org.openksavi.sponge.signal

Class SystemSignal

java.lang.Object

org.openksavi.sponge.signal.SystemSignal

All Implemented Interfaces:

sun.misc.SignalHandler

public class SystemSignal
extends Object
implements sun.misc.SignalHandler

Support for handling Operating System signals. This class wraps sun.misc.Signal and sun.misc.SignalHandler.

Field Summary

Fields

Modifier and Type	Field and Description
static String	SIGABRT Signal name for SIGABRT.
static String	SIGALRM Signal name for SIGALRM.
static String	SIGHUP Signal name for SIGHUP.
static String	SIGILL Signal name for SIGILL.
static String	SIGINT Signal name for SIGINT.
static String	SIGKILL Signal name for SIGKILL.
static String	SIGQUIT Signal name for SIGQUIT.
static String	SIGSTOP Signal name for SIGSTOP.
static String	SIGTERM Signal name for SIGTERM.

Fields inherited from interface sun.misc.SignalHandler

SIG_DFL, SIG_IGN

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SystemSignal(String signalName, SystemSignalListener listener) Creates a new instance of the signal supporting class.

Method Summary

Modifier and Type	Method and Description
String	getName() Returns signal name.
void	handle(sun.misc.Signal signal) Handles a signal by calling a listener method.
boolean	isSignal(String signalName) Checks if the name of the handled signal is equal to signalName.
static SystemSignal	setSystemSignalListener(String signalName, SystemSignalListener listener) Sets the listener for the signal named signalName.
String	toString() Returns the full name of the signal.

Methods inherited from class java.lang.Object

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

Field Detail

SIGHUP

public static final String SIGHUP

Signal name for SIGHUP.

See Also:

Constant Field Values

SIGINT

public static final String SIGINT

Signal name for SIGINT.

See Also:

Constant Field Values

SIGQUIT

public static final String SIGQUIT

Signal name for SIGQUIT.

See Also:

Constant Field Values

SIGILL

public static final String SIGILL

Signal name for SIGILL.

See Also:

Constant Field Values

SIGABRT

public static final String SIGABRT

Signal name for SIGABRT.

See Also:

Constant Field Values

SIGKILL

public static final String SIGKILL

Signal name for SIGKILL.

See Also:

Constant Field Values

SIGALRM

public static final String SIGALRM

Signal name for SIGALRM.

See Also:

Constant Field Values

SIGTERM

public static final String SIGTERM

Signal name for SIGTERM.

See Also:

Constant Field Values

SIGSTOP

public static final String SIGSTOP

Signal name for SIGSTOP.

See Also:

Constant Field Values

Constructor Detail

SystemSignal

protected SystemSignal(String signalName,
                       SystemSignalListener listener)

Creates a new instance of the signal supporting class.

Parameters:

signalName - signal name.

listener - signal listener.

Method Detail

getName

public String getName()

Returns signal name.

Returns:

signal name.

handle

public void handle(sun.misc.Signal signal)

Handles a signal by calling a listener method.

Specified by:

handle in interface sun.misc.SignalHandler

Parameters:

signal - a signal.

toString

public String toString()

Returns the full name of the signal.

Overrides:

toString in class Object

Returns:

full name of the signal.

isSignal

public boolean isSignal(String signalName)

Checks if the name of the handled signal is equal to signalName.

Parameters:

signalName - signal name.

Returns:

true if the name of the handled signal is equal to signalName.

setSystemSignalListener

public static SystemSignal setSystemSignalListener(String signalName,
                                                   SystemSignalListener listener)

Sets the listener for the signal named signalName.

Parameters:

signalName - signal name.

listener - signal listener.

Returns:

newly created instance of SystemSignal.