org.codehaus.groovy.vmplugin

Interface VMPlugin

All Known Implementing Classes:

Java5, Java6, Java7, Java8

public interface VMPlugin

Interface to access VM version based actions. This interface is for internal use only!

Method Summary

Modifier and Type	Method and Description
boolean	checkAccessible(Class<?> callerClass, Class<?> declaringClass, int memberModifiers, boolean allowIllegalAccess) check whether the member can be accessed or not
boolean	checkCanSetAccessible(AccessibleObject accessibleObject, Class<?> callerClass) Check whether invoking AccessibleObject.setAccessible(boolean) on the accessible object will be completed successfully
void	configureAnnotation(AnnotationNode an)
void	configureAnnotationNodeFromDefinition(AnnotationNode definition, AnnotationNode root)
void	configureClassNode(CompileUnit compileUnit, ClassNode classNode)
Object	getInvokeSpecialHandle(Method m, Object receiver) Returns a handle with bound receiver to invokeSpecial the given method.
Class[]	getPluginDefaultGroovyMethods()
Class[]	getPluginStaticGroovyMethods()
int	getVersion() Gives the version the plugin is made for
void	invalidateCallSites()
Object	invokeHandle(Object handle, Object[] args) Invokes a handle produced by #getInvokeSpecialdHandle
void	setAdditionalClassInformation(ClassNode c)
MetaMethod	transformMetaMethod(MetaClass metaClass, MetaMethod metaMethod) transform meta method.
MetaMethod	transformMetaMethod(MetaClass metaClass, MetaMethod metaMethod, Class<?> caller) transform meta method
boolean	trySetAccessible(AccessibleObject ao) Set the accessible flag for this reflected object to true if possible.

Method Detail

setAdditionalClassInformation

void setAdditionalClassInformation(ClassNode c)

getPluginDefaultGroovyMethods

Class[] getPluginDefaultGroovyMethods()

getPluginStaticGroovyMethods

Class[] getPluginStaticGroovyMethods()

configureAnnotationNodeFromDefinition

void configureAnnotationNodeFromDefinition(AnnotationNode definition,
                                           AnnotationNode root)

configureAnnotation

void configureAnnotation(AnnotationNode an)

configureClassNode

void configureClassNode(CompileUnit compileUnit,
                        ClassNode classNode)

invalidateCallSites

void invalidateCallSites()

getInvokeSpecialHandle

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

invokeHandle

Object invokeHandle(Object handle,
                    Object[] args)
             throws Throwable

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

Throws:

Throwable

getVersion

int getVersion()

Gives the version the plugin is made for

Returns:

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

checkCanSetAccessible

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

Check whether invoking AccessibleObject.setAccessible(boolean) 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

checkAccessible

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

trySetAccessible

boolean trySetAccessible(AccessibleObject ao)

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

Parameters:

ao - the accessible object

Returns:

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

Throws:

SecurityException - if the request is denied by the security manager

transformMetaMethod

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

transformMetaMethod

MetaMethod transformMetaMethod(MetaClass metaClass,
                               MetaMethod metaMethod)

transform meta method.

Parameters:

metaClass - meta class

metaMethod - the original meta method

Returns:

the transformed meta method