[Zope-Checkins] CVS: Zope3/lib/python/Zope/ComponentArchitecture - IAdapterService.py:1.1.2.1

[Jim Fulton]

Update of /cvs-repository/Zope3/lib/python/Zope/ComponentArchitecture
In directory cvs.zope.org:/tmp/cvs-serv8432

Added Files:
      Tag: Zope-3x-branch
	IAdapterService.py 
Log Message:
Factored IComponentArchitecture into service interfaces

=== Added File Zope3/lib/python/Zope/ComponentArchitecture/IAdapterService.py ===
##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
# 
##############################################################################
"""

Revision information: $Id: IAdapterService.py,v 1.1.2.1 2002/01/06 23:38:51 jim Exp $
"""

from Interface import Interface

class IAdapterService(Interface):

    def provideAdapter(forInterface, providedInterface, maker):
        """Provide an adapter

        An adapter provides an interface for objects that have another
        interface.

        Arguments:

        forInterface -- The interface the adapter provides an interface for.

        providedInterface -- The provided interface

        maker -- a callable object that gets an adapter component for
        a context component.
        """

    def getAdapter(object, interface, default=None):
        """Look up an adapter that provides an interface for an object

        The object also provides a place to look for placeful adapters.

        A Zope.ComponentArchitecture.ComponentLookupError will be
        raised if the component can't be found.
        """