Problem with .net XMLSerializer deserialization
I'm have trouble with abstract classes in deserialization of XML with XMLSerializer in .NETmy input xml looks like :
<?xml version="1.0" encoding="UTF-8"?>
<gmd:MD_Metadata xmlns:gmd="http://www.isotc211.org/2005/gmd"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:gsr="http://www.isotc211.org/2005/gsr"
xmlns:gss="http://www.isotc211.org/2005/gss"
xmlns:gts="http://www.isotc211.org/2005/gts"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.w3.org/2005/Atom"
xmlns:georss="http://www.georss.org/georss"
xmlns:app="http://www.w3.org/2007/app"
xmlns:as="http://atomserver.org/namespaces/1.0/"
xmlns:gml="http://www.opengis.net/gml"
xsi:schemaLocation="http://www.isotc211.org/2005/gmd http://nap.geogratis.gc.ca/metadata/tools/schemas/metadata/can-cgsb-171.100-2009-a/gmd/gmd.xsd">
<gmd:identificationInfo>
<gmd:MD_DataIdentification>
<gmd:citation>
<gmd:CI_Citation>
<gmd:title>
<gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Lithoprobe East Seismic Reflection Line 6</gco:CharacterString>
</gmd:title>
</gmd:CI_Citation>
</gmd:MD_DataIdentification>
</gmd:identificationInfo>
</gmd:MD_Metadata >
The C# code generated by xsd.exe for decoding the <gmd:identificationInfo> node looks like this :
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("xsd", "2.0.50727.42")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(Namespace="http://www.isotc211.org/2005/gmd")]
public partial class MD_Identification_PropertyType {
private AbstractMD_Identification_Type abstractMD_IdentificationField;
private string uuidrefField;
private string nilReasonField;
/// <remarks/>
public AbstractMD_Identification_Type AbstractMD_Identification {
get {
return this.abstractMD_IdentificationField;
}
set {
this.abstractMD_IdentificationField = value;
}
}
/// <remarks/>
[System.Xml.Serialization.XmlAttributeAttribute()]
public string uuidref {
get {
return this.uuidrefField;
}
set {
this.uuidrefField = value;
}
}
/// <remarks/>
[System.Xml.Serialization.XmlAttributeAttribute(Form=System.Xml.Schema.XmlSchemaForm.Qualified, Namespace="http://www.isotc211.org/2005/gco")]
public string nilReason {
get {
return this.nilReasonField;
}
set {
this.nilReasonField = value;
}
}
}
which calls an abstract class , AbstractMD_Identification_Type, which has the MD_DataIdentification tag declared as an XmlIncludeAttribute.
/// <remarks/>
[System.Xml.Serialization.XmlIncludeAttribute(typeof(MD_DataIdentification_Type))]
[System.CodeDom.Compiler.GeneratedCodeAttribute("xsd", "2.0.50727.42")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(Namespace="http://www.isotc211.org/2005/gmd")]
public abstract partial class AbstractMD_Identification_Type : AbstractObject_Type {
private CI_Citation_PropertyType citationField;
private CharacterString_PropertyType abstractField;
private CharacterString_PropertyType purposeField;
private CharacterString_PropertyType[] creditField;
private MD_ProgressCode_PropertyType[] statusField;
private CI_ResponsibleParty_PropertyType[] pointOfContactField;
private MD_MaintenanceInformation_PropertyType[] resourceMaintenanceField;
private MD_BrowseGraphic_PropertyType[] graphicOverviewField;
private MD_Keywords_PropertyType[] descriptiveKeywordsField;
private MD_Constraints_PropertyType[] resourceConstraintsField;
private MD_AggregateInformation_PropertyType[] aggregationInfoField;
/// <remarks/>
public CI_Citation_PropertyType citation {
get {
return this.citationField;
}
set {
this.citationField = value;
}
}
/// <remarks/>
public CharacterString_PropertyType @abstract {
get {
return this.abstractField;
}
set {
this.abstractField = value;
}
}
/// <remarks/>
public CharacterString_PropertyType purpose {
get {
return this.purposeField;
}
set {
this.purposeField = value;
}
}
/// <remarks/>
[System.Xml.Serialization.XmlElementAttribute("credit")]
public CharacterString_PropertyType[] credit {
get {
return this.creditField;
}
set {
this.creditField = value;
}
}
/// <remarks/>
[System.Xml.Serialization.XmlElementAttribute("status")]
public MD_ProgressCode_PropertyType[] status {
get {
return this.statusField;
}
set {
this.statusField = value;
}
}
My problem is that the XMLSerializer does not deserialize the content within the xml block:
<gmd:MD_DataIdentification>
<gmd:citation>
<gmd:CI_Citation>
<gmd:title>
<gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Lithoprobe East Seismic Reflection Line 6</gco:CharacterString>
</gmd:title>
</gmd:CI_Citation>
</gmd:MD_DataIdentification>
It will work if I substitute
private AbstractMD_Identification_Type abstractMD_IdentificationField;
in the C# code with
private MD_DataIdentification_Type abstractMD_IdentificationField;
Should not the
[System.Xml.Serialization.XmlIncludeAttribute(typeof(MD_DataIdentification_Type))]
statement do this for me?
Any comments?
Bob
