com.helger.commons.lang.priviledged

Interface IPrivilegedAction<T>

Type Parameters:

T - The action return type.

All Superinterfaces:

PrivilegedAction<T>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface IPrivilegedAction<T>
extends PrivilegedAction<T>

Extension to PrivilegedAction with an invokeSafe() method that invokes the AccessController only if a security manager is present.

Author:

Philip Helger

Method Summary

Modifier and Type	Method and Description
static IPrivilegedAction<Void>	asVoid(Runnable aRunnable)
static IPrivilegedAction<Void>	authenticatorSetDefault(Authenticator aAuthenticator)
static IPrivilegedAction<ClassLoader>	classLoaderGetParent(ClassLoader aBaseClassLoader)
static IPrivilegedAction<ClassLoader>	getClassLoader(Class<?> aClass)
static IPrivilegedAction<ClassLoader>	getContextClassLoader()
static IPrivilegedAction<ClassLoader>	getSystemClassLoader()
default T	invokeSafe()
static <T> T	invokeSafe(IPrivilegedAction<T> aPA)
static IPrivilegedAction<ProxySelector>	proxySelectorGetDefault()
static IPrivilegedAction<Void>	proxySelectorSetDefault(ProxySelector aProxySelector)
static IPrivilegedAction<Integer>	securityAddProvider(Provider aProvider)
static IPrivilegedAction<Provider>	securityGetProvider(String sName)
static IPrivilegedAction<Provider[]>	securityGetProviders()
static IPrivilegedAction<Provider[]>	securityGetProviders(String sFilter)
static IPrivilegedAction<Integer>	securityInsertProviderAt(Provider aProvider, int nIndex)
static IPrivilegedAction<Void>	securityRemoveProvider(String sName)
static IPrivilegedAction<Void>	setContextClassLoader(ClassLoader aClassLoader)
static IPrivilegedAction<String>	systemClearProperty(String sKey)
static IPrivilegedAction<Properties>	systemGetProperties()
static IPrivilegedAction<String>	systemGetProperty(String sKey)
static IPrivilegedAction<String>	systemSetProperty(String sKey, String sValue)

Methods inherited from interface java.security.PrivilegedAction

run

Method Detail

invokeSafe

@Nullable
default T invokeSafe()

Returns:

The result of PrivilegedAction.run() dependent if a system manager is installed or not.

invokeSafe

@Nullable
static <T> T invokeSafe(@Nonnull
                                   IPrivilegedAction<T> aPA)

Type Parameters:

T - The return type of the privileged action

Parameters:

aPA - The privileged action to run. May not be null.

Returns:

The result of PrivilegedAction.run() dependent if a system manager is installed or not.

Since:

9.4.7

asVoid

@Nonnull
static IPrivilegedAction<Void> asVoid(@Nonnull
                                                Runnable aRunnable)

classLoaderGetParent

@Nonnull
static IPrivilegedAction<ClassLoader> classLoaderGetParent(@Nonnull
                                                                     ClassLoader aBaseClassLoader)

getClassLoader

@Nonnull
static IPrivilegedAction<ClassLoader> getClassLoader(@Nonnull
                                                               Class<?> aClass)

getContextClassLoader

@Nonnull
static IPrivilegedAction<ClassLoader> getContextClassLoader()

setContextClassLoader

@Nonnull
static IPrivilegedAction<Void> setContextClassLoader(@Nonnull
                                                               ClassLoader aClassLoader)

getSystemClassLoader

@Nonnull
static IPrivilegedAction<ClassLoader> getSystemClassLoader()

systemClearProperty

@Nonnull
static IPrivilegedAction<String> systemClearProperty(@Nonnull
                                                               String sKey)

systemGetProperty

@Nonnull
static IPrivilegedAction<String> systemGetProperty(@Nonnull
                                                             String sKey)

systemGetProperties

@Nonnull
static IPrivilegedAction<Properties> systemGetProperties()

systemSetProperty

@Nonnull
static IPrivilegedAction<String> systemSetProperty(@Nonnull
                                                             String sKey,
                                                             @Nonnull
                                                             String sValue)

proxySelectorGetDefault

@Nonnull
static IPrivilegedAction<ProxySelector> proxySelectorGetDefault()

proxySelectorSetDefault

@Nonnull
static IPrivilegedAction<Void> proxySelectorSetDefault(@Nullable
                                                                 ProxySelector aProxySelector)

authenticatorSetDefault

@Nonnull
static IPrivilegedAction<Void> authenticatorSetDefault(@Nullable
                                                                 Authenticator aAuthenticator)

securityGetProviders

@Nonnull
static IPrivilegedAction<Provider[]> securityGetProviders()

securityGetProviders

@Nonnull
static IPrivilegedAction<Provider[]> securityGetProviders(@Nonnull
                                                                    String sFilter)

securityGetProvider

@Nonnull
static IPrivilegedAction<Provider> securityGetProvider(@Nonnull
                                                                 String sName)

securityAddProvider

@Nonnull
static IPrivilegedAction<Integer> securityAddProvider(@Nonnull
                                                                Provider aProvider)

securityInsertProviderAt

@Nonnull
static IPrivilegedAction<Integer> securityInsertProviderAt(@Nonnull
                                                                     Provider aProvider,
                                                                     int nIndex)

securityRemoveProvider

@Nonnull
static IPrivilegedAction<Void> securityRemoveProvider(@Nonnull
                                                                String sName)