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 Details

    • 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)