org.netbeans
Class TopSecurityManager

java.lang.Object
  java.lang.SecurityManager
      org.netbeans.TopSecurityManager

public class TopSecurityManager
extends SecurityManager

NetBeans security manager implementation.

Field Summary

Fields inherited from class java.lang.SecurityManager

inCheck

Constructor Summary

TopSecurityManager()
constructs new TopSecurityManager

Method Summary

void	checkConnect(String host, int port) Checks connect
void	checkConnect(String s, int port, Object context)
void	checkDelete(String file) The method has awful performance in super class
void	checkExit(int status)
void	checkPermission(Permission perm)
void	checkPermission(Permission perm, Object context)
void	checkPropertyAccess(String x) Performance - all props accessible
void	checkRead(FileDescriptor fd)
void	checkRead(String file) The method is empty.
boolean	checkTopLevelWindow(Object window)
void	checkWrite(FileDescriptor fd)
void	checkWrite(String file) The method has awful performance in super class
static void	exit(int status) Can be called from core classes to exit the system.
static void	install()
static void	makeSwingUseSpecialClipboard(Clipboard clip) Convinces Swing components that they should use special clipboard and not Toolkit.getSystemClipboard.
static void	register(SecurityManager sm) Register a delegate security manager that can handle some checks for us.
static void	unregister(SecurityManager sm) Unregister a delegate security manager.

Methods inherited from class java.lang.SecurityManager

checkAccept, checkAccess, checkAccess, checkAwtEventQueueAccess, checkCreateClassLoader, checkExec, checkLink, checkListen, checkMemberAccess, checkMulticast, checkMulticast, checkPackageAccess, checkPackageDefinition, checkPrintJobAccess, checkPropertiesAccess, checkRead, checkSecurityAccess, checkSetFactory, checkSystemClipboardAccess, classDepth, classLoaderDepth, currentClassLoader, currentLoadedClass, getClassContext, getInCheck, getSecurityContext, getThreadGroup, inClass, inClassLoader

Methods inherited from class java.lang.Object

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

Constructor Detail

TopSecurityManager

public TopSecurityManager()

constructs new TopSecurityManager

Method Detail

register

public static void register(SecurityManager sm)
                     throws SecurityException

Register a delegate security manager that can handle some checks for us. Currently only checkExit and checkTopLevelWindow are supported.

Parameters:

sm - the delegate to register

Throws:

SecurityException - without RuntimePermission "TopSecurityManager.register"

unregister

public static void unregister(SecurityManager sm)
                       throws SecurityException

Unregister a delegate security manager.

Parameters:

sm - the delegate to unregister

Throws:

SecurityException - without RuntimePermission "TopSecurityManager.unregister"

checkExit

public void checkExit(int status)
               throws SecurityException

Overrides:

checkExit in class SecurityManager

Throws:

SecurityException

exit

public static void exit(int status)

Can be called from core classes to exit the system. Direct calls to System.exit will not be honored, for safety.

Parameters:

status - the status code to exit with

See Also:

"#20751"

checkTopLevelWindow

public boolean checkTopLevelWindow(Object window)

Overrides:

checkTopLevelWindow in class SecurityManager

checkPropertyAccess

public final void checkPropertyAccess(String x)

Performance - all props accessible

Overrides:

checkPropertyAccess in class SecurityManager

checkRead

public void checkRead(String file)

The method is empty. This is not "secure", but on the other hand, it reduces performance penalty of startup about 10%

Overrides:

checkRead in class SecurityManager

checkRead

public void checkRead(FileDescriptor fd)

Overrides:

checkRead in class SecurityManager

checkWrite

public void checkWrite(FileDescriptor fd)

Overrides:

checkWrite in class SecurityManager

checkDelete

public void checkDelete(String file)

The method has awful performance in super class

Overrides:

checkDelete in class SecurityManager

checkWrite

public void checkWrite(String file)

The method has awful performance in super class

Overrides:

checkWrite in class SecurityManager

checkConnect

public void checkConnect(String host,
                         int port)

Checks connect

Overrides:

checkConnect in class SecurityManager

checkConnect

public void checkConnect(String s,
                         int port,
                         Object context)

Overrides:

checkConnect in class SecurityManager

checkPermission

public void checkPermission(Permission perm)

Overrides:

checkPermission in class SecurityManager

checkPermission

public void checkPermission(Permission perm,
                            Object context)

Overrides:

checkPermission in class SecurityManager

install

public static void install()

makeSwingUseSpecialClipboard

public static void makeSwingUseSpecialClipboard(Clipboard clip)

Convinces Swing components that they should use special clipboard and not Toolkit.getSystemClipboard.

Parameters:

clip - clipboard to use