private void btnTestWFS_Click(object sender, EventArgs e)
{
try
{
this.Cursor = Cursors.WaitCursor;
string url = txtWFSUrl.Text.Trim();
if (!String.IsNullOrEmpty(txtServiceName.Text.Trim()))
{
url = WebFunctions.AppendParametersToUrl(url, "ServiceName=" + txtServiceName.Text.Trim());
}
string param = "REQUEST=GetCapabilities&VERSION=1.1.1&SERVICE=WFS";
url = WebFunctions.AppendParametersToUrl(url, param);
string capabilities = WebFunctions.RemoveDOCTYPE(WebFunctions.DownloadXml(url));
XmlDocument doc = new XmlDocument();
doc.LoadXml(capabilities);
xmlViewTree1.XmlDocument = doc;
}
catch (Exception ex)
{
this.Cursor = Cursors.Default;
MessageBox.Show("ERROR: " + ex.Message);
}
finally
{
this.Cursor = Cursors.Default;
}
}
private void ParseParameters(Parameters Request)
{
//check for exception format
if (Request["EXCEPTIONS"] != null)
{
if (Request["EXCEPTIONS"] != "application/vnd.ogc.se_inimage" &&
Request["EXCEPTIONS"] != "application/vnd.ogc.se_blank" &&
Request["EXCEPTIONS"] != "application/vnd.ogc.se_xml")
{
WriteError("Invalid exception format " + Request["EXCEPTIONS"] + " must be 'application/vnd.ogc.se_inimage', 'application/vnd.ogc.se_blank' or 'application/vnd.ogc.se_xml'.");
}
else
{
switch (Request["EXCEPTIONS"])
{
case "application/vnd.ogc.se_inimage":
this.Exceptions = WMSExceptionType.se_in_image;
break;
case "application/vnd.ogc.se_blank":
this.Exceptions = WMSExceptionType.se_blank;
break;
/* SE_XML is already the default value
* default:
* this.Exceptions = WMSExceptionType.SE_XML;
* break;
*/
}
}
}
if (Request["REQUEST"] == null)
{
WriteError("mandatory REQUEST parameter is missing");
}
if (Request["REQUEST"].ToUpper().IndexOf("MAP") != -1)
{
this.Request = WMSRequestType.GetMap;
}
else if (Request["REQUEST"].ToUpper().IndexOf("CAPABILITIES") != -1)
{
this.Request = WMSRequestType.GetCapabilities;
}
else if (Request["REQUEST"].ToUpper().IndexOf("FEATUREINFO") != -1)
{
this.Request = WMSRequestType.GetFeatureInfo;
}
else if (Request["REQUEST"].ToUpper().IndexOf("DESCRIPETILES") != -1)
{
this.Request = WMSRequestType.DescriptTiles;
}
else if (Request["REQUEST"].ToUpper().IndexOf("GETTILE") != -1)
{
this.Request = WMSRequestType.GetTile;
}
else if (Request["REQUEST"].ToUpper().IndexOf("GENERATETILES") != -1)
{
this.Request = WMSRequestType.GenerateTiles;
}
else
{
WriteError("REQUEST parameter is either missing, erroneous, or not supported. Supported values are: 'GetMap', 'map', 'GetCapabilities','capabilities'");
}
if (Request["VERSION"] == null && Request["WMTVER"] == null)
{
if (this.Request != WMSRequestType.GetCapabilities)
{
WriteError("mandatory VERSION parameter is either missing or erronous. Must be: 'WMTVER=1.0.0' or 'VERSION=1.x.x'");
}
else
{
this.Version = "1.1.1";//default version
}
}
else
{
if (Request["WMTVER"] != null && Request["VERSION"] == null)
{
this.Version = Request["WMTVER"];
}
else if (Request["WMTVER"] == null && Request["VERSION"] != null)
{
this.Version = Request["VERSION"];
}
}
#region Nicht Standard (für GenerateTiles Request: WMS2Tiles für Bing Map Controll!!)
if (this.Request == WMSRequestType.GenerateTiles)
{
if (Request["BBOXSRS"] != null)
{
if (Request["BBOXSRS"].IndexOf("EPSG:") == -1)
{
WriteError("only EPSG based coordinate systems are supported!", "InvalidBBOXSRS");
}
string[] srsid = Request["BBOXSRS"].Split(':');
this.BBoxSRS = int.Parse(srsid[srsid.Length - 1]);
}
if (Request["ZOOMLEVEL"] != null)
{
this.ZoomLevel = int.Parse(Request["ZOOMLEVEL"]);
}
if (Request["REQUESTKEY"] != null)
{
_requestKey = Request["REQUESTKEY"];
}
if (Request["TILEROW"] == null)
{
WriteError("mandatory TILEROW parameter is missing.");
}
else
{
this.TileRow = int.Parse(Request["TILEROW"]);
}
if (Request["TILECOL"] == null)
{
WriteError("mandatory TILECOL parameter is missing.");
}
else
{
this.TileCol = int.Parse(Request["TILECOL"]);
}
}
#endregion
if (this.Request != WMSRequestType.GetCapabilities && this.Request != WMSRequestType.DescriptTiles)
{
if (Request["SRS"] == null && Request["CRS"] == null)
{
WriteError("mandatory SRS, CRS parameter is missing.");
}
else
{
if (Request["SRS"] != null)
{
if (Request["SRS"].IndexOf("EPSG:") == -1)
{
WriteError("only EPSG based coordinate systems are supported!", "InvalidSRS");
}
string[] srsid = Request["SRS"].Split(':');
this.SRS = int.Parse(srsid[srsid.Length - 1]);
}
else if (Request["CRS"] != null)
{
if (Request["CRS"].IndexOf("EPSG:") == -1)
{
WriteError("only EPSG based coordinate systems are supported!", "InvalidCRS");
}
string[] srsid = Request["CRS"].Split(':');
this.SRS = int.Parse(srsid[srsid.Length - 1]);
}
}
if (this.Request == WMSRequestType.GetMap || this.Request == WMSRequestType.GetTile)
{
if (Request["FORMAT"] == null)
{
WriteError("mandatory FORMAT parameter is missing.");
}
else
{
switch (Request["FORMAT"].ToLower())
{
case "image/gif":
this.Format = WMSImageFormat.gif; break;
case "image/bmp":
this.Format = WMSImageFormat.bmp; break;
case "image/jpg":
case "image/jpeg":
this.Format = WMSImageFormat.jpeg; break;
case "image/png":
this.Format = WMSImageFormat.png; break;
case "gif":
this.Format = WMSImageFormat.gif; break;
case "png":
this.Format = WMSImageFormat.png; break;
case "jpg":
this.Format = WMSImageFormat.jpeg; break;
case "application/vnd.google-earth.kml+xml":
this.Format = WMSImageFormat.kml; break;
default:
WriteError("Format " + Request["FORMAT"] + " is not supported.", "InvalidFormat");
break;
}
}
}
if (this.Request == WMSRequestType.GetTile)
{
if (Request["LAYER"] == null)
{
WriteError("mandatory LAYER parameter is missing.");
}
else
{
this.Layer = Request["LAYER"];
}
if (Request["STYLE"] == null)
{
WriteError("mandatory STYLE parameter is missing.");
}
else
{
this.Style = Request["STYLE"];
}
if (Request["SCALE"] == null)
{
WriteError("mandatory SCALE parameter is missing.");
}
else
{
this.Scale = double.Parse(Request["SCALE"].Replace(",", "."), _nhi);
}
if (Request["TILEROW"] == null)
{
WriteError("mandatory TILEROW parameter is missing.");
}
else
{
this.TileRow = int.Parse(Request["TILEROW"]);
}
if (Request["TILECOL"] == null)
{
WriteError("mandatory TILECOL parameter is missing.");
}
else
{
this.TileCol = int.Parse(Request["TILECOL"]);
}
}
else
{
if (this.Request == WMSRequestType.GetMap || this.Request == WMSRequestType.GetFeatureInfo)
{
if (Request["HEIGHT"] == null)
{
WriteError("mandatory HEIGHT parameter is missing.");
}
else
{
this.Height = int.Parse(Request["HEIGHT"]);
}
if (Request["WIDTH"] == null)
{
WriteError("mandatory WIDTH parameter is missing.");
}
else
{
this.Width = int.Parse(Request["WIDTH"]);
}
}
if (Request["BBOX"] == null)
{
WriteError("mandatory BBOX parameter is missing.");
}
string[] bbox = Request["BBOX"].Split(",".ToCharArray());
if (bbox.Length != 4)
{
WriteError("Invalid BBOX parameter. Must consist of 4 elements of type double or integer");
}
double MinX = double.Parse(bbox[0], _nhi);
double MinY = double.Parse(bbox[1], _nhi);
double MaxX = double.Parse(bbox[2], _nhi);
double MaxY = double.Parse(bbox[3], _nhi);
Envelope box = new Envelope(MinX, MinY, MaxX, MaxY);
if (box.minx >= box.maxx ||
box.miny >= box.maxy)
{
WriteError("Invalid BBOX parameter. MinX must not be greater than MaxX, and MinY must not be greater than MaxY");
}
this.BBOX = box;
string LayerTag = "LAYERS";
if (this.Request == WMSRequestType.GetFeatureInfo)
{
LayerTag = "QUERY_LAYERS";
}
if (Request[LayerTag] == null)
{
WriteError("mandatory LAYERS parameter is missing.");
}
else
{
String sLayers = Request[LayerTag];
if (LayerTag == "LAYERS")
{
this.Layers = sLayers.Split(",".ToCharArray());
}
else if (LayerTag == "QUERY_LAYERS")
{
this.QueryLayers = sLayers.Split(",".ToCharArray());
}
}
if (Request["TRANSPARENT"] != null && Request["TRANSPARENT"].ToUpper() == "TRUE")
{
this.Transparent = true;
}
if (Request["BGCOLOR"] != null)
{
this.BgColor = ColorTranslator.FromHtml(Request["BGCOLOR"]);
}
if (Request["STYLES"] != null)
{
String[] styles = Request["STYLES"].Split(",".ToCharArray());
for (int i = 0; i < styles.Length; i++)
{
if (styles[i] != null && styles[i] != String.Empty)
{
WriteError("The monoGIS does not support named styles!.", "StyleNotDefined");
}
}
}
if (Request["DPI"] != null)
{
this.dpi = double.Parse(Request["DPI"], _nhi);
}
if (this.Request == WMSRequestType.GetMap)
{
if (Request["SLD"] != null)
{
sldString = WebFunctions.DownloadXml(Request["SLD"]);
if (sldString == null)
{
sldString = String.Empty;
}
}
else if (Request["SLD_BODY"] != null)
{
sldString = Request["SLD_BODY"];
}
}
}
}
if (this.Request == WMSRequestType.GetFeatureInfo)
{
if (Request["QUERYLAYERS"] == null)
{
WriteError("mandatory QUERYLAYERS parameter is missing.");
}
else
{
String sQueryLayers = Request["QUERYLAYERS"];
this.QueryLayers = sQueryLayers.Split(",".ToCharArray());
}
if (Request["X"] == null)
{
WriteError("mandatory X parameter is missing.");
}
else
{
this.FeatureInfoX = Convert.ToInt32(Request["X"]);
if (this.FeatureInfoX > this.Width || this.FeatureInfoX < 0)
{
WriteError("invalid X parameter, must be greater than 0 and lower than Width parameter.");
}
}
if (Request["Y"] == null)
{
WriteError("mandatory Y parameter is missing.");
}
else
{
this.FeatureInfoY = Convert.ToInt32(Request["Y"]);
if (this.FeatureInfoY > this.Height || this.FeatureInfoY < 0)
{
WriteError("invalid Y parameter, must be greater than 0 and lower than HEIGHT parameter.");
}
}
if (Request["FEATURECOUNT"] != null)
{
this.FeatureInfoMaxRows = Convert.ToInt32(Request["FEATURECOUNT"]);
if (this.FeatureInfoMaxRows <= 0)
{
WriteError("invalid FEATURECOUNT parameter, must be greater than 0.");
}
}
if (Request["INFOFORMAT"] != null)
{
switch (Request["INFOFORMAT"].ToLower())
{
case "gml":
case "application/vnd.ogc.gml": this.InfoFormat = WMSInfoFormat.gml;
break;
case "text/html": this.InfoFormat = WMSInfoFormat.html;
break;
case "text/xml": this.InfoFormat = WMSInfoFormat.xml;
break;
case "text/plain": this.InfoFormat = WMSInfoFormat.text;
break;
default:
if (Request["INFOFORMAT"].ToLower().StartsWith("xsl/"))
{
this.InfoFormat = WMSInfoFormat.xsl;
this.InfoFormatXsl = Request["INFOFORMAT"].ToLower();
}
else
{
WriteError("invalid INFORMAT parameter, may be: text/html, GML or application/vnd.ogc.gml.");
}
break;
}
}
else if (Request["INFO_FORMAT"] != null)
{
switch (Request["INFO_FORMAT"].ToLower())
{
case "gml":
case "application/vnd.ogc.gml": this.InfoFormat = WMSInfoFormat.gml;
break;
case "text/html": this.InfoFormat = WMSInfoFormat.html;
break;
case "text/xml": this.InfoFormat = WMSInfoFormat.xml;
break;
case "text/plain": this.InfoFormat = WMSInfoFormat.text;
break;
default:
if (Request["INFO_FORMAT"].ToLower().StartsWith("xsl/"))
{
this.InfoFormat = WMSInfoFormat.xsl;
this.InfoFormatXsl = Request["INFO_FORMAT"].ToLower();
}
else
{
WriteError("invalid INFORMAT parameter, may be: text/html, GML or application/vnd.ogc.gml.");
}
break;
}
}
}
}
