source: TI02-CSML/trunk/csml/API/ops_Dataset.py @ 2061

''' ops_Dataset  contains operations for root Dataset class'''

import codecs
import csml.csmllibs.xmlEncoding
import csml.parser_extra

def testmethod(self):
    print 'testmethod for dataset'
    return 'testmethod dataset'

def parse(self,csmlfile):
    """must be provided with csmlfile   parses the csmlfile into self """
    #determine encoding
    f = open(csmlfile)
    startoffile=f.readline()
    encoding=csml.csmllibs.xmlEncoding.autoDetectXMLEncoding(startoffile)
    f.close()
    #parse with correct encoding
    tree = csml.parser_extra.encodingParser(csmlfile,encoding)
    self.fromXML(tree.getroot())
    self =csml.parser_extra.ParserPostProcessor(self).resolveReferences()
    
def getSecurity(self):
    """ returns a dictonary containing attributeAuthority: role"""
    security=[]
    if hasattr(self, 'accessControlPolicy'):
        if hasattr(self.accessControlPolicy,'dgSecurityConditions'):
            for condition in self.accessControlPolicy.dgSecurityConditions:
                #need to test for these but ok for alpha.
                cond=[]
                cond.append(condition.effect)
                cond.append(condition.simpleCondition.dgAttributeAuthority)
                cond.append(condition.simpleCondition.attrauthRole)
                cond.append(condition.conditionExplanationText)
                security.append(cond)
    return security

def getFeatureList(self):
    #returns a list of feature ids for the dataset
    self.featureList = []
    for member in self.featureCollection.featureMembers:
            self.featureList.append(member.id)
    return self.featureList
    
def getFeature(self, featureID):
    """ returns a single feature object """
    for member in self.featureCollection.featureMembers:
            if member.id == featureID:
                return member    

def getFileExtract(self,extractID):
        for extract in self.dataset.arrayDescriptors:
            if  extract.id==extractID:
                return extract