/// <summary>
/// serializes resource metadata
/// </summary>
/// <param name="writer">xml writer</param>
private void SerializeResourceMetaData(XmlWriter writer)
{
foreach (PropertyInformation info in state.ScalarProperties.Where(info => info.PropertyValue != ""))
{
if (info.PropertyName.ToUpperInvariant() == "ID" ||
info.PropertyName.ToUpperInvariant() == "TITLE" ||
info.PropertyName.ToUpperInvariant() == "IMAGE")
{
continue;
}
writer.WriteStartElement(TermsMgr.GetInstance().GetStandardTerms("field:" + info.PropertyName.ToString()));
writer.WriteStartAttribute("rdf", "datatype", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
info.PropertyType = GetPropertyType(info.PropertyType);
writer.WriteValue(info.PropertyType);
writer.WriteEndAttribute();
writer.WriteValue(info.PropertyValue);
writer.WriteEndElement();
}
PropertyInformation pinfo = state.ScalarProperties.Where(p => p.PropertyName.ToLower() == "title").FirstOrDefault();
if (pinfo != null)
{
writer.WriteStartElement(TermsMgr.GetInstance().GetStandardTerms("field:Title"));
writer.WriteValue(pinfo.PropertyValue);
writer.WriteEndElement();
}
writer.WriteEndElement();//rdf desc
}
/// <summary>
/// serializes the aggregations
/// </summary>
/// <param name="writer">xml writer</param>
private void SerializeAggregations(XmlWriter writer)
{
//<ore:aggregates rdf:resource=resourceId />
int i = 0;
foreach (AbstractAggregatedResource <URI> aggregateResource in state.AggreagtedResources)
{
writer.WriteStartElement("ore:aggregates");
writer.WriteStartAttribute("rdf", "resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(aggregateResource.ResourceUri.ToString());
writer.WriteEndAttribute();
writer.WriteEndElement();
}
for (i = 0; i < state.RelationUris.Count(); i++)
{
if (IsSpecialRelation(state.RelationUris[i]))
{
continue;
}
writer.WriteStartElement("ore:aggregates");
writer.WriteStartAttribute("rdf", "resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(state.ObjectResourceIds[i].ToString());
writer.WriteEndAttribute();
writer.WriteEndElement();
}
writer.WriteStartElement("rdf:type", "");
writer.WriteStartAttribute("rdf:resource", "");
writer.WriteValue(TermsMgr.GetInstance().GetStandardTerms("type:" + state.ResourceType.ToString()));
writer.WriteEndAttribute();
writer.WriteEndElement();
}
/// <summary>
/// serialize aggregated by resource
/// </summary>
/// <param name="deployedAt">deployed at string</param>
/// <param name="writer">xml writer</param>
private void SerializeAggregateByResource(string deployedAt, XmlWriter writer)
{
int j = 0;
int i = 0;
foreach (AbstractAggregatedResource <URI> aggregateResource in state.AggreagtedResources)
{
writer.WriteStartElement("rdf", "Description", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteStartAttribute("rdf", "about", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(aggregateResource.ResourceUri.ToString());
writer.WriteEndAttribute();
writer.WriteStartElement("rdf:type", "");
writer.WriteStartAttribute("rdf:resource", "");
writer.WriteValue(TermsMgr.GetInstance().GetStandardTerms("type:" + state.AggregateTypes[j++].ToString()));
writer.WriteEndAttribute();
writer.WriteEndElement(); //rdf:type
writer.WriteStartElement("ore:isAggregatedBy");
writer.WriteStartAttribute("rdf", "resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(deployedAt + aggregateResource.ResourceUri.ToString() + "#aggregation");
writer.WriteEndAttribute();
writer.WriteEndElement(); //aggregated by
writer.WriteEndElement(); //rdf description
}
for (i = 0; i < state.RelationUris.Count(); i++)
{
if (IsSpecialRelation(state.RelationUris[i]))
{
continue;
}
writer.WriteStartElement("rdf", "Description", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteStartAttribute("rdf", "about", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(state.ObjectResourceIds[i].ToString());
writer.WriteEndAttribute();
writer.WriteStartElement("rdf:type", "");
writer.WriteStartAttribute("rdf:resource", "");
writer.WriteValue(TermsMgr.GetInstance().GetStandardTerms(state.RelationUris[i]));
writer.WriteEndAttribute();
writer.WriteEndElement(); //rdf:type
writer.WriteStartElement("ore:isAggregatedBy");
writer.WriteStartAttribute("rdf", "resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(deployedAt + state.ObjectResourceIds[i].ToString() + "#aggregation");
writer.WriteEndAttribute();
writer.WriteEndElement(); //aggregated by
writer.WriteEndElement(); //rdf description
}
}
/// <summary>
/// serialize resource relations
/// </summary>
/// <param name="writer">xml writer</param>
private void SerializeResourceRelations(XmlWriter writer)
{
//TODO :what to do for Custom Predicates
for (int i = 0; i < state.RelationUris.Count(); i++)
{
if (IsSpecialRelation(state.RelationUris[i]))
{
writer.WriteStartElement(TermsMgr.GetInstance().GetStandardTerms(state.RelationUris[i]));
writer.WriteStartAttribute("rdf", "resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(state.ObjectResourceIds[i].ToString());
writer.WriteEndAttribute();
writer.WriteStartAttribute("rdf", "type", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
writer.WriteValue(TermsMgr.GetInstance().GetStandardTerms("type:" + state.ObjectTypes[i].ToString()));
writer.WriteEndAttribute();
writer.WriteEndElement();
}
}
}
/// <summary>
/// serializes tag and categories
/// </summary>
/// <param name="writer">The xml writer.</param>
private void SerializeTagRelations(XmlWriter writer)
{
string stdTerm = TermsMgr.GetInstance().GetStandardTerms("Tag");
for (int i = 0; i < state.TagNames.Count(); i++)
{
writer.WriteStartElement(stdTerm);
writer.WriteStartAttribute(TermsMgr.GetInstance().GetStandardTerms("field:Title"));
writer.WriteValue(state.TagNames[i]);
writer.WriteEndAttribute();
writer.WriteEndElement();
}
stdTerm = TermsMgr.GetInstance().GetStandardTerms("Category");
for (int i = 0; i < state.CategoryNames.Count(); i++)
{
writer.WriteStartElement(stdTerm);
writer.WriteStartAttribute(TermsMgr.GetInstance().GetStandardTerms("field:Title"));
writer.WriteValue(state.CategoryNames[i]);
writer.WriteEndAttribute();
writer.WriteEndElement();
}
}
/// <summary>
/// Registers the terms.
/// </summary>
/// <param name="term">The term.</param>
/// <param name="stdTerm">The STD term.</param>
/// <returns>
/// <c>true</c> if the registration was successful; otherwise <c>false</c>.
/// </returns>
protected bool RegisterTerms(string term, string stdTerm)
{
return(TermsMgr.GetInstance().RegisterMapping(term, TermsNamespace + ":" + stdTerm));
}