diff -r 000000000000 -r 2e8eeb919028 configurationengine/source/cone/confml/persistentconfml.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/configurationengine/source/cone/confml/persistentconfml.py	Thu Mar 11 17:04:37 2010 +0200
@@ -0,0 +1,1164 @@
+#
+# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Nokia Corporation - initial contribution.
+#
+# Contributors:
+#
+# Description: 
+#
+import re
+import logging
+import xml.parsers.expat
+try:
+    from cElementTree import ElementTree
+except ImportError:
+    try:    
+        from elementtree import ElementTree
+    except ImportError:
+        try:
+            from xml.etree import cElementTree as ElementTree
+        except ImportError:
+            from xml.etree import ElementTree
+
+""" cone specific imports """
+from cone.public import persistence, exceptions, api, utils, container
+from cone.confml import model
+
+CONFIGURATION_NAMESPACES = ["http://www.s60.com/xml/confml/2","http://www.s60.com/xml/confml/1"]
+INCLUDE_NAMESPACES       = ["http://www.w3.org/2001/XInclude","http://www.w3.org/2001/xinclude"]
+XLINK_NAMESPACES         = ["http://www.w3.org/1999/xlink"]
+SCHEMA_NAMESPACES        = ["http://www.w3.org/2001/XMLSchema"]
+CV_NAMESPACE             = {"http://www.nokia.com/xml/cpf-id/1": "cv"}
+MODEL                    = model
+
+def dumps(obj, indent=True):
+    etree = ConfmlWriter().dumps(obj)
+    if indent:
+        persistence.indent(etree)
+    return ElementTree.tostring(etree)
+
+def loads(xml):
+    return ConfmlReader().loads(xml)
+
+
+
+class ConfmlWriter(persistence.ConeWriter):
+    """
+    """ 
+    def dumps(self, obj):
+        """
+        @param obj: The object 
+        """
+        """ Make sure that the object is mapped to an object in this model """
+        mobj = obj._get_mapper('confml').map_object(obj)
+        writer = get_writer_for_class(mobj.__class__.__name__)
+        return writer.dumps(obj)
+
+class ConfmlReader(persistence.ConeReader):
+    """
+    """ 
+    def loads(self, xmlstr):
+        """
+        @param xml: The xml which to read. reads only the first object. 
+        """
+        reader = get_reader_for_elem("configuration")
+        etree = utils.etree.fromstring(xmlstr)
+        return reader.loads(etree)
+
+
+class ConfigurationWriter(ConfmlWriter):
+    """
+    Writes a single Configuration project confml file.
+    """ 
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="Configuration" or \
+           classname=="ConfmlConfiguration" :
+            return True
+        else:
+            return False
+
+    def __init__(self):
+        self.configuration_namespace = CONFIGURATION_NAMESPACES[0]
+        self.include_namespace       = INCLUDE_NAMESPACES[0]
+        self.xlink_namespace         = XLINK_NAMESPACES[0]
+        self.schema_namespace        = SCHEMA_NAMESPACES[0]
+    
+    def dumps(self,obj,indent=True):
+        elem = ElementTree.Element("configuration")
+        if self.configuration_namespace:
+            elem.set("xmlns",self.configuration_namespace)
+        if self.include_namespace:
+            elem.set("xmlns:xi",self.include_namespace)
+        if self.include_namespace:
+            elem.set("xmlns:xlink",self.xlink_namespace)
+        if self.schema_namespace:
+            elem.set("xmlns:xs",self.schema_namespace)
+        elem.set("name",obj.get_name()) 
+        for child in obj._objects():
+            """ Make sure that the object is mapped to an object in this model """
+            mobj = child._get_mapper('confml').map_object(child)
+            writer = get_writer_for_class(mobj.__class__.__name__)
+            childelem = writer.dumps(child)
+            elem.append(childelem)
+        return elem
+ 
+
+class ConfigurationReader(ConfmlReader):
+    """
+    Parses a single CPF configuration project root confml file. Parses the XInclude statements to 
+    find out the layers inside the project
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given elem name
+        """
+        if elemname=="configuration":
+            return True
+        else:
+            return False
+
+    def __init__(self):
+        self.configuration_namespaces  = CONFIGURATION_NAMESPACES
+        self.include_namespaces        = INCLUDE_NAMESPACES
+        self.schema_namespaces         = SCHEMA_NAMESPACES
+
+    def loads(self, etree):
+        configuration = model.ConfmlConfiguration("")
+        configuration.set_name(etree.get("name") or 'unknown') 
+        configuration.set_ref(etree.get("name") or 'unknown')
+        for elem in etree.getchildren():
+            # At the moment we ignore the namespace of elements
+            (namespace,elemname) = get_elemname(elem.tag)
+            try:
+                reader = get_reader_for_elem(elemname)
+                obj = reader.loads(elem)
+                if obj:
+                    configuration.add(obj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return configuration
+
+
+class MetaWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlMeta":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        
+        elem = ElementTree.Element("meta")
+        for metaproperty in obj:
+            prefix = CV_NAMESPACE.get(metaproperty.ns, "")
+            if prefix != "":
+                #Including namespace to metadata element as well            
+                elem.set(("xmlns:%s" % prefix), metaproperty.ns)
+                childelem = ElementTree.Element(prefix + ":" + metaproperty.tag)
+            else:
+                childelem = ElementTree.Element(metaproperty.tag)
+            if metaproperty.value != None:
+                childelem.text = metaproperty.value
+            for attr in metaproperty.attrs:
+                childelem.set(attr, metaproperty.attrs[attr])
+            elem.append(childelem)
+        return elem
+
+
+class MetaReader(ConfmlReader):
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="meta":
+            return True
+        else:
+            return False
+
+    def loads(self,etree):
+        metaelem = model.ConfmlMeta()
+        for elem in etree.getchildren():            
+            (namespace,elemname) = get_elemname(elem.tag)
+            attributes = {}
+            for key in elem.keys():
+                attributes[key] = elem.get(key)
+            
+            metaprop = model.ConfmlMetaProperty(elemname, elem.text, namespace, attrs=attributes)
+            metaelem.append(metaprop)
+        return metaelem
+
+
+class DescWriter(ConfmlWriter):
+    """
+    """ 
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlDescription":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        elem = ElementTree.Element('desc')
+        elem.text = obj.text
+        return elem
+
+
+class DescReader(ConfmlReader):
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlReader supports reading
+        of the given elem name
+        """
+        if elemname=="desc":
+            return True
+        else:
+            return False
+
+    def loads(self,elem):
+        desc = model.ConfmlDescription(elem.text)
+        return desc
+
+class ConfigurationProxyWriter(ConfmlWriter):
+    """
+    """ 
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfigurationProxy":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        elem = self.to_include(obj.path)
+        return elem
+
+    def to_include(self,include):
+        elem = ElementTree.Element("xi:include",{"href":include})
+        return elem 
+
+class ConfigurationProxyReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="include":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        
+        return api.ConfigurationProxy(self.parse_include(elem))
+
+    def parse_include(self,include):
+        #print "Found include %s" % include.get('href').replace('#/','')
+        return include.get('href').replace('#/','')
+
+
+class FeatureWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlFeature" or \
+           classname=="Feature":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        elem = ElementTree.Element('feature', 
+                                   {'ref' : obj.get_ref(),
+                                    'name' : obj.get_name()})
+        if obj.get_type():
+            elem.set('type', obj.get_type())
+        for child in obj._objects():
+            """ Make sure that the object is mapped to an object in this model """
+            mobj = child._get_mapper('confml').map_object(child)
+            writer = get_writer_for_class(mobj.__class__.__name__)
+            childelem = writer.dumps(child)
+            if childelem != None:
+                elem.append(childelem)
+        return elem
+
+
+class FeatureReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="feature":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        type = elem.get('type')
+        if type == 'sequence':
+            feature = api.FeatureSequence(elem.get('ref'))
+        else:
+            feature = model.ConfmlFeature(elem.get('ref'))
+        if elem.get('name'):
+            feature.set_name(elem.get('name'))
+        feature.set_type(type)
+        for elem in elem.getchildren():
+            # At the moment we ignore the namespace of elements
+            (namespace,elemname) = get_elemname(elem.tag)
+            try:
+                reader = get_reader_for_elem(elemname)
+                obj = reader.loads(elem)
+                feature.add(obj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return feature
+
+
+class OptionWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="Option":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Option object 
+        """
+        
+        objdict = {}
+        if obj.get_name() is not None: objdict['name'] = obj.get_name()
+        if obj.get_value() is not None: objdict['value'] = obj.get_value()
+        if obj.map is not None: objdict['map'] = obj.map
+        if obj.relevant is not None: objdict['relevant'] = obj.relevant
+        elem = ElementTree.Element('option', objdict)
+        
+        return elem
+
+
+class OptionReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="option":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        name = elem.get('name')
+        value = elem.get('value')
+        optmap = elem.get('map')
+        if value == None and optmap == None:
+            logging.getLogger('cone').warning("Encountered option with no value")
+            option = None
+        else:
+            option = api.Option(name, value, map=optmap, relevant=elem.get('relevant'))
+        return option
+
+
+class IconWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlIcon":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Option object 
+        """
+        elem = ElementTree.Element('icon', 
+                                   {'xlink:href' : obj.href})
+        return elem
+
+
+class IconReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="icon":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        href = elem.get('{%s}href' % XLINK_NAMESPACES[0])
+        obj = model.ConfmlIcon(href)
+        return obj
+
+
+class PropertyWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlProperty":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Option object 
+        """
+        elem = ElementTree.Element('property')
+        if obj.name != None:
+            elem.set('name', obj.name)
+        if obj.value != None:
+            elem.set('value', obj.value)
+        if obj.unit != None:
+            elem.set('unit', obj.unit)
+        return elem
+
+
+class PropertyReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="property":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        option = model.ConfmlProperty(name=elem.get('name'),value=elem.get('value'), unit=elem.get('unit'))
+        return option
+
+
+class XmlSchemaFacetWriter(ConfmlWriter):
+    MAPPING = {'ConfmlLength'       : 'xs:length',
+               'ConfmlMinLength'    : 'xs:minLength',
+               'ConfmlMaxLength'    : 'xs:maxLength',
+               'ConfmlMinInclusive' : 'xs:minInclusive',
+               'ConfmlMaxInclusive' : 'xs:maxInclusive',
+               'ConfmlMinExclusive' : 'xs:minExclusive',
+               'ConfmlMaxExclusive' : 'xs:maxExclusive',
+               'ConfmlPattern'      : 'xs:pattern',
+               'ConfmlTotalDigits'  : 'xs:totalDigits'}
+    
+    @classmethod
+    def supported_class(cls, classname):
+        return classname in cls.MAPPING
+    
+    def dumps(self, obj):
+        """
+        @param obj: The facet object 
+        """
+        
+        classname = obj.__class__.__name__
+        elem = ElementTree.Element(self.MAPPING[classname])
+        if obj.value != None:
+            elem.set('value', str(obj.value))
+        return elem
+
+class XmlSchemaFacetReader(ConfmlReader):
+    MAPPING = {'length'       : model.ConfmlLength,
+               'minLength'    : model.ConfmlMinLength,
+               'maxLength'    : model.ConfmlMaxLength,
+               'minInclusive' : model.ConfmlMinInclusive,
+               'maxInclusive' : model.ConfmlMaxInclusive,
+               'minExclusive' : model.ConfmlMinExclusive,
+               'maxExclusive' : model.ConfmlMaxExclusive,
+               'pattern'      : model.ConfmlPattern,
+               'totalDigits'  : model.ConfmlTotalDigits}
+    
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        return elemname in cls.MAPPING
+    
+    def loads(self, elem):
+        """
+        @param elem: The XML schema facet element
+        """
+        elem_name = utils.xml.split_tag_namespace(elem.tag)[1]
+        facet_class = self.MAPPING[elem_name]
+        obj = facet_class(elem.get('value'))
+        return obj
+
+
+class DataWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="Data":
+            return True
+        if classname=="DataContainer":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Data object 
+        """
+        # Create a data hierarchy of the 
+        elem = ElementTree.Element(obj.get_ref())
+        if hasattr(obj,'get_value') and obj.get_value() and not obj.get_map():
+            elem.text = obj.get_value()
+        elif hasattr(obj,'get_map') and obj.get_map():
+            elem.set('map', obj.get_map())
+        if hasattr(obj,'template') and obj.template == True:
+            elem.set('template','true')
+        if hasattr(obj,'policy') and obj.policy != '':
+            elem.set('extensionPolicy',obj.policy)
+        for child in obj._objects():
+            writer = DataWriter()
+            childelem = writer.dumps(child)
+            if childelem != None:
+                elem.append(childelem)
+        return elem
+
+
+class DataReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="data":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        
+        (namespace,elemname) = get_elemname(elem.tag)
+        obj = api.DataContainer(elemname, container=True)
+        for elem in elem.getchildren():
+            try:
+                reader = ElemReader(attr='data')
+                childobj = reader.loads(elem)
+                obj.add(childobj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return obj
+
+
+class ViewWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="View" or \
+           classname=="ConfmlView":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        elem = ElementTree.Element('view', 
+                                   {'id' : obj.get_ref(),
+                                    'name' : obj.get_name()})
+        for child in obj._objects():
+            """ Make sure that the object is mapped to an object in this model """
+            mobj = child._get_mapper('confml').map_object(child)
+            writer = get_writer_for_class(mobj.__class__.__name__)
+            childelem = writer.dumps(child)
+            if childelem != None:
+                elem.append(childelem)
+        return elem
+
+
+class ViewReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="view":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        vid = elem.get('id')
+        name = elem.get('name')
+        view = model.ConfmlView(name, id=vid)
+        for elem in elem.getchildren():
+            # At the moment we ignore the namespace of elements
+            (namespace,elemname) = get_elemname(elem.tag)
+            try:
+                reader = get_reader_for_elem(elemname)
+                obj = reader.loads(elem)
+                view.add(obj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return view
+
+
+class GroupWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="Group" or classname=="ConfmlGroup":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        elem = ElementTree.Element('group', 
+                                   {'name' : obj.get_name()})
+        for child in obj._objects():
+            """ Make sure that the object is mapped to an object in this model """
+            mobj = child._get_mapper('confml').map_object(child)
+            writer = get_writer_for_class(mobj.__class__.__name__)
+            childelem = writer.dumps(child)
+            if childelem != None:
+                elem.append(childelem)
+        return elem
+
+
+class GroupReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=='group':
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        gname = elem.get('name')
+        gref = utils.resourceref.to_dref(gname).replace('.','_')
+        group = model.ConfmlGroup(gref, name=gname)
+        for elem in elem.getchildren():
+            # At the moment we ignore the namespace of elements
+            (namespace,elemname) = get_elemname(elem.tag)
+            try:
+                reader = get_reader_for_elem(elemname, 'group')
+                obj = reader.loads(elem)
+                if obj != None:
+                    group.add(obj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return group
+
+
+class GroupSettingWriter(ConfmlWriter):
+    """
+    """ 
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="FeatureLink":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        ref = obj.fqr.replace('.','/')
+        elem = ElementTree.Element('setting', 
+                                   {'ref' : ref})
+        return elem
+
+class GroupSettingReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=='setting' and parent=='group':
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        ref = elem.get('ref') or ''
+        ref = ref.replace('/','.')
+        return api.FeatureLink(ref)
+
+
+
+class ConfmlSettingWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlSetting" or \
+           classname=="ConfmlStringSetting" or \
+           classname=="ConfmlIntSetting" or \
+           classname=="ConfmlRealSetting" or \
+           classname=="ConfmlBooleanSetting" or \
+           classname=="ConfmlSelectionSetting" or \
+           classname=="ConfmlMultiSelectionSetting" or \
+           classname=="ConfmlDateSetting" or \
+           classname=="ConfmlTimeSetting" or \
+           classname=="ConfmlDateTimeSetting" or \
+           classname=="ConfmlDurationSetting" or \
+           classname=="ConfmlFileSetting" or \
+           classname=="ConfmlFolderSetting" or \
+           classname=="FeatureSequence" or \
+           classname=="ConfmlSequenceSetting":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The Configuration object 
+        """
+        elem = ElementTree.Element('setting', 
+                                   {'ref' : obj.get_ref(),
+                                    'name' : obj.get_name()})
+        if obj.type:
+            elem.set('type', obj.get_type())
+        if hasattr(obj,'minOccurs'):
+            elem.set('minOccurs', str(obj.minOccurs))
+        if hasattr(obj,'maxOccurs'):
+            elem.set('maxOccurs', str(obj.maxOccurs))
+        if hasattr(obj,'readOnly') and obj.readOnly != None:
+            elem.set('readOnly', str(obj.readOnly).lower())
+        if hasattr(obj,'required') and obj.required != None:
+            elem.set('required', str(obj.required).lower())
+        if hasattr(obj,'constraint') and obj.constraint != None:
+            elem.set('constraint', obj.constraint)
+        if hasattr(obj,'relevant') and obj.relevant != None:
+            elem.set('relevant', obj.relevant)
+        if hasattr(obj,'mapKey') and obj.mapKey is not None:
+            elem.set('mapKey', str(obj.mapKey))
+        if hasattr(obj,'mapValue') and obj.mapValue is not None:
+            elem.set('mapValue', str(obj.mapValue))
+            
+        for child in obj._objects():
+            """ Make sure that the object is mapped to an object in this model """
+            mobj = child._get_mapper('confml').map_object(child)
+            writer = get_writer_for_class(mobj.__class__.__name__)
+            childelem = writer.dumps(child)
+            if childelem != None:
+                elem.append(childelem)
+        return elem
+
+
+class ConfmlSettingReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if parent and not (parent=='feature' or parent=='setting'):
+             return False
+        if elemname=='setting':
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        typedef = elem.get('type')
+        if typedef == 'sequence':
+            map_key = elem.get('mapKey')
+            map_value = elem.get('mapValue')
+            feature = model.ConfmlSequenceSetting(elem.get('ref'), mapKey=map_key, mapValue=map_value)
+        elif typedef == 'int':
+            feature = model.ConfmlIntSetting(elem.get('ref'))
+        elif typedef == 'boolean':
+            feature = model.ConfmlBooleanSetting(elem.get('ref'))
+        elif typedef == 'selection':
+            feature = model.ConfmlSelectionSetting(elem.get('ref'))
+        elif typedef == 'multiSelection':
+            feature = model.ConfmlMultiSelectionSetting(elem.get('ref'))
+        elif typedef == 'string':
+            feature = model.ConfmlStringSetting(elem.get('ref'))
+        elif typedef == 'real':
+            feature = model.ConfmlRealSetting(elem.get('ref'))
+        elif typedef == 'file':
+            feature = model.ConfmlFileSetting(elem.get('ref'))
+        elif typedef == 'folder':
+            feature = model.ConfmlFolderSetting(elem.get('ref'))
+        elif typedef == 'date':
+            feature = model.ConfmlDateSetting(elem.get('ref'))
+        elif typedef == 'time':
+            feature = model.ConfmlTimeSetting(elem.get('ref'))
+        elif typedef == 'dateTime':
+            feature = model.ConfmlDateTimeSetting(elem.get('ref'))
+        elif typedef == 'duration':
+            feature = model.ConfmlDurationSetting(elem.get('ref'))
+        
+           
+        else:
+            # Handle the default setting as int type
+            feature = model.ConfmlSetting(elem.get('ref'), type=None)
+        
+        if elem.get('name'):
+            feature.set_name(elem.get('name'))
+        if elem.get('minOccurs'):
+            feature.minOccurs = int(elem.get('minOccurs'))
+        if elem.get('maxOccurs'):
+            feature.maxOccurs = int(elem.get('maxOccurs'))
+        if elem.get('readOnly'):
+            feature.readOnly = elem.get('readOnly') == 'true' or False
+        if elem.get('required'):
+            feature.required = elem.get('required') == 'true' or False
+        if elem.get('constraint'):
+            feature.constraint = elem.get('constraint')
+        if elem.get('relevant'):
+            feature.relevant = elem.get('relevant')
+        
+        for elem in elem.getchildren():
+            # At the moment we ignore the namespace of elements
+            (namespace,elemname) = get_elemname(elem.tag)
+            try:
+                reader = get_reader_for_elem(elemname)
+                obj = reader.loads(elem)
+                if obj != None:
+                    feature.add(obj,container.APPEND)
+                else:
+                    logging.getLogger('cone').warning("Invalid child %s in %s" % (elem,feature.name))
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return feature
+
+
+class ConfmlLocalPathWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlLocalPath":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The ConfmlLocalPath object 
+        """
+        elem = ElementTree.Element('localPath')
+        if obj.readOnly:
+            elem.set('readOnly', unicode(obj.readOnly))
+        return elem
+
+
+class ConfmlLocalPathReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="localPath":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        return model.ConfmlLocalPath(readOnly=elem.get('readOnly'))
+
+
+class ConfmlTargetPathWriter(ConfmlWriter):
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="ConfmlTargetPath":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        """
+        @param obj: The ConfmlLocalPath object 
+        """
+        elem = ElementTree.Element('targetPath')
+        if obj.readOnly:
+            elem.set('readOnly', unicode(obj.readOnly))
+        return elem
+
+
+class ConfmlTargetPathReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="targetPath":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        return model.ConfmlTargetPath(readOnly=elem.get('readOnly'))
+
+
+class DummyWriter(ConfmlWriter):
+    """
+    Dummy writer is executed on ConE model elements that are not supposed to go to the confml file
+    """ 
+    @classmethod
+    def supported_class(cls, classname):
+        """
+        Class method to determine if this ConfmlWriter supports writing
+        of the given class name
+        """
+        if classname=="_FeatureProxy":
+            return True
+        else:
+            return False
+
+    def dumps(self, obj):
+        return None
+
+
+
+class RfsReader(ConfmlReader):
+    """
+    """ 
+    @classmethod
+    def supported_elem(cls, elemname, parent=None):
+        """
+        Class method to determine if this ConfmlWriter supports reading
+        of the given elem name
+        """
+        if elemname=="rfs":
+            return True
+        else:
+            return False
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        
+        (namespace,elemname) = get_elemname(elem.tag)
+        obj = api.DataContainer(elemname, container=True)
+        for elem in elem.getchildren():
+            try:
+                reader = ElemReader(attr='rfs')
+                childobj = reader.loads(elem)
+                obj.add(childobj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return obj
+
+class ElemReader(ConfmlReader):
+    def __init__(self, **kwargs):
+        self.template = kwargs.get('template',False)
+        self.attr = kwargs.get('attr',None)
+        self.args = kwargs
+
+    def loads(self, elem):
+        """
+        @param elem: The xml include elem
+        """
+        (namespace,elemname) = get_elemname(elem.tag)
+        datavalue = None
+        if len(list(elem)) == 0:
+            datavalue = elem.text
+        datatemplate = elem.get('template') == 'true' or self.template
+        dataextensionpolicy = elem.get('extensionPolicy') or ''
+        datamap = elem.get('map')
+        obj = api.Data(ref=elemname,value=datavalue, template=datatemplate, attr=self.attr,policy=dataextensionpolicy,map=datamap)
+        for elem in elem.getchildren():
+            try:
+                reader = ElemReader(**self.args)
+                childobj = reader.loads(elem)
+                obj.add(childobj)
+            except exceptions.ConePersistenceError,e:
+                logging.getLogger('cone').warning("Could not parse element %s. Exception: %s" % (elem,e))
+                continue
+        return obj
+
+namespace_pattern = re.compile("{(.*)}(.*)")
+nonamespace_pattern = re.compile("(.*)")
+
+def get_elemname(tag):
+    
+    ns = namespace_pattern.match(tag)
+    nn = nonamespace_pattern.match(tag)
+    if ns:
+        namespace = ns.group(1)
+        elemname = ns.group(2)
+        return (namespace,elemname)
+    elif nn:
+        namespace = ""
+        elemname = nn.group(1)
+        return (namespace,elemname)
+    else:
+        raise exceptions.ParseError("Could not parse tag %s" % tag)
+        
+
+def get_reader_for_elem(elemname, parent=None):
+    for reader in ConfmlReader.__subclasses__():
+        if reader.supported_elem(elemname,parent):
+            return reader()
+    raise exceptions.ConePersistenceError("No reader for given elem %s under %s found!" % (elemname, parent))
+
+def get_writer_for_class(classname):
+    for writer in ConfmlWriter.__subclasses__():
+        if writer.supported_class(classname):
+            return writer ()
+    raise exceptions.ConePersistenceError("No writer for given class found! %s" % classname)