private XsdNs.GetObservationType ToXmlProxy()
{
// Using this to enable unique IDs within the XML document
var idPrefix = "GetObsReq_i";
var toSerialise = new XsdNs.GetObservationType
{
// Assigning mandatory attributes specified in the SWES standard.
// These value follow the SOS specification.
service = "SOS",
version = "2.0.0",
// Assigning measurement point information
featureOfInterest = StringCollectionToStringArray(FeaturesOfInterest),
observedProperty = StringCollectionToStringArray(ObservedProperties),
// Assigning extensions
extension = new object[Items.Count]
};
int prefixCounter = 0;
for (var a = 0; a < Items.Count; ++a)
{
var ext = Items[a];
if (ext == null)
{
throw new NullReferenceException("Item is null");
}
// Assigning the proxy object
var idWithCounter = idPrefix + (prefixCounter + 1) + "-"; // This gives, e.g., "GetObsReq_i3-"
toSerialise.extension[a] = ext.ToXmlProxyWithWrapper(idWithCounter);
++prefixCounter;
}
// Assigning temporal filters
toSerialise.temporalFilter = new XsdNs.GetObservationTypeTemporalFilter[TemporalFilters.Count];
for (int a = 0; a < TemporalFilters.Count; ++a)
{
// Create a proxy object for serialisation
var idWithCounter = idPrefix + (prefixCounter + 1) + "-"; // This gives, e.g., "GetObsReq_i3-"
var filterProxy = TemporalFilters[a].ToXmlProxy(idWithCounter);
toSerialise.temporalFilter[a] = filterProxy;
++prefixCounter;
}
return(toSerialise);
}
/// <summary>
/// Constructor. Use to process incoming requests.
/// </summary>
/// <param name="xmlBytes">XML data.</param>
/// <exception cref="XNeut.InvalidMessageException">Thrown if the message is not valid.</exception>
public GetObservationRequest(byte[] xmlBytes)
: this()
{
XsdNs.GetObservationType proxy = null;
try
{
// Deserialising
proxy = (XsdNs.GetObservationType)XNeut.Helper.DeserialiseFromXml(typeof(XsdNs.GetObservationType), xmlBytes);
}
catch (InvalidOperationException e)
{
throw new XNeut.InvalidMessageException("Failed to deserialise XML data", e);
}
// Reading values from the proxy
ReadFieldValuesFromXmlDoc(proxy);
}
private void ReadFieldValuesFromXmlDoc(XsdNs.GetObservationType requestObjectRaw)
{
// Reading features of interest
if (requestObjectRaw.featureOfInterest != null && requestObjectRaw.featureOfInterest.Length > 0)
{
FeaturesOfInterest = new HashSet <string>(requestObjectRaw.featureOfInterest);
}
// Reading observed properties
if (requestObjectRaw.observedProperty != null && requestObjectRaw.observedProperty.Length > 0)
{
ObservedProperties = new HashSet <string>(requestObjectRaw.observedProperty);
}
// Reading extensions
if (requestObjectRaw.extension != null)
{
foreach (var ext in requestObjectRaw.extension)
{
if (ext.GetType() != typeof(XsdNs.DataRecordPropertyType))
{
throw new XNeut.InvalidMessageException("The type of the extension object is not supported: " + ext.GetType().ToString());
}
var dataRecordRaw = (XsdNs.DataRecordPropertyType)ext;
Items.Add(new Item_DataRecord(dataRecordRaw.DataRecord));
}
}
// Reading temporal filters
if (requestObjectRaw.temporalFilter != null)
{
foreach (var filterEl in requestObjectRaw.temporalFilter)
{
var filterObj = new TemporalFilter(filterEl);
TemporalFilters.Add(filterObj);
}
}
}
private TemporalFilter SerialiseAndRead(TemporalFilter input)
{
// Get proxy
var filterProxy = input.ToXmlProxy("test_");
// Wrap the proxy in a GetObservationRequest
var requestProxy = new XsdNs.GetObservationType
{
temporalFilter = new XsdNs.GetObservationTypeTemporalFilter[] { filterProxy },
service = "SOS",
version = "2.0.0"
};
// Serialise the proxy
byte[] xmlBytes = XNeut.Helper.ToXmlBytes(requestProxy);
// XML validation
Validate(xmlBytes);
// Read XML data
var proxyIn = DeserialiseAndGetProxy(xmlBytes);
return(new TemporalFilter(proxyIn));
}
