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########################################################################
# $Header: /var/local/cvsroot/4Suite/Ft/Server/Server/SCore/AliasImp.py,v 1.8 2003/02/18 04:38:43 molson Exp $
"""
Alias repository resource class.
Copyright 2003 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
import XmlDocumentImp
from Ft.Server import FTSERVER_NAMESPACE
from Ft.Server.Common import ResourceTypes, Schema
from Ft.Server.Server import FtServerServerException, Error
class AliasImp(XmlDocumentImp.XmlDocumentImp):
"""
An alias for another repository resource
"""
resourceType = ResourceTypes.ResourceType.ALIAS
def getReference(self):
"""
Traverses the alias and returns its reference (1 step)
"""
self._verifyTx()
stmts = self._driver.getSystemModel().complete(
self._path.absolutePath, Schema.ALIAS_REFERENCE, None)
if not len(stmts):
raise FtServerServerException(Error.BROKEN_ALIAS,
path = self._path.displayPath)
if not self.hasResource(stmts[0].object):
raise FtServerServerException(Error.BROKEN_ALIAS,
path = self._path.displayPath)
return self.fetchResource(stmts[0].object+';no-traverse')
def traverse(self):
"""
Traverses the alias and returns its reference (n steps)
"""
self._verifyTx()
next = self.getReference()
if next.isResourceType(ResourceTypes.ResourceType.ALIAS):
return next.traverse()
return next
def NewAliasXml(driver,reference,path,acl,owner,docDef):
content = """<ftss:Alias xmlns:ftss="%s" reference='%s'/>"""% (FTSERVER_NAMESPACE,str(reference))
return (XmlDocumentImp.NewXmlDocumentXml(driver,
path,
acl,
owner,
'text/xml',
content,
docDef,
ResourceTypes.ResourceType.ALIAS)
,content)
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