Package org.wildfly.security.manager
Class WildFlySecurityManager
- java.lang.Object
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- java.lang.SecurityManager
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- org.wildfly.security.manager.WildFlySecurityManager
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- All Implemented Interfaces:
PermissionVerifier
@MetaInfServices(java.lang.SecurityManager.class) public final class WildFlySecurityManager extends SecurityManager implements PermissionVerifier
The security manager. This security manager implementation can be switched on and off on a per-thread basis, and additionally logs access violations in a way that should be substantially clearer than most JDK implementations.- Author:
- David M. Lloyd
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Nested Class Summary
Nested Classes Modifier and Type Class Description (package private) static class
WildFlySecurityManager.Context
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Field Summary
Fields Modifier and Type Field Description private static ClassValue<AccessControlContext>
ACC_CACHE
private static Permission
ACCESS_DECLARED_MEMBERS_PERMISSION
private static Class<?>[]
ATOMIC_FIELD_UPDATER_TYPES
private static ThreadLocal<WildFlySecurityManager.Context>
CTX
private static Permission
ENVIRONMENT_PERMISSION
private static Permission
GET_CLASS_LOADER_PERMISSION
private static boolean
hasGetCallerClass
private static WildFlySecurityManager
INSTANCE
private static boolean
LOG_ONLY
private static PrivilegedAction<Object>
PA_TRAMPOLINE1
private static PrivilegedExceptionAction<Object>
PA_TRAMPOLINE2
private static long
pdStackOffset
private static Permission
PROPERTIES_PERMISSION
private static Permission
SECURITY_MANAGER_PERMISSION
private static Permission
SET_CLASS_LOADER_PERMISSION
private static sun.misc.Unsafe
unsafe
private static boolean
usingStackWalker
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Fields inherited from interface org.wildfly.security.permission.PermissionVerifier
ALL, NONE
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Constructor Summary
Constructors Constructor Description WildFlySecurityManager()
Construct a new instance.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description void
checkAccept(String host, int port)
void
checkAccess(Thread t)
void
checkAccess(ThreadGroup g)
void
checkConnect(String host, int port)
void
checkConnect(String host, int port, Object context)
void
checkCreateClassLoader()
void
checkDelete(String file)
private static void
checkEnvPropertyReadPermission(Class<?> clazz, String propertyName)
void
checkExec(String cmd)
void
checkExit(int status)
void
checkLink(String lib)
void
checkListen(int port)
void
checkMemberAccess(Class<?> clazz, int which)
Deprecated.void
checkMulticast(InetAddress maddr)
void
checkMulticast(InetAddress maddr, byte ttl)
Deprecated.void
checkPackageAccess(String pkg)
void
checkPackageDefinition(String pkg)
private static void
checkPDPermission(Class<?> clazz, Permission permission)
void
checkPermission(Permission perm)
Perform a permission check.void
checkPermission(Permission perm, Object context)
Perform a permission check.void
checkPermission(Permission perm, AccessControlContext context)
Perform a permission check.void
checkPrintJobAccess()
void
checkPropertiesAccess()
void
checkPropertyAccess(String key)
private static void
checkPropertyReadPermission(Class<?> clazz, String propertyName)
private static void
checkPropertyWritePermission(Class<?> clazz, String propertyName)
void
checkRead(FileDescriptor fd)
void
checkRead(String file)
void
checkRead(String file, Object context)
void
checkSecurityAccess(String target)
void
checkSetFactory()
void
checkWrite(FileDescriptor fd)
void
checkWrite(String file)
static String
clearPropertyPrivileged(String name)
Clear a property, doing a faster permission check that skips having to execute a privileged action frame.private static <T> T
def(T test, T def)
private static boolean
doCheck()
private static boolean
doCheck(WildFlySecurityManager.Context ctx)
static <T> T
doChecked(PrivilegedAction<T> action)
Perform an action with permission checking enabled.static <T> T
doChecked(PrivilegedAction<T> action, AccessControlContext context)
Perform an action with permission checking enabled.static <T> T
doChecked(PrivilegedExceptionAction<T> action)
Perform an action with permission checking enabled.static <T> T
doChecked(PrivilegedExceptionAction<T> action, AccessControlContext context)
Perform an action with permission checking enabled.static <T,P>
TdoChecked(P parameter, ParametricPrivilegedAction<T,P> action)
Perform an action with permission checking enabled.static <T,P>
TdoChecked(P parameter, ParametricPrivilegedAction<T,P> action, AccessControlContext context)
Perform an action with permission checking enabled.static <T,P>
TdoChecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action)
Perform an action with permission checking enabled.static <T,P>
TdoChecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action, AccessControlContext context)
Perform an action with permission checking enabled.static <T,P>
TdoPrivilegedWithParameter(P parameter, ParametricPrivilegedAction<T,P> action)
Execute a parametric privileged action with the given parameter in a privileged context.static <T,P>
TdoPrivilegedWithParameter(P parameter, ParametricPrivilegedAction<T,P> action, AccessControlContext accessControlContext)
Execute a parametric privileged action with the given parameter with the given context.static <T,P>
TdoPrivilegedWithParameter(P parameter, ParametricPrivilegedExceptionAction<T,P> action)
Execute a parametric privileged action with the given parameter in a privileged context.static <T,P>
TdoPrivilegedWithParameter(P parameter, ParametricPrivilegedExceptionAction<T,P> action, AccessControlContext accessControlContext)
Execute a parametric privileged action with the given parameter with the given context.static <T> T
doUnchecked(PrivilegedAction<T> action)
Perform an action with permission checking disabled.static <T> T
doUnchecked(PrivilegedAction<T> action, AccessControlContext context)
Perform an action with permission checking disabled.static <T> T
doUnchecked(PrivilegedExceptionAction<T> action)
Perform an action with permission checking disabled.static <T> T
doUnchecked(PrivilegedExceptionAction<T> action, AccessControlContext context)
Perform an action with permission checking disabled.static <T,P>
TdoUnchecked(P parameter, ParametricPrivilegedAction<T,P> action)
Perform an action with permission checking disabled.static <T,P>
TdoUnchecked(P parameter, ParametricPrivilegedAction<T,P> action, AccessControlContext context)
Perform an action with permission checking disabled.static <T,P>
TdoUnchecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action)
Perform an action with permission checking disabled.static <T,P>
TdoUnchecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action, AccessControlContext context)
Perform an action with permission checking disabled.static ProtectionDomain
findAccessDenial(Permission permission, ProtectionDomain... domains)
Find the protection domain in the given list which denies a permission, ornull
if the permission check would pass.private static AccessControlContext
getCallerAccessControlContext()
(package private) static Class<?>
getCallerClass(int n)
(package private) static Class<?>[]
getCallStack()
static ClassLoader
getClassLoaderPrivileged(Class<?> clazz)
Get the class loader for a class, doing a faster permission check that skips having to execute a privileged action frame.static ClassLoader
getCurrentContextClassLoaderPrivileged()
Get the current thread's context class loader, doing a faster permission check that skips having to execute a privileged action frame.static String
getEnvPropertyPrivileged(String name, String def)
Get an environmental property, doing a faster permission check that skips having to execute a privileged action frame.static String
getPropertyPrivileged(String name, String def)
Get a property, doing a faster permission check that skips having to execute a privileged action frame.private static ProtectionDomain[]
getProtectionDomainStack(AccessControlContext context)
static Map<String,String>
getSystemEnvironmentPrivileged()
Get the system environment map, doing a faster permission check that skips having to execute a privileged action frame.static Properties
getSystemPropertiesPrivileged()
Get the system properties map, doing a faster permission check that skips having to execute a privileged action frame.boolean
implies(Permission permission)
Determine if the permission is verified by this object.static void
install()
Deprecated.private static boolean
isAssignableToOneOf(Class<?> test, Class<?>... expect)
static boolean
isChecking()
Determine whether the security manager is currently checking permissions.static ClassLoader
setCurrentContextClassLoaderPrivileged(Class<?> clazz)
Set the current thread's context class loader, doing a faster permission check that skips having to execute a privileged action frame.static ClassLoader
setCurrentContextClassLoaderPrivileged(ClassLoader newClassLoader)
Set the current thread's context class loader, doing a faster permission check that skips having to execute a privileged action frame.static String
setPropertyPrivileged(String name, String value)
Set a property, doing a faster permission check that skips having to execute a privileged action frame.static boolean
tryCheckPermission(Permission permission, ProtectionDomain... domains)
Try a permission check.-
Methods inherited from class java.lang.SecurityManager
getClassContext, getSecurityContext, getThreadGroup
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.wildfly.security.permission.PermissionVerifier
and, not, or, toPermissionCollection, unless, xor
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Field Detail
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SECURITY_MANAGER_PERMISSION
private static final Permission SECURITY_MANAGER_PERMISSION
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PROPERTIES_PERMISSION
private static final Permission PROPERTIES_PERMISSION
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ENVIRONMENT_PERMISSION
private static final Permission ENVIRONMENT_PERMISSION
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GET_CLASS_LOADER_PERMISSION
private static final Permission GET_CLASS_LOADER_PERMISSION
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SET_CLASS_LOADER_PERMISSION
private static final Permission SET_CLASS_LOADER_PERMISSION
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ACCESS_DECLARED_MEMBERS_PERMISSION
private static final Permission ACCESS_DECLARED_MEMBERS_PERMISSION
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LOG_ONLY
private static final boolean LOG_ONLY
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CTX
private static final ThreadLocal<WildFlySecurityManager.Context> CTX
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unsafe
private static final sun.misc.Unsafe unsafe
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pdStackOffset
private static final long pdStackOffset
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INSTANCE
private static final WildFlySecurityManager INSTANCE
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hasGetCallerClass
private static final boolean hasGetCallerClass
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usingStackWalker
private static final boolean usingStackWalker
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ATOMIC_FIELD_UPDATER_TYPES
private static final Class<?>[] ATOMIC_FIELD_UPDATER_TYPES
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ACC_CACHE
private static final ClassValue<AccessControlContext> ACC_CACHE
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PA_TRAMPOLINE1
private static final PrivilegedAction<Object> PA_TRAMPOLINE1
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PA_TRAMPOLINE2
private static final PrivilegedExceptionAction<Object> PA_TRAMPOLINE2
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Constructor Detail
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WildFlySecurityManager
public WildFlySecurityManager() throws SecurityException
Construct a new instance. If the caller does not have permission to do so, this method will throw an exception.- Throws:
SecurityException
- if the caller does not have permission to create a security manager instance
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Method Detail
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install
@Deprecated public static void install() throws SecurityException
Deprecated.- Throws:
SecurityException
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getCallerClass
static Class<?> getCallerClass(int n)
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getCallStack
static Class<?>[] getCallStack()
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isChecking
public static boolean isChecking()
Determine whether the security manager is currently checking permissions.- Returns:
true
if the security manager is currently checking permissions
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checkPermission
public void checkPermission(Permission perm) throws SecurityException
Perform a permission check.- Specified by:
checkPermission
in interfacePermissionVerifier
- Overrides:
checkPermission
in classSecurityManager
- Parameters:
perm
- the permission to check- Throws:
SecurityException
- if the check fails
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checkPermission
public void checkPermission(Permission perm, Object context) throws SecurityException
Perform a permission check.- Overrides:
checkPermission
in classSecurityManager
- Parameters:
perm
- the permission to checkcontext
- the security context to use for the check (must be anAccessControlContext
instance)- Throws:
SecurityException
- if the check fails
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findAccessDenial
public static ProtectionDomain findAccessDenial(Permission permission, ProtectionDomain... domains)
Find the protection domain in the given list which denies a permission, ornull
if the permission check would pass.- Parameters:
permission
- the permission to testdomains
- the protection domains to try- Returns:
- the first denying protection domain, or
null
if there is none
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tryCheckPermission
public static boolean tryCheckPermission(Permission permission, ProtectionDomain... domains)
Try a permission check. Any violations will be logged to theorg.wildfly.security.access
category at aDEBUG
level.- Parameters:
permission
- the permission to checkdomains
- the protection domains to try- Returns:
true
if the access check succeeded,false
otherwise
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implies
public boolean implies(Permission permission)
Description copied from interface:PermissionVerifier
Determine if the permission is verified by this object.- Specified by:
implies
in interfacePermissionVerifier
- Parameters:
permission
- the permission to verify (must not benull
)- Returns:
true
if the permission is implied by this verifier,false
otherwise
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checkPermission
public void checkPermission(Permission perm, AccessControlContext context) throws SecurityException
Perform a permission check.- Parameters:
perm
- the permission to checkcontext
- the security context to use for the check- Throws:
SecurityException
- if the check fails
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getProtectionDomainStack
private static ProtectionDomain[] getProtectionDomainStack(AccessControlContext context)
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doCheck
private static boolean doCheck()
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doCheck
private static boolean doCheck(WildFlySecurityManager.Context ctx)
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checkCreateClassLoader
public void checkCreateClassLoader()
- Overrides:
checkCreateClassLoader
in classSecurityManager
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checkAccess
public void checkAccess(Thread t)
- Overrides:
checkAccess
in classSecurityManager
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checkAccess
public void checkAccess(ThreadGroup g)
- Overrides:
checkAccess
in classSecurityManager
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checkExit
public void checkExit(int status)
- Overrides:
checkExit
in classSecurityManager
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checkExec
public void checkExec(String cmd)
- Overrides:
checkExec
in classSecurityManager
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checkLink
public void checkLink(String lib)
- Overrides:
checkLink
in classSecurityManager
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checkRead
public void checkRead(FileDescriptor fd)
- Overrides:
checkRead
in classSecurityManager
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checkRead
public void checkRead(String file)
- Overrides:
checkRead
in classSecurityManager
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checkRead
public void checkRead(String file, Object context)
- Overrides:
checkRead
in classSecurityManager
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checkWrite
public void checkWrite(FileDescriptor fd)
- Overrides:
checkWrite
in classSecurityManager
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checkWrite
public void checkWrite(String file)
- Overrides:
checkWrite
in classSecurityManager
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checkDelete
public void checkDelete(String file)
- Overrides:
checkDelete
in classSecurityManager
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checkConnect
public void checkConnect(String host, int port)
- Overrides:
checkConnect
in classSecurityManager
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checkConnect
public void checkConnect(String host, int port, Object context)
- Overrides:
checkConnect
in classSecurityManager
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checkListen
public void checkListen(int port)
- Overrides:
checkListen
in classSecurityManager
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checkAccept
public void checkAccept(String host, int port)
- Overrides:
checkAccept
in classSecurityManager
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checkMulticast
public void checkMulticast(InetAddress maddr)
- Overrides:
checkMulticast
in classSecurityManager
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checkMulticast
@Deprecated public void checkMulticast(InetAddress maddr, byte ttl)
Deprecated.- Overrides:
checkMulticast
in classSecurityManager
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checkPropertiesAccess
public void checkPropertiesAccess()
- Overrides:
checkPropertiesAccess
in classSecurityManager
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checkPropertyAccess
public void checkPropertyAccess(String key)
- Overrides:
checkPropertyAccess
in classSecurityManager
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checkPrintJobAccess
public void checkPrintJobAccess()
- Overrides:
checkPrintJobAccess
in classSecurityManager
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checkPackageAccess
public void checkPackageAccess(String pkg)
- Overrides:
checkPackageAccess
in classSecurityManager
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checkPackageDefinition
public void checkPackageDefinition(String pkg)
- Overrides:
checkPackageDefinition
in classSecurityManager
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checkSetFactory
public void checkSetFactory()
- Overrides:
checkSetFactory
in classSecurityManager
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checkMemberAccess
@Deprecated public void checkMemberAccess(Class<?> clazz, int which)
Deprecated.
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checkSecurityAccess
public void checkSecurityAccess(String target)
- Overrides:
checkSecurityAccess
in classSecurityManager
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doChecked
public static <T> T doChecked(PrivilegedAction<T> action)
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to perform- Returns:
- the return value of the action
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doChecked
public static <T> T doChecked(PrivilegedExceptionAction<T> action) throws PrivilegedActionException
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to perform- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doChecked
public static <T> T doChecked(PrivilegedAction<T> action, AccessControlContext context)
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
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doChecked
public static <T> T doChecked(PrivilegedExceptionAction<T> action, AccessControlContext context) throws PrivilegedActionException
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doChecked
public static <T,P> T doChecked(P parameter, ParametricPrivilegedAction<T,P> action)
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to perform- Returns:
- the return value of the action
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doChecked
public static <T,P> T doChecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action) throws PrivilegedActionException
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to perform- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doChecked
public static <T,P> T doChecked(P parameter, ParametricPrivilegedAction<T,P> action, AccessControlContext context)
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
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doChecked
public static <T,P> T doChecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action, AccessControlContext context) throws PrivilegedActionException
Perform an action with permission checking enabled. If permission checking is already enabled, the action is simply run.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doUnchecked
public static <T> T doUnchecked(PrivilegedAction<T> action)
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The immediate caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to perform- Returns:
- the return value of the action
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doUnchecked
public static <T> T doUnchecked(PrivilegedExceptionAction<T> action) throws PrivilegedActionException
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to perform- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doUnchecked
public static <T> T doUnchecked(PrivilegedAction<T> action, AccessControlContext context)
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The immediate caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
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doUnchecked
public static <T> T doUnchecked(PrivilegedExceptionAction<T> action, AccessControlContext context) throws PrivilegedActionException
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return type- Parameters:
action
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doUnchecked
public static <T,P> T doUnchecked(P parameter, ParametricPrivilegedAction<T,P> action)
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The immediate caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to perform- Returns:
- the return value of the action
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doUnchecked
public static <T,P> T doUnchecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action) throws PrivilegedActionException
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to perform- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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doUnchecked
public static <T,P> T doUnchecked(P parameter, ParametricPrivilegedAction<T,P> action, AccessControlContext context)
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The immediate caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
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doUnchecked
public static <T,P> T doUnchecked(P parameter, ParametricPrivilegedExceptionAction<T,P> action, AccessControlContext context) throws PrivilegedActionException
Perform an action with permission checking disabled. If permission checking is already disabled, the action is simply run. The caller must have thedoUnchecked
runtime permission.- Type Parameters:
T
- the action return typeP
- the action parameter type- Parameters:
parameter
- the parameter to pass to the actionaction
- the action to performcontext
- the access control context to use- Returns:
- the return value of the action
- Throws:
PrivilegedActionException
- if the action threw an exception
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checkPropertyReadPermission
private static void checkPropertyReadPermission(Class<?> clazz, String propertyName)
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checkEnvPropertyReadPermission
private static void checkEnvPropertyReadPermission(Class<?> clazz, String propertyName)
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checkPropertyWritePermission
private static void checkPropertyWritePermission(Class<?> clazz, String propertyName)
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checkPDPermission
private static void checkPDPermission(Class<?> clazz, Permission permission)
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getPropertyPrivileged
public static String getPropertyPrivileged(String name, String def)
Get a property, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
name
- the property namedef
- the default value if the property is not found- Returns:
- the property value, or the default value
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def
private static <T> T def(T test, T def)
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getEnvPropertyPrivileged
public static String getEnvPropertyPrivileged(String name, String def)
Get an environmental property, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
name
- the property namedef
- the default value if the property is not found- Returns:
- the property value, or the default value
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setPropertyPrivileged
public static String setPropertyPrivileged(String name, String value)
Set a property, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
name
- the property namevalue
- the value ot set- Returns:
- the previous property value, or
null
if there was none
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clearPropertyPrivileged
public static String clearPropertyPrivileged(String name)
Clear a property, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
name
- the property name- Returns:
- the previous property value, or
null
if there was none
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getCurrentContextClassLoaderPrivileged
public static ClassLoader getCurrentContextClassLoaderPrivileged()
Get the current thread's context class loader, doing a faster permission check that skips having to execute a privileged action frame.- Returns:
- the context class loader
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setCurrentContextClassLoaderPrivileged
public static ClassLoader setCurrentContextClassLoaderPrivileged(ClassLoader newClassLoader)
Set the current thread's context class loader, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
newClassLoader
- the new class loader to set- Returns:
- the previously set context class loader
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setCurrentContextClassLoaderPrivileged
public static ClassLoader setCurrentContextClassLoaderPrivileged(Class<?> clazz)
Set the current thread's context class loader, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
clazz
- the class whose class loader is the new class loader to set- Returns:
- the previously set context class loader
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getSystemPropertiesPrivileged
public static Properties getSystemPropertiesPrivileged()
Get the system properties map, doing a faster permission check that skips having to execute a privileged action frame.- Returns:
- the system property map
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getSystemEnvironmentPrivileged
public static Map<String,String> getSystemEnvironmentPrivileged()
Get the system environment map, doing a faster permission check that skips having to execute a privileged action frame.- Returns:
- the system environment map
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getClassLoaderPrivileged
public static ClassLoader getClassLoaderPrivileged(Class<?> clazz)
Get the class loader for a class, doing a faster permission check that skips having to execute a privileged action frame.- Parameters:
clazz
- the class to check- Returns:
- the class loader
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doPrivilegedWithParameter
public static <T,P> T doPrivilegedWithParameter(P parameter, ParametricPrivilegedAction<T,P> action)
Execute a parametric privileged action with the given parameter in a privileged context.- Type Parameters:
T
- the action result typeP
- the parameter type- Parameters:
parameter
- the parameter to send in to the actionaction
- the action to execute- Returns:
- the action result
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doPrivilegedWithParameter
public static <T,P> T doPrivilegedWithParameter(P parameter, ParametricPrivilegedExceptionAction<T,P> action) throws PrivilegedActionException
Execute a parametric privileged action with the given parameter in a privileged context.- Type Parameters:
T
- the action result typeP
- the parameter type- Parameters:
parameter
- the parameter to send in to the actionaction
- the action to execute- Returns:
- the action result
- Throws:
PrivilegedActionException
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doPrivilegedWithParameter
public static <T,P> T doPrivilegedWithParameter(P parameter, ParametricPrivilegedAction<T,P> action, AccessControlContext accessControlContext)
Execute a parametric privileged action with the given parameter with the given context.- Type Parameters:
T
- the action result typeP
- the parameter type- Parameters:
parameter
- the parameter to send in to the actionaction
- the action to executeaccessControlContext
- the context to use- Returns:
- the action result
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doPrivilegedWithParameter
public static <T,P> T doPrivilegedWithParameter(P parameter, ParametricPrivilegedExceptionAction<T,P> action, AccessControlContext accessControlContext) throws PrivilegedActionException
Execute a parametric privileged action with the given parameter with the given context.- Type Parameters:
T
- the action result typeP
- the parameter type- Parameters:
parameter
- the parameter to send in to the actionaction
- the action to executeaccessControlContext
- the context to use- Returns:
- the action result
- Throws:
PrivilegedActionException
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getCallerAccessControlContext
private static AccessControlContext getCallerAccessControlContext()
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