/// <summary>
/// Returns the Feed Content information for a content object
/// </summary>
/// <param name="de">Parent DE</param>
/// <param name="co">Content Object</param>
/// <returns>Feed Content Interface</returns>
public static IFeedContent FeedContent(DEv1_0 de, ContentObject co)
{
IFeedContent myContent = null;
XElement xmlContent = co.XMLContent.EmbeddedXMLContent[0];
//TODO: Fix this hack caused by fix to gml pos element name
string contentString = xmlContent.ToString();
contentString = contentString.Replace("gml:Pos", "gml:pos");
var document = XDocument.Parse(contentString);
xmlContent = document.Root;
string deHash = DEUtilities.ComputeDELookupID(de).ToString();
//TODO: Update FeedContent method to support all supported standards
//content is a SensorThings Observation
//if (xmlContent.Name.LocalName.Equals("Observation", StringComparison.InvariantCultureIgnoreCase) &&
// xmlContent.Name.NamespaceName.Equals(EDXLSharp.MQTTSensorThingsLib.Constants.STApiNamespace, StringComparison.InvariantCultureIgnoreCase) )
//{
// XmlSerializer serializer = new XmlSerializer(typeof(Observation));
// Observation observation = (Observation)serializer.Deserialize(xmlContent.CreateReader());
// myContent = new STContent(observation, deHash);
//}
//content could be CoT or NIEM EMLC, need to check the namespace to know for sure
if (xmlContent.Name.LocalName.Equals("event", StringComparison.InvariantCultureIgnoreCase))
{
//content could be CoT or NIEM EMLC, need to check the namespace to know for sure
//if (xmlContent.Name.NamespaceName.Equals(@"urn:cot:mitre:org", StringComparison.InvariantCultureIgnoreCase))
//{
// string cotString = xmlContent.ToString();
// //remove namespace or CoTLibrary blows up
// //brute force method
// int index, end, len;
// index = cotString.IndexOf("xmlns=");
// while (index != -1)
// {
// end = cotString.IndexOf('"', index);
// end++;
// end = cotString.IndexOf('"', end);
// end++;
// len = end - index;
// cotString = cotString.Remove(index, len);
// index = cotString.IndexOf("xmlns=");
// }
// CoT_Library.CotEvent anEvent = new CoT_Library.CotEvent(cotString);
// CoTContent mCC = new CoTContent(anEvent, deHash);
// myContent = mCC;
//}
if (xmlContent.Name.NamespaceName.Equals(@"http://release.niem.gov/niem/domains/emergencyManagement/3.1/emevent/0.1/emlc/", StringComparison.InvariantCultureIgnoreCase))
{
XmlSerializer serializer = new XmlSerializer(typeof(Event));
Event emlc = (Event)serializer.Deserialize(xmlContent.CreateReader());
myContent = new EMLCContent(emlc, deHash);
}
}
return(myContent);
}
/// <summary>
/// Returns the expiration time of a content object
/// </summary>
/// <param name="de">Parent DE</param>
/// <param name="co">Content Object</param>
/// <returns>Expiration time</returns>
public static DateTime?GetExpirationTime(DEv1_0 de, ContentObject co)
{
IFeedContent myContent = FeedContent(de, co);
DateTime? expires = null;
if (myContent != null)
{
expires = myContent.Expires();
}
if (!expires.HasValue)
{
expires = de.DateTimeSent.AddDays(1.0);
}
return(expires);
}
