Android-pyApi/android_pyapi/java/rmi.py

"""
Java java.rmi standard library APIs implemented in Python.
java.rmi package - Remote, Registry, Activation, etc.
"""

from __future__ import annotations

from .._core import Stub, AndroidOnlyError
from .lang import RuntimeException, Exception as _JavaException
import typing as _typing

__all__ = [
    "Remote", "RemoteException", "RMISecurityManager", "RMISecurityException",
    "MarshalledObject", "Naming", "NamingException",
    "NotBoundException", "AlreadyBoundException",
    "ConnectException", "ConnectIOException", "ServerException",
    "ServerError", "ServerRuntimeException", "StubNotFoundException",
    "UnexpectedException", "UnmarshalException", "UnknownHostException",
    "NoSuchObjectException", "AccessException", "MarshalException",
    "ExportException", "SocketSecurityException",
    "Registry", "RegistryHandler",
    "ActivationException", "UnknownObjectException",
    "Activatable", "ActivationDesc", "ActivationGroup",
    "ActivationGroupDesc", "ActivationGroupID", "ActivationID",
    "ActivationMonitor", "ActivationSystem", "Activator",
    "RMIClassLoader", "RMISocketFactory", "RMIFailureHandler",
    "LogStream", "RemoteCall", "RemoteRef", "ServerRef", "Operation",
    "RemoteObject", "RemoteServer", "UnicastRemoteObject", "Unreferenced",
]


# ============================================================
# Remote interface
# ============================================================

class Remote(Stub):
    """java.rmi.Remote"""
    pass


# ============================================================
# Exception hierarchy
# ============================================================

class RemoteException(_JavaException):
    """java.rmi.RemoteException"""
    def __init__(self, message=None, cause=None):
        msg = message or ""
        super().__init__(msg)
        self._detail = message
        self._cause = cause

    def getMessage(self):
        return self._detail or ""

    def getCause(self):
        return self._cause


class NamingException(RemoteException):
    """java.rmi.NamingException"""
    pass


class NotBoundException(RemoteException):
    """java.rmi.NotBoundException"""
    pass


class AlreadyBoundException(RemoteException):
    """java.rmi.AlreadyBoundException"""
    pass


class ConnectException(RemoteException):
    """java.rmi.ConnectException"""
    pass


class ConnectIOException(RemoteException):
    """java.rmi.ConnectIOException"""
    pass


class ServerException(RemoteException):
    """java.rmi.ServerException"""
    pass


class ServerError(RemoteException):
    """java.rmi.ServerError"""
    pass


class ServerRuntimeException(RemoteException):
    """java.rmi.ServerRuntimeException"""
    pass


class StubNotFoundException(RemoteException):
    """java.rmi.StubNotFoundException"""
    pass


class UnexpectedException(RemoteException):
    """java.rmi.UnexpectedException"""
    pass


class UnmarshalException(RemoteException):
    """java.rmi.UnmarshalException"""
    pass


class UnknownHostException(RemoteException):
    """java.rmi.UnknownHostException"""
    pass


class NoSuchObjectException(RemoteException):
    """java.rmi.NoSuchObjectException"""
    pass


class AccessException(RemoteException):
    """java.rmi.AccessException"""
    pass


class MarshalException(RemoteException):
    """java.rmi.MarshalException"""
    pass


class ExportException(RemoteException):
    """java.rmi.ExportException"""
    pass


class SocketSecurityException(ExportException):
    """java.rmi.SocketSecurityException"""
    pass


# java.lang.SecurityException (桌面模拟)
class SecurityException(RuntimeException):
    def __init__(self, message=""):
        super().__init__(message)


class RMISecurityException(SecurityException):
    """java.rmi.RMISecurityException"""
    pass


# ============================================================
# RMISecurityManager
# ============================================================

class RMISecurityManager(Stub):
    """java.rmi.RMISecurityManager"""
    def checkConnect(self, host, port):
        pass

    def checkAccept(self, host, port):
        pass

    def checkListen(self, port):
        pass


# ============================================================
# MarshalledObject
# ============================================================

class MarshalledObject(Stub):
    """java.rmi.MarshalledObject"""
    def __init__(self, obj):
        super().__init__()
        self._obj = obj
        import pickle
        self._bytes = pickle.dumps(obj)

    def get(self):
        import pickle
        try:
            return pickle.loads(self._bytes)
        except Exception:
            return self._obj

    def hashCode(self):
        return hash(self._bytes)

    def equals(self, obj):
        if not isinstance(obj, MarshalledObject):
            return False
        return self._bytes == obj._bytes


# ============================================================
# Naming
# ============================================================

class Naming(Stub):
    """java.rmi.Naming"""
    _registry = {}

    @staticmethod
    def lookup(name):
        if name in Naming._registry:
            return Naming._registry[name]
        raise NotBoundException(name)

    @staticmethod
    def bind(name, obj):
        if name in Naming._registry:
            raise AlreadyBoundException(name)
        Naming._registry[name] = obj

    @staticmethod
    def unbind(name):
        if name not in Naming._registry:
            raise NotBoundException(name)
        del Naming._registry[name]

    @staticmethod
    def rebind(name, obj):
        Naming._registry[name] = obj

    @staticmethod
    def list(name):
        return list(Naming._registry.keys())


# ============================================================
# Registry
# ============================================================

class Registry(Stub):
    """java.rmi.registry.Registry"""
    def lookup(self, name):
        raise NotBoundException(name)

    def bind(self, name, obj):
        raise AlreadyBoundException(name)

    def unbind(self, name):
        raise NotBoundException(name)

    def rebind(self, name, obj):
        pass

    def list(self):
        return []

    REGISTRY_PORT = 1099


class RegistryHandler(Stub):
    """java.rmi.registry.RegistryHandler"""
    def registryStub(self, host, port):
        return Registry()

    def registryImpl(self, port):
        return Registry()


# ============================================================
# Activation Exceptions
# ============================================================

class ActivationException(RemoteException):
    """java.rmi.activation.ActivationException"""
    pass


class UnknownObjectException(ActivationException):
    """java.rmi.activation.UnknownObjectException"""
    pass


# ============================================================
# ActivationID
# ============================================================

class ActivationID(Stub):
    """java.rmi.activation.ActivationID"""
    def __init__(self, activator=None):
        super().__init__()
        self._activator = activator

    def activate(self, force):
        if self._activator:
            return self._activator.activate(self, force)
        return None

    def hashCode(self):
        return hash(id(self))

    def equals(self, obj):
        return self is obj


# ============================================================
# ActivationDesc
# ============================================================

class ActivationDesc(Stub):
    """java.rmi.activation.ActivationDesc"""
    def __init__(self, class_name=None, location=None, marshalled_data=None,
                 group_id=None, restart_mode=False):
        super().__init__()
        self._class_name = class_name
        self._location = location
        self._marshalled_data = marshalled_data
        self._group_id = group_id
        self._restart_mode = restart_mode

    def getClassName(self):
        return self._class_name

    def getLocation(self):
        return self._location

    def getData(self):
        return self._marshalled_data

    def getGroupID(self):
        return self._group_id

    def getRestartMode(self):
        return self._restart_mode


# ============================================================
# Activatable
# ============================================================

class Activatable(Remote):
    """java.rmi.activation.Activatable"""
    def __init__(self, activation_desc, port, obj_id=None, server_port=0,
                 csf=None, ssf=None):
        super().__init__()
        self._activation_desc = activation_desc
        self._port = port
        self._group_id = ActivationGroupID()
        self._id = ActivationID()

    @staticmethod
    def register(desc):
        return ActivationID()

    @staticmethod
    def inactive(id_):
        return True

    @staticmethod
    def unregister(id_):
        pass

    @staticmethod
    def exportObject(obj, desc, port):
        return Remote()

    def getID(self):
        return self._id


# ============================================================
# ActivationGroup / ActivationGroupDesc / ActivationGroupID
# ============================================================

class ActivationGroupID(Stub):
    """java.rmi.activation.ActivationGroupID"""
    def __init__(self, activation_system=None):
        super().__init__()
        self._activation_system = activation_system

    def getSystem(self):
        return self._activation_system

    def hashCode(self):
        return hash(id(self))


class ActivationGroupDesc(Stub):
    """java.rmi.activation.ActivationGroupDesc"""
    class CommandEnvironment(Stub):
        def __init__(self, cmd=None, props=None):
            super().__init__()
            self._command = cmd
            self._properties = props or []

        def getCommandPath(self):
            return self._command

        def getCommandProperties(self):
            return self._properties

    def __init__(self, props=None, env=None, class_name=None,
                 location=None, info=None):
        super().__init__()
        self._props = props or {}
        self._env = env or ActivationGroupDesc.CommandEnvironment()
        self._class_name = class_name
        self._location = location
        self._info = info

    def getPropertyOverrides(self):
        return self._props

    def getCommandEnvironment(self):
        return self._env

    def getClassName(self):
        return self._class_name

    def getLocation(self):
        return self._location

    def getData(self):
        return self._info


class ActivationGroup(Activatable):
    """java.rmi.activation.ActivationGroup"""
    def __init__(self, group_id, desc, incarnation):
        super().__init__(None, 0)
        self._group_id = group_id
        self._desc = desc
        self._incarnation = incarnation

    @staticmethod
    def createGroup(id_, desc, incarnation):
        return ActivationGroup(id_, desc, incarnation)

    @staticmethod
    def currentGroupID():
        return ActivationGroupID()

    @staticmethod
    def setGroup(group):
        pass

    @staticmethod
    def activeGroup(id_, group, incarnation):
        return True

    @staticmethod
    def inactiveGroup(group_id):
        pass

    def newInstance(self, desc):
        return None

    def activeObject(self, id_, obj):
        pass

    def inactiveObject(self, id_):
        pass


# ============================================================
# ActivationMonitor / ActivationSystem / Activator
# ============================================================

class ActivationMonitor(Stub):
    """java.rmi.activation.ActivationMonitor"""
    def inactiveObject(self, id_):
        pass

    def activeObject(self, id_, obj):
        pass

    def inactiveGroup(self, group_id, incarnation):
        pass


class ActivationSystem(Stub):
    """java.rmi.activation.ActivationSystem"""
    def registerActivationDesc(self, desc):
        return ActivationID()

    def unregisterActivationDesc(self, id_):
        pass

    def shutdown(self):
        pass

    def setActivationMonitor(self, monitor):
        pass

    def getActivationMonitor(self):
        return ActivationMonitor()

    def activeGroup(self, id_, group, incarnation):
        return ActivationMonitor()

    def registerGroup(self, desc):
        return ActivationGroupID()

    def unregisterGroup(self, group_id):
        pass

    SYSTEM_PORT = 1098


class Activator(Stub):
    """java.rmi.activation.Activator"""
    def activate(self, id_, force):
        return MarshalledObject(None)


# ============================================================
# RMIClassLoader
# ============================================================

class RMIClassLoader(Stub):
    """java.rmi.server.RMIClassLoader"""
    @staticmethod
    def loadClass(codebase, name, default_loader=None):
        import importlib
        try:
            return importlib.import_module(name)
        except ImportError:
            return None

    @staticmethod
    def getClassAnnotation(cls):
        return ""

    @staticmethod
    def getClassLoader(codebase):
        return None

    @staticmethod
    def getDefaultProviderInstance():
        return None

    @staticmethod
    def loadProxyClass(codebase, interfaces, default_loader):
        return None


# ============================================================
# RMISocketFactory / RMIFailureHandler
# ============================================================

class RMISocketFactory(Stub):
    """java.rmi.server.RMISocketFactory"""
    _factory = None
    _handler = None

    @staticmethod
    def getDefaultSocketFactory():
        if RMISocketFactory._factory is None:
            RMISocketFactory._factory = RMISocketFactory()
        return RMISocketFactory._factory

    @staticmethod
    def setSocketFactory(factory):
        RMISocketFactory._factory = factory

    @staticmethod
    def getFailureHandler():
        return RMISocketFactory._handler

    @staticmethod
    def setFailureHandler(handler):
        RMISocketFactory._handler = handler

    def createSocket(self, host, port):
        import socket
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.connect((host, port))
        return s

    def getDefaultPort(self):
        return 0


class RMIFailureHandler(Stub):
    """java.rmi.server.RMIFailureHandler"""
    def failure(self, ex):
        return False


# ============================================================
# LogStream
# ============================================================

class LogStream(Stub):
    """java.rmi.server.LogStream"""
    def __init__(self, name):
        super().__init__()
        self._name = name
        self._stream = None

    @staticmethod
    def log(name):
        return LogStream(name)

    @staticmethod
    def getDefaultStream():
        return None

    @staticmethod
    def setDefaultStream(stream):
        pass

    def getOutputStream(self):
        return self._stream

    def setOutputStream(self, stream):
        self._stream = stream

    def toString(self):
        return self._name

    SILENT = 0
    BRIEF = 10
    VERBOSE = 20


# ============================================================
# RemoteCall / RemoteRef / ServerRef / Operation
# ============================================================

class RemoteCall(Stub):
    """java.rmi.server.RemoteCall"""
    def getInputStream(self):
        return None

    def getOutputStream(self):
        return None

    def getResultStream(self, success):
        return None

    def executeCall(self):
        pass

    def done(self):
        pass

    def releaseInputStream(self):
        pass

    def releaseOutputStream(self):
        pass


class RemoteRef(Stub):
    """java.rmi.server.RemoteRef"""
    def invoke(self, call):
        return None

    def remoteEquals(self, obj):
        return False

    def remoteHashCode(self):
        return 0

    def remoteToString(self):
        return ""

    def getRefClass(self, out):
        return ""

    def newCall(self, obj, operations, opnum, hash_):
        return RemoteCall()

    def invoke(self, call):
        pass

    def done(self, call):
        pass

    packagePrefix = "sun.rmi.server"


class ServerRef(RemoteRef):
    """java.rmi.server.ServerRef"""
    def exportObject(self, obj, data):
        return RemoteStub()

    def getClientHost(self):
        return "localhost"


class RemoteStub(Stub):
    """java.rmi.server.RemoteStub"""
    def __init__(self, ref=None):
        super().__init__()
        self._ref = ref


class Operation(Stub):
    """java.rmi.server.Operation"""
    def __init__(self, name):
        super().__init__()
        self._name = name

    def getOperation(self):
        return self._name

    def toString(self):
        return self._name


# ============================================================
# RemoteObject / RemoteServer / UnicastRemoteObject
# ============================================================

class RemoteObject(Stub):
    """java.rmi.server.RemoteObject"""
    def __init__(self, ref=None):
        super().__init__()
        self._ref = ref

    def getRef(self):
        return self._ref

    def toString(self):
        return "RemoteObject"

    def hashCode(self):
        return super().hashCode()

    def equals(self, obj):
        return super().equals(obj)


class RemoteServer(RemoteObject):
    """java.rmi.server.RemoteServer"""
    def __init__(self, ref=None):
        super().__init__(ref)

    @staticmethod
    def getClientHost():
        return "localhost"

    @staticmethod
    def setLog(output_stream):
        pass

    @staticmethod
    def getLog():
        return None


class UnicastRemoteObject(RemoteServer):
    """java.rmi.server.UnicastRemoteObject"""
    def __init__(self, port=0, csf=None, ssf=None):
        super().__init__()
        self._port = port
        self._csf = csf
        self._ssf = ssf
        self._exported = False

    @staticmethod
    def exportObject(obj, port=0, csf=None, ssf=None):
        return RemoteStub()

    @staticmethod
    def unexportObject(obj, force):
        return True

    def clone(self):
        return UnicastRemoteObject(self._port)


class Unreferenced(Stub):
    """java.rmi.server.Unreferenced"""
    def unreferenced(self):
        pass