Package net.bytebuddy.utility

Class JavaModule.Dispatcher.Enabled

java.lang.Object

net.bytebuddy.utility.JavaModule.Dispatcher.Enabled

All Implemented Interfaces:

JavaModule.Dispatcher

Direct Known Subclasses:

JavaModule.Dispatcher.Enabled.WithInstrumentationSupport, JavaModule.Dispatcher.Enabled.WithoutInstrumentationSupport

Enclosing interface:

JavaModule.Dispatcher

@Enhance
public abstract static class JavaModule.Dispatcher.Enabled
extends java.lang.Object
implements JavaModule.Dispatcher

A dispatcher for a VM that does support the java.lang.Module API.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	JavaModule.Dispatcher.Enabled.WithInstrumentationSupport	A dispatcher for a VM that does support the java.lang.Module API and that supports Instrumentation.
protected static class	JavaModule.Dispatcher.Enabled.WithoutInstrumentationSupport	A dispatcher for a VM that does support the java.lang.Module API and that does not support Instrumentation.

Nested classes/interfaces inherited from interface net.bytebuddy.utility.JavaModule.Dispatcher

JavaModule.Dispatcher.CreationAction, JavaModule.Dispatcher.Disabled, JavaModule.Dispatcher.Enabled

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.reflect.Method	canRead	The java.lang.Module#canRead(Module) method.
private java.lang.reflect.Method	getClassLoader	The java.lang.Module#getClassLoader() method.
private java.lang.reflect.Method	getModule	The java.lang.Class#getModule() method.
private java.lang.reflect.Method	getName	The java.lang.Module#getName() method.
private java.lang.reflect.Method	getResourceAsStream	The java.lang.Module#getResourceAsStream(String) method.
private java.lang.reflect.Method	isExported	The java.lang.Module#isExported(String,Module) method.
private java.lang.reflect.Method	isNamed	The java.lang.Module#isNamed() method.
private java.lang.reflect.Method	isOpened	The java.lang.Module#isOpened(String,Module) method.
private static java.lang.Object[]	NO_ARGUMENTS	An empty array that can be used to indicate no arguments to avoid an allocation on a reflective call.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Enabled(java.lang.reflect.Method getModule, java.lang.reflect.Method getClassLoader, java.lang.reflect.Method isNamed, java.lang.reflect.Method getName, java.lang.reflect.Method getResourceAsStream, java.lang.reflect.Method isExported, java.lang.reflect.Method isOpened, java.lang.reflect.Method canRead)	Creates an enabled dispatcher.

Method Summary

Modifier and Type	Method	Description
boolean	canRead(java.lang.Object source, java.lang.Object target)	Checks if the source module can read the target module.
java.lang.ClassLoader	getClassLoader(java.lang.Object module)	Returns the module's class loader.
java.lang.String	getName(java.lang.Object module)	Returns the module's name.
java.io.InputStream	getResourceAsStream(java.lang.Object module, java.lang.String name)	Returns a resource stream for this module for a resource of the given name or null if such a resource does not exist.
boolean	isAlive()	Checks if this dispatcher is alive, i.e.
boolean	isExported(java.lang.Object source, java.lang.Object target, java.lang.String aPackage)	Returns true if the source module exports the supplied package to the target module.
boolean	isNamed(java.lang.Object module)	Returns true if the supplied module is named.
boolean	isOpened(java.lang.Object source, java.lang.Object target, java.lang.String aPackage)	Returns true if the source module opens the supplied package to the target module.
JavaModule	moduleOf(java.lang.Class<?> type)	Extracts the Java Module for the provided class or returns null if the current VM does not support modules.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.bytebuddy.utility.JavaModule.Dispatcher

modify

Field Detail

NO_ARGUMENTS

private static final java.lang.Object[] NO_ARGUMENTS

An empty array that can be used to indicate no arguments to avoid an allocation on a reflective call.

getModule

private final java.lang.reflect.Method getModule

The java.lang.Class#getModule() method.

getClassLoader

private final java.lang.reflect.Method getClassLoader

The java.lang.Module#getClassLoader() method.

isNamed

private final java.lang.reflect.Method isNamed

The java.lang.Module#isNamed() method.

getName

private final java.lang.reflect.Method getName

The java.lang.Module#getName() method.

getResourceAsStream

private final java.lang.reflect.Method getResourceAsStream

The java.lang.Module#getResourceAsStream(String) method.

isExported

private final java.lang.reflect.Method isExported

The java.lang.Module#isExported(String,Module) method.

isOpened

private final java.lang.reflect.Method isOpened

The java.lang.Module#isOpened(String,Module) method.

canRead

private final java.lang.reflect.Method canRead

The java.lang.Module#canRead(Module) method.

Constructor Detail

Enabled

protected Enabled(java.lang.reflect.Method getModule,
                  java.lang.reflect.Method getClassLoader,
                  java.lang.reflect.Method isNamed,
                  java.lang.reflect.Method getName,
                  java.lang.reflect.Method getResourceAsStream,
                  java.lang.reflect.Method isExported,
                  java.lang.reflect.Method isOpened,
                  java.lang.reflect.Method canRead)

Creates an enabled dispatcher.

Parameters:

getModule - The java.lang.Class#getModule() method.

getClassLoader - The java.lang.Module#getClassLoader() method.

isNamed - The java.lang.Module#isNamed() method.

getName - The java.lang.Module#getName() method.

getResourceAsStream - The java.lang.Module#getResourceAsStream(String) method.

isExported - The java.lang.Module#isExported(String,Module) method.

isOpened - The java.lang.Module#isOpened(String,Module) method.

canRead - The java.lang.Module#canRead(Module) method.

Method Detail

isAlive

public boolean isAlive()

Checks if this dispatcher is alive, i.e. supports modules.

Specified by:

isAlive in interface JavaModule.Dispatcher

Returns:

true if modules are supported on the current VM.

moduleOf

public JavaModule moduleOf(java.lang.Class<?> type)

Extracts the Java Module for the provided class or returns null if the current VM does not support modules.

Specified by:

moduleOf in interface JavaModule.Dispatcher

Parameters:

type - The type for which to extract the module.

Returns:

The class's Module or null if the current VM does not support modules.

getResourceAsStream

public java.io.InputStream getResourceAsStream(java.lang.Object module,
                                               java.lang.String name)

Returns a resource stream for this module for a resource of the given name or null if such a resource does not exist.

Specified by:

getResourceAsStream in interface JavaModule.Dispatcher

Parameters:

module - The java.lang.Module instance to apply this method upon.

name - The name of the resource.

Returns:

An input stream for the resource or null if it does not exist.

getClassLoader

public java.lang.ClassLoader getClassLoader(java.lang.Object module)

Returns the module's class loader.

Specified by:

getClassLoader in interface JavaModule.Dispatcher

Parameters:

module - The java.lang.Module

Returns:

The module's class loader.

isNamed

public boolean isNamed(java.lang.Object module)

Returns true if the supplied module is named.

Specified by:

isNamed in interface JavaModule.Dispatcher

Parameters:

module - The java.lang.Module to check for the existence of a name.

Returns:

true if the supplied module is named.

getName

public java.lang.String getName(java.lang.Object module)

Returns the module's name.

Specified by:

getName in interface JavaModule.Dispatcher

Parameters:

module - The java.lang.Module to check for its name.

Returns:

The module's (implicit or explicit) name.

isExported

public boolean isExported(java.lang.Object source,
                          java.lang.Object target,
                          java.lang.String aPackage)

Returns true if the source module exports the supplied package to the target module.

Specified by:

isExported in interface JavaModule.Dispatcher

Parameters:

source - The source module.

target - The target module.

aPackage - The name of the package to check.

Returns:

true if the source module exports the supplied package to the target module.

isOpened

public boolean isOpened(java.lang.Object source,
                        java.lang.Object target,
                        java.lang.String aPackage)

Returns true if the source module opens the supplied package to the target module.

Specified by:

isOpened in interface JavaModule.Dispatcher

Parameters:

source - The source module.

target - The target module.

aPackage - The name of the package to check.

Returns:

true if the source module opens the supplied package to the target module.

canRead

public boolean canRead(java.lang.Object source,
                       java.lang.Object target)

Checks if the source module can read the target module.

Specified by:

canRead in interface JavaModule.Dispatcher

Parameters:

source - The source module.

target - The target module.

Returns:

true if the source module can read the target module.