Package org.jboss.modules

Class ClassDefiner

java.lang.Object

org.jboss.modules.ClassDefiner

public final class ClassDefiner
extends Object

A hook for frameworks which need to define additional classes to a module's class loader.

Method Summary

Modifier and Type	Method	Description
Class<?>	defineClass(Class<?> originalClass, String className, byte[] classBytes)	Define a class using the module and protection domain of an existing class.
Class<?>	defineClass(Class<?> originalClass, String className, byte[] classBytes, int off, int len)	Define a class using the module and protection domain of an existing class.
Class<?>	defineClass(Class<?> originalClass, String className, ByteBuffer classBytes)	Define a class using the module and protection domain of an existing class.
Class<?>	defineClass(Class<?> originalClass, String className, ProtectionDomain protectionDomain, byte[] classBytes)	Define a class using the module of an existing class.
Class<?>	defineClass(Class<?> originalClass, String className, ProtectionDomain protectionDomain, byte[] classBytes, int off, int len)	Define a class using the module of an existing class.
Class<?>	defineClass(Class<?> originalClass, String className, ProtectionDomain protectionDomain, ByteBuffer classBytes)	Define a class using the module of an existing class.
Class<?>	defineClass(Module module, String className, ProtectionDomain protectionDomain, byte[] classBytes)	Define a class.
Class<?>	defineClass(Module module, String className, ProtectionDomain protectionDomain, byte[] classBytes, int off, int len)	Define a class.
Class<?>	defineClass(Module module, String className, ProtectionDomain protectionDomain, ByteBuffer classBytes)	Define a class.
static ClassDefiner	getInstance()	Get the class definer instance.

Methods inherited from class java.lang.Object

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

Method Detail

defineClass

public Class<?> defineClass(Class<?> originalClass,
                            String className,
                            ByteBuffer classBytes)

Define a class using the module and protection domain of an existing class.

Parameters:

originalClass - the existing class (must not be null)

className - the new class name (must not be null)

classBytes - the new class bytes (must not be null)

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Class<?> originalClass,
                            String className,
                            byte[] classBytes,
                            int off,
                            int len)

Define a class using the module and protection domain of an existing class.

Parameters:

originalClass - the existing class (must not be null)

className - the new class name (must not be null)

classBytes - the new class bytes (must not be null)

off - the offset into the classBytes array

len - the number of bytes to use from the classBytes array

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Class<?> originalClass,
                            String className,
                            byte[] classBytes)

Define a class using the module and protection domain of an existing class.

Parameters:

originalClass - the existing class (must not be null)

className - the new class name (must not be null)

classBytes - the new class bytes (must not be null)

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Class<?> originalClass,
                            String className,
                            ProtectionDomain protectionDomain,
                            ByteBuffer classBytes)

Define a class using the module of an existing class.

Parameters:

originalClass - the existing class (must not be null)

className - the new class name (must not be null)

protectionDomain - the protection domain of the new class (must not be null)

classBytes - the new class bytes (must not be null)

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Class<?> originalClass,
                            String className,
                            ProtectionDomain protectionDomain,
                            byte[] classBytes,
                            int off,
                            int len)

Define a class using the module of an existing class.

Parameters:

originalClass - the existing class (must not be null)

className - the new class name (must not be null)

protectionDomain - the protection domain of the new class (must not be null)

classBytes - the new class bytes (must not be null)

off - the offset into the classBytes array

len - the number of bytes to use from the classBytes array

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Class<?> originalClass,
                            String className,
                            ProtectionDomain protectionDomain,
                            byte[] classBytes)

Define a class using the module of an existing class.

Parameters:

originalClass - the existing class (must not be null)

className - the new class name (must not be null)

protectionDomain - the protection domain of the new class (must not be null)

classBytes - the new class bytes (must not be null)

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Module module,
                            String className,
                            ProtectionDomain protectionDomain,
                            ByteBuffer classBytes)

Define a class.

Parameters:

module - the module to define the class to (must not be null)

className - the new class name (must not be null)

protectionDomain - the protection domain of the new class (must not be null)

classBytes - the new class bytes (must not be null)

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Module module,
                            String className,
                            ProtectionDomain protectionDomain,
                            byte[] classBytes,
                            int off,
                            int len)

Define a class.

Parameters:

module - the module to define the class to (must not be null)

className - the new class name (must not be null)

protectionDomain - the protection domain of the new class (must not be null)

classBytes - the new class bytes (must not be null)

off - the offset into the classBytes array

len - the number of bytes to use from the classBytes array

Returns:

the defined class (not null)

defineClass

public Class<?> defineClass(Module module,
                            String className,
                            ProtectionDomain protectionDomain,
                            byte[] classBytes)

Define a class.

Parameters:

module - the module to define the class to (must not be null)

className - the new class name (must not be null)

protectionDomain - the protection domain of the new class (must not be null)

classBytes - the new class bytes (must not be null)

Returns:

the defined class (not null)

getInstance

public static ClassDefiner getInstance()

Get the class definer instance. The caller must have the createClassLoader RuntimePermission.

Returns:

the singleton class definer instance (not null)