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########################################################################
# $Header: /var/local/cvsroot/4Suite/Ft/Server/Server/SCore/RawFileImp.py,v 1.17 2005/01/16 07:34:38 jkloth Exp $
"""
Rawfile 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 types
import ResourceMetaDataImp
from Ft.Server import FTSERVER_NAMESPACE
from Ft.Server.Common import ResourceTypes, Schema
from Ft.Server.Common import SchematronStylesheet, XmlLib
from Ft.Server.Server import FtServerServerException, Error
from Ft.Server.Server.Drivers import FtssDriver, FtssInputSource
from Ft.Xml.XLink import XLINK_NAMESPACE
from Ft.Xml.Xslt import StylesheetReader
class RawFileImp(ResourceMetaDataImp.ResourceMetaDataImp):
"""
Every resource in the repository is a RawFile
"""
resourceType = ResourceTypes.ResourceType.RAW_FILE
def getMetaDataResource(self):
"""
Get the string meta data of this resource
"""
self._verifyTx()
p = self._path.normalize(".;metadata;no-traverse")
return self._fetchResource(p)
def getContentResource(self):
"""
Get the resource the represents the content of this object
"""
self._verifyTx()
return self
def getImt(self):
"""
Returns the Internet Media Type of the raw file resource
"""
self._verifyTx()
res = self._driver.getSystemModel().complete(self._path.absolutePath, Schema.IMT, None)
if not res:
raise FtServerServerException(Error.UNKNOWN_PATH,
path = self._path)
return res[0].object
def getContent(self):
"""
Get the string content of this resource
"""
self._verifyTx()
return self._driver.fetchResource(self._path)
##########################################
#XML Interfaces
##########################################
def asStylesheet(self):
"""
Return this object as a non-live compiled stylesheet
"""
self._verifyTx()
reader = StylesheetReader.StylesheetReader()
# register extension elements with the reader
# NOTE: this is only needed for compiled stylesheets as
# the Processor interface will take care of this
functions, elements = self.getExtFunctionsAndElements()
reader.addExtensionElementMapping(elements)
isrc = FtssInputSource.FtssInputSourceFactory.fromString(
self.getContent(),
self._path.absolutePathAsUri,
self._driver)
return reader.fromSrc(isrc)
def asSchematron(self):
"""
Return this object as a non-live compiled schematron document
"""
self._verifyTx()
return SchematronStylesheet.ParseSchematron(
self.getContent(),
self._path.absolutePathAsUri,
self._driver)
##########################################
#Mutation Interfaces
##########################################
def setImt(self,imt):
"""
Sets the Internet Media Type of the raw file resource
"""
self._verifyTx()
xu = XmlLib.MakeString(SET_IMT_XUPDATE%(FTSERVER_NAMESPACE,XLINK_NAMESPACE,imt))
self._driver.xupdateMetaData(self._path,xu)
def setContent(self,src):
"""
Set the string content of this resource
"""
self._verifyTx()
if type(src) != types.StringType:
raise TypeError("src must be a string object")
self._driver.updateResourceContent(self._path,src)
SET_IMT_XUPDATE="""<xupdate:modifications
version="1.0"
xmlns:xupdate="http://www.xmldb.org/xupdate"
xmlns:ftss="%s"
xmlns:xlink="%s"
>
<xupdate:update select="/ftss:MetaData/ftss:Imt">%s</xupdate:update>
</xupdate:modifications>
"""
def NewRawFileXml(driver,path,acl,owner,imt,src):
a = driver.aclToXml(acl)
t = FtssDriver.CurrentTime()
md = """<ftss:MetaData xmlns:ftss="%s" path='%s' type='%s' creation-date='%s'>
%s
<ftss:LastModifiedDate>%s</ftss:LastModifiedDate>
<ftss:Owner>%s</ftss:Owner>
<ftss:Imt>%s</ftss:Imt>
<ftss:Size>%d</ftss:Size>
</ftss:MetaData>
""" % (FTSERVER_NAMESPACE,
path,
Schema.g_rdfResourceTypes[ResourceTypes.ResourceType.RAW_FILE],
t,
a,
t,
owner,
imt,
len(src))
return XmlLib.MakeString(md)
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