Package org.jboss.weld.serialization.spi

Interface ProxyServices

All Superinterfaces:
Service
public interface ProxyServices extends Service

Support services related to proxy generation and serialization which are required to be implemented by all containers.

These services are used by all Weld proxy classes to ensure the correct class loaders are used and to aid in the serialization and deserialization of these classes across container instances.

Required in all environments since proxies are always in use. If no such service is provided by integrator, a default implementation will be used which will use the information extracted directly from the type of proxy.

ProxyServices is a per-deployment service.

Author:
David Allen, Matej Novotny

  • Method Summary

    Modifier and Type
    Method
    Description
    default Class<?>
    defineClass(Class<?> originalClass, String className, byte[] classBytes, int off, int len)
    Given a base type (class or interface), define a proxy class for this type.
    default Class<?>
    defineClass(Class<?> originalClass, String className, byte[] classBytes, int off, int len, ProtectionDomain protectionDomain)
    Given a base type (class or interface), define a proxy class for this type.
    default Class<?>
    loadClass(Class<?> originalClass, String classBinaryName)
    Given a base type (class or interface), attempts to load a proxy of that class.

    Methods inherited from interface org.jboss.weld.bootstrap.api.Service

    cleanup

  • Method Details

    • defineClass

      default Class<?> defineClass(Class<?> originalClass, String className, byte[] classBytes, int off, int len) throws ClassFormatError
      Given a base type (class or interface), define a proxy class for this type. Integrators should use the base type to determine a proper ClassLoader instance to forward creation to. Mimics ClassLoader.defineClass(String name, byte[] b, int off, int len). Returns the created class object or throws an exception if there data are not valid or if there is any other problem registering the class with the ClassLoader.
      Parameters:
      originalClass - The base type (class or interface) being proxied
      className - The binary name of the class
      classBytes - The bytes that make up the class data
      off - The start offset in classBytes of the class data
      len - The length of the class data
      Returns:
      The Class object created from the data
      Throws:
      ClassFormatError - If the data did not contain a valid class

    • defineClass

      default Class<?> defineClass(Class<?> originalClass, String className, byte[] classBytes, int off, int len, ProtectionDomain protectionDomain) throws ClassFormatError
      Given a base type (class or interface), define a proxy class for this type. Integrators should use the base type to determine a proper ClassLoader instance to forward creation to. The ProtectionDomain passed as an argument can be null (see default implementation of the second defineClass() method). In such a case a new ProtectionDomain should be derived from the originalClass. Mimics ClassLoader.defineClass(String name, byte[] b, int off, int len, ProtectionDomain domain). Returns the created class object or throws an exception if there data are not valid or if there is any other problem registering the class with the ClassLoader.
      Parameters:
      originalClass - The base type (class or interface) being proxied
      className - The binary name of the class
      classBytes - The bytes that make up the class data
      off - The start offset in classBytes of the class data
      len - The length of the class data
      protectionDomain - The ProtectionDomain of the class or null
      Returns:
      The Class object created from the data
      Throws:
      ClassFormatError - If the data did not contain a valid class

    • loadClass

      default Class<?> loadClass(Class<?> originalClass, String classBinaryName) throws ClassNotFoundException
      Given a base type (class or interface), attempts to load a proxy of that class. Integrators should use the base type to determine proper ClassLoader instance to query.
      Parameters:
      originalClass - The base type (class or interface) whose proxy we try to load
      classBinaryName - The binary name of the class
      Returns:
      The Class object for given binary name of the class
      Throws:
      ClassNotFoundException - If the class was not found