java.lang.Process process, java.lang.String name, IProcessMonitorListener listener)

ProcessMonitor(java.lang.Process process, java.lang.String name, IProcessMonitorListener listener, boolean monitor_output, boolean monitor_error)           Creates a new process monitor and starts monitoring the process for termination.

 

Method Summary
(package private)  void	errMonitor()           Continually reads from the err stream of the process.
int	exitValue()
java.lang.String	getErrContent()
java.lang.String	getOutContent()
void	kill()           Kills the monitoring thread.
static void	main(java.lang.String[] args)
(package private)  void	monitorProcess()           Monitors the underlying process for termination.
(package private)  void	outMonitor()           Continually reads from the output stream of the process.
private  void	startErrMonitor()           Start the output stream monitoring thread.
private  void	startOutMonitor()           Start the output stream monitoring thread.
private  void	startProcessMonitor()           Starts monitoring the underlying process.
void	waitFor()           Wait till the process being monitored is done.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

BUFSIZE

private static final int BUFSIZE

See Also:

Constant Field Values

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process

protected java.lang.Process process

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name

protected java.lang.String name

java.lang.Process being monitored.

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listener

protected IProcessMonitorListener listener

Optional name for the monitor thread.

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thread

protected java.lang.Thread thread

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outThread

protected java.lang.Thread outThread

The process monitor thread.

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errThread

protected java.lang.Thread errThread

The output stream monitor thread.

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outStream

protected java.io.InputStream outStream

The error stream monitor thread.

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errStream

protected java.io.InputStream errStream

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outContent

protected java.lang.StringBuffer outContent

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errContent

protected java.lang.StringBuffer errContent

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exitValue

protected int exitValue

Constructor Detail

ProcessMonitor

public ProcessMonitor(java.lang.Process process,
                      java.lang.String name,
                      IProcessMonitorListener listener,
                      boolean monitor_output,
                      boolean monitor_error)

Creates a new process monitor and starts monitoring the process for termination.

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ProcessMonitor

public ProcessMonitor(java.lang.Process process,
                      java.lang.String name,
                      IProcessMonitorListener listener)

Method Detail

kill

public void kill()

Kills the monitoring thread. This method is to be useful for dealing with the error case of an underlying process to hang.

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getOutContent

public java.lang.String getOutContent()

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getErrContent

public java.lang.String getErrContent()

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exitValue

public int exitValue()

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waitFor

public void waitFor()

Wait till the process being monitored is done. If interrupted, the underlying process is killed.

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startProcessMonitor

private void startProcessMonitor()

Starts monitoring the underlying process.

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monitorProcess

void monitorProcess()

Monitors the underlying process for termination. When the underlying process terminates (or if the monitoring thread is interrupted), inform the IProcessMaster that it has terminated.

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startOutMonitor

private void startOutMonitor()

Start the output stream monitoring thread.

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outMonitor

void outMonitor()

Continually reads from the output stream of the process.

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startErrMonitor

private void startErrMonitor()

Start the output stream monitoring thread.

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errMonitor

void errMonitor()

Continually reads from the err stream of the process.

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main

public static void main(java.lang.String[] args)

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