private GetWFSFeatureResult ParseSuccessResult(XDocument document)
{
GetWFSFeatureResult featureRes = new GetWFSFeatureResult();
if (document != null && document.Document != null && document.Document.Root != null)
{
foreach (var item in document.Document.Root.Attributes())
{
nameSpacePair.Add(item.Name.LocalName, item.Value);
}
//decimal="." cs="," ts=" " (-133.878943,-45.6267275) (540000,5450000)
//这里只提供默认的分隔符，自定义的就不考虑了，用户如果有需求那就自己处理吧。
XElement XBounds = document.Document.Root.Element(XName.Get("boundedBy", nameSpacePair["gml"]));
XElement pointvalue = XBounds != null ? XBounds.Element(XName.Get("Box", nameSpacePair["gml"])) : null;
//还有unknown的情况啊
if (pointvalue != null && !string.IsNullOrEmpty(pointvalue.Value))
{
string[] value = pointvalue.Value.Trim().Split(',', ' ');
if (value != null && value.Length == 4)
{
double x1 = double.Parse(value[0], CultureInfo.InvariantCulture);
double y1 = double.Parse(value[1], CultureInfo.InvariantCulture);
double x2 = double.Parse(value[2], CultureInfo.InvariantCulture);
double y2 = double.Parse(value[3], CultureInfo.InvariantCulture);
if (x2 - x1 >= 0 || y2 - y1 >= 0)
{
featureRes.Bounds = new Rectangle2D(x1, y1, x2, y2);
}
}
}
else //有时候查询出来没有结果，所以就认为是成功了。
{
}
IEnumerable<XElement> featureMembers = document.Document.Root.Elements(XName.Get("featureMember", nameSpacePair["gml"]));
foreach (var item in featureMembers)
{
ParseFeatureMember(featureRes, item);
}
}
return featureRes;
}
private async void ParseFeatureMember(GetWFSFeatureResult featureRes, XElement item)
{
if (item != null)
{
XElement element = item.FirstNode as XElement;
string profix = string.Empty;
string fullEleName = string.Empty;
if (element != null)
{
profix = element.GetPrefixOfNamespace(element.Name.Namespace);
fullEleName = string.IsNullOrEmpty(profix) ? element.Name.LocalName : profix + ":" + element.Name.LocalName;
}
string spatialPropName = GetSpatialPropName(fullEleName);
if (!featureRes.FeaturePair.ContainsKey(fullEleName))
{
featureRes.FeaturePair.Add(fullEleName, new FeatureCollection());
}
if (featureRes.FeaturePair[fullEleName] != null)
{
foreach (Feature f in await GetFeatures(element, spatialPropName))
{
featureRes.FeaturePair[fullEleName].Add(f);
}
}
}
}
