org.biomoby.service.dashboard
Class ExitSecurityManager

java.lang.Object
  java.lang.SecurityManager
      org.biomoby.service.dashboard.ExitSecurityManager

public class ExitSecurityManager
extends SecurityManager

A security manager allowing to enable and disable usage of System.exit() calls.

Everybody can enable and disable it - so it is not strictly speaking too secure but the purpose is not to prevent against malicious classes but to allow to embed code and libraries that use System.exit() - such as the Ant classes - without breaking wrapping code.

Version:

$Id: ExitSecurityManager.java,v 1.2 2006/02/19 18:42:55 senger Exp $

Author:

Martin Senger

Constructor Summary

ExitSecurityManager()
Default constructor.

Method Summary

void	checkExit(int status)
void	checkPermission(Permission perm)
void	checkPermission(Permission perm, Object context)
static ExitSecurityManager	createAndInstall() Create and install an instance of this exit manager as a new security manager.
void	setExitForbidden(boolean enabled) Enable od disable usage of System.exit().

Methods inherited from class java.lang.SecurityManager

checkAccept, checkAccess, checkAccess, checkAwtEventQueueAccess, checkConnect, checkConnect, checkCreateClassLoader, checkDelete, checkExec, checkLink, checkListen, checkMemberAccess, checkMulticast, checkMulticast, checkPackageAccess, checkPackageDefinition, checkPrintJobAccess, checkPropertiesAccess, checkPropertyAccess, checkRead, checkRead, checkRead, checkSecurityAccess, checkSetFactory, checkSystemClipboardAccess, checkTopLevelWindow, checkWrite, checkWrite, getInCheck, getSecurityContext, getThreadGroup

Methods inherited from class java.lang.Object

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

Constructor Detail

ExitSecurityManager

public ExitSecurityManager()

Default constructor. By default, the System.exit() calls are disabled.

Method Detail

createAndInstall

public static ExitSecurityManager createAndInstall()

Create and install an instance of this exit manager as a new security manager. It prints a warning message (into a log) if installing was notr allowed because there is already another security manager installed.

Returns:

a new security manager (even if it was not possible to install it; it never returns null)

setExitForbidden

public void setExitForbidden(boolean enabled)

Enable od disable usage of System.exit(). If it is disbaled and then called, the call will raise an ExitException.

Parameters:

enabled - true enables System.exit() calls

checkExit

public void checkExit(int status)

Overrides:

checkExit in class SecurityManager

Throws:

org.apache.tools.ant.ExitException - if System.exit() was called and was not allowed. The exception has an exit code taken from this System.exit() call.

checkPermission

public void checkPermission(Permission perm,
                            Object context)

Overrides:

checkPermission in class SecurityManager

checkPermission

public void checkPermission(Permission perm)

Overrides:

checkPermission in class SecurityManager