Package org.apache.commons.launcher

Class ChildMain

java.lang.Object

java.lang.Thread

org.apache.commons.launcher.ChildMain

All Implemented Interfaces:

java.lang.Runnable

public class ChildMain
extends java.lang.Thread

A wrapper class that invokes another class' main(String[]). This particular class uses several system properties to control features:

• Redirecting System.out and System.err.
• Displaying a minimized window in the Windows taskbar.

This class is normally not invoked directly. Instead, it is invoked by the LaunchTask class.

Author:

Patrick Luby

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	APPEND_OUTPUT_PROP_NAME	The appendOutput system property name.
static java.lang.String	DISPLAY_MINIMIZED_WINDOW_PROP_NAME	The displayMiminizedWindow system property name.
static java.lang.String	DISPOSE_MINIMIZED_WINDOW_PROP_NAME	The disposeMiminizedWindow system property name.
static java.lang.String	EXECUTABLE_PROP_NAME	The executableName system property name.
static java.lang.String	HEARTBEAT_FILE_PROP_NAME	The heartbeatFile system property name.
static java.lang.String	MINIMIZED_WINDOW_ICON_PROP_NAME	The miminizedWindowIcon system property name.
static java.lang.String	MINIMIZED_WINDOW_TITLE_PROP_NAME	The miminizedWindowTitle system property name.
static java.lang.String	OUTPUT_FILE_PROP_NAME	The outputFile system property name.
static java.lang.String	WAIT_FOR_CHILD_PROP_NAME	The waitForChild system property name.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Method Summary

Modifier and Type	Method	Description
static void	main(java.lang.String[] args)	Main entry point for the child process.
void	run()	Invoke the target application.

Methods inherited from class java.lang.Object

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

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Field Detail

APPEND_OUTPUT_PROP_NAME

public static final java.lang.String APPEND_OUTPUT_PROP_NAME

The appendOutput system property name.

See Also:

Constant Field Values

DISPLAY_MINIMIZED_WINDOW_PROP_NAME

public static final java.lang.String DISPLAY_MINIMIZED_WINDOW_PROP_NAME

The displayMiminizedWindow system property name.

See Also:

Constant Field Values

DISPOSE_MINIMIZED_WINDOW_PROP_NAME

public static final java.lang.String DISPOSE_MINIMIZED_WINDOW_PROP_NAME

The disposeMiminizedWindow system property name.

See Also:

Constant Field Values

EXECUTABLE_PROP_NAME

public static final java.lang.String EXECUTABLE_PROP_NAME

The executableName system property name.

See Also:

Constant Field Values

HEARTBEAT_FILE_PROP_NAME

public static final java.lang.String HEARTBEAT_FILE_PROP_NAME

The heartbeatFile system property name.

See Also:

Constant Field Values

MINIMIZED_WINDOW_TITLE_PROP_NAME

public static final java.lang.String MINIMIZED_WINDOW_TITLE_PROP_NAME

The miminizedWindowTitle system property name.

See Also:

Constant Field Values

MINIMIZED_WINDOW_ICON_PROP_NAME

public static final java.lang.String MINIMIZED_WINDOW_ICON_PROP_NAME

The miminizedWindowIcon system property name.

See Also:

Constant Field Values

OUTPUT_FILE_PROP_NAME

public static final java.lang.String OUTPUT_FILE_PROP_NAME

The outputFile system property name.

See Also:

Constant Field Values

WAIT_FOR_CHILD_PROP_NAME

public static final java.lang.String WAIT_FOR_CHILD_PROP_NAME

The waitForChild system property name.

See Also:

Constant Field Values

Method Detail

main

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

Main entry point for the child process. This method should only be invoked by the LaunchTask class.

Parameters:

args - command line arguments

run

public void run()

Invoke the target application.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

Parameters:

args - command line arguments