public interface VMPlugin

Method Detail

public boolean checkAccessible(Class<?> callerClass, Class<?> declaringClass, int memberModifiers, boolean allowIllegalAccess)

check whether the member can be accessed or not

Parameters:

callerClass - callerClass the callerClass to invoke setAccessible

declaringClass - the type of member owner

memberModifiers - modifiers of member

allowIllegalAccess - whether to allow illegal access

Returns:

the result of checking

public boolean checkCanSetAccessible(AccessibleObject accessibleObject, Class<?> callerClass)

Check whether invoking AccessibleObject.setAccessible on the accessible object will be completed successfully

Parameters:

accessibleObject - the accessible object to check

callerClass - the callerClass to invoke setAccessible

Returns:

the check result

public void configureAnnotation(AnnotationNode an)

public void configureAnnotationNodeFromDefinition(AnnotationNode definition, AnnotationNode root)

public void configureClassNode(CompileUnit compileUnit, ClassNode classNode)

<T> public T doPrivileged(PrivilegedAction<T> action)

Performs the specified PrivilegedAction with privileges enabled on platforms which support that capability, otherwise the action is performed ignoring privileges.

Parameters:

action - the action to be performed

Type Parameters:

T - the type of the value returned by the PrivilegedAction's run method

Returns:

the value returned by the action's run method

<T> public T doPrivileged(PrivilegedExceptionAction<T> action)

Performs the specified PrivilegedExceptionAction with privileges enabled on platforms which support that capability, otherwise the action is performed ignoring privileges.

Parameters:

action - the action to be performed

Type Parameters:

T - the type of the value returned by the PrivilegedAction's run method

Returns:

the value returned by the action's run method

public Map<String, Set<String>> getDefaultImportClasses(String[] packageNames)

Returns the default import classes: class name -> the relevant package names

Parameters:

packageNames - the default import package names, e.g. java.lang.

Returns:

the default import classes

Since:

3.0.2

public Object getInvokeSpecialHandle(Method m, Object receiver)

Returns a handle with bound receiver to invokeSpecial the given method. This method will require at least Java 7, but since the source has to compile on older Java versions as well it is not marked to return a MethodHandle and uses Object instead

Returns:

null in case of jdk<7, otherwise a handle that takes the method call arguments for the invokespecial call

public static String getJavaVersion()

Returns java version, e.g. 1.8, 9, 11, 17

Returns:

java version

Since:

4.0.0

public Class[] getPluginDefaultGroovyMethods()

public Class[] getPluginStaticGroovyMethods()

public int getVersion()

Gives the version the plugin is made for

Returns:

7 for jdk7, 8 for jdk8, 9 for jdk9 or higher

public void invalidateCallSites()

public Object invokeHandle(Object handle, Object[] args)

Invokes a handle produced by #getInvokeSpecialdHandle

Parameters:

handle - the handle

args - arguments for the method call, can be empty but not null

Returns:

the result of the method call

public void setAdditionalClassInformation(ClassNode c)

public MetaMethod transformMetaMethod(MetaClass metaClass, MetaMethod metaMethod, Class<?> caller)

transform meta method

Parameters:

metaClass - meta class

metaMethod - the original meta method

caller - caller class, whose method sets accessible for methods

Returns:

the transformed meta method

public MetaMethod transformMetaMethod(MetaClass metaClass, MetaMethod metaMethod)

transform meta method.

Parameters:

metaClass - meta class

metaMethod - the original meta method

Returns:

the transformed meta method

public boolean trySetAccessible(AccessibleObject ao)

Set the accessible flag for this reflected object to true if possible.

throws:

SecurityException if the request is denied by the security manager

Parameters:

ao - the accessible object

Returns:

true if the accessible flag is set to true; false if access cannot be enabled.