public bool FromJSonString(string s, GXBaseCollection <SdtMessages_Message> Messages)
{
_jsonArr = JSONHelper.ReadJSON <JArray>(s, Messages);
bool result = _jsonArr != null;
try
{
FromJSONObject((JArray)jsonArr);
return(result);
}
catch (Exception ex)
{
GXUtil.ErrorToMessages("FromJson Error", ex, Messages);
return(false);
}
}
public void FromJSON(String s)
{
JObject geoObject = JSONHelper.ReadJSON <JObject>(s);
if (geoObject != null)
{
JObject geometry = (JObject)geoObject["geometry"];
String featuretype = "";
JArray coords;
String wktBuffer = "";
if (geometry == null)
{
featuretype = (String)geoObject["type"];
coords = (JArray)geoObject["coordinates"];
}
else
{
featuretype = (String)geometry["type"];
coords = (JArray)geometry["coordinates"];
}
if (featuretype == null)
{
String locationString = (String)geoObject["Location"];
String[] coordinates = locationString.Split(new String[] { "," }, StringSplitOptions.RemoveEmptyEntries);
wktBuffer = "POINT(" + coordinates[1].ToString() + " " + coordinates[0].ToString() + ")";
}
else
{
setGXGeoType(featuretype);
String sep = "";
String sep1 = "";
String sep2 = "";
switch (GeographicType)
{
case GeoGraphicTypeValue.Point:
wktBuffer = "POINT";
wktBuffer += "(" + JSONPointToWKT(coords) + ")";
break;
case GeoGraphicTypeValue.Line:
wktBuffer = "LINESTRING";
wktBuffer += "(";
sep = "";
foreach (JArray jp in coords)
{
wktBuffer += sep + " " + JSONPointToWKT(jp);
sep = ",";
}
wktBuffer += ")";
break;
case GeoGraphicTypeValue.Polygon:
wktBuffer = "POLYGON";
wktBuffer += "(";
sep1 = "";
foreach (JArray jl in coords)
{
wktBuffer += sep1 + "(";
sep = "";
String firstPoint = JSONPointToWKT(jl.GetArray(0));
foreach (JArray jp in jl)
{
String jpS = JSONPointToWKT(jp);
wktBuffer += sep + " " + jpS;
sep = ",";
}
wktBuffer += ")";
sep1 = ",";
}
wktBuffer += ")";
break;
case GeoGraphicTypeValue.MultiPoint:
wktBuffer = "MULTIPOINT";
wktBuffer += "(";
sep = "";
foreach (JArray jp in coords)
{
wktBuffer += sep + " " + JSONPointToWKT(jp);
sep = ",";
}
wktBuffer += ")";
break;
case GeoGraphicTypeValue.MultiLine:
wktBuffer = "MULTILINESTRING";
wktBuffer += "(";
sep1 = "";
foreach (JArray jl in coords)
{
wktBuffer += sep1 + "(";
sep = "";
foreach (JArray jp in jl)
{
wktBuffer += sep + "" + JSONPointToWKT(jp);
sep = ",";
}
wktBuffer += ")";
sep1 = ",";
}
wktBuffer += ")";
break;
case GeoGraphicTypeValue.MultiPolygon:
wktBuffer = "MULTIPOLYGON";
wktBuffer += "(";
sep2 = "";
foreach (JArray jm in coords)
{
wktBuffer += sep2 + "(";
sep1 = "";
foreach (JArray jl in jm)
{
wktBuffer += sep1 + "(";
sep = "";
String firstPoint = JSONPointToWKT(jl.GetArray(0));
foreach (JArray jp in jl)
{
wktBuffer += sep + "" + JSONPointToWKT(jp);
sep = ",";
}
//wktBuffer += sep + firstPoint;
wktBuffer += ")";
sep1 = ",";
}
wktBuffer += ")";
sep2 = ",";
}
wktBuffer += ")";
break;
default:
wktBuffer = "";
break;
}
}
if (wktBuffer.Length > 0)
{
this.FromString(wktBuffer);
}
}
}
