Exemplo n.º 1
0
        /// <summary>
        /// Protected constructor for the abstract class.
        /// </summary>
        /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
        /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="labelInfo">A FeatureDataTable for labels</param>
        protected GeometryFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
                                  FeatureDataTable labelInfo)
        {
            _FeatureTypeInfo = featureTypeInfo;
            _HttpClientUtil = httpClientUtil;
            createReader(httpClientUtil);

            try
            {
                if (labelInfo != null)
                {
                    _LabelInfo = labelInfo;
                    _LabelNode = new PathNode(_FeatureTypeInfo.FeatureTypeNamespace, _LabelInfo.Columns[0].ColumnName,
                                              (NameTable) _XmlReader.NameTable);
                }
            }
            catch (Exception ex)
            {
                Trace.TraceError("An exception occured while initializing the label path node!");
                throw ex;
            }

            initializePathNodes();
            initializeSeparators();
        }
Exemplo n.º 2
0
 /// <summary>
 /// Protected constructor for the abstract class.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 protected GeometryFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
 {
     _FeatureTypeInfo = featureTypeInfo;
     _XmlReader       = xmlReader;
     initializePathNodes();
     initializeSeparators();
 }
Exemplo n.º 3
0
        /// <summary>
        /// Protected constructor for the abstract class.
        /// </summary>
        /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
        /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="labelInfo">A FeatureDataTable for labels</param>
        protected GeometryFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
                                  FeatureDataTable labelInfo)
        {
            _FeatureTypeInfo = featureTypeInfo;
            _HttpClientUtil  = httpClientUtil;
            createReader(httpClientUtil);

            try
            {
                if (labelInfo != null)
                {
                    _LabelInfo = labelInfo;
                    _LabelNode = new PathNode(_FeatureTypeInfo.FeatureTypeNamespace, _LabelInfo.Columns[0].ColumnName,
                                              (NameTable)_XmlReader.NameTable);
                }
            }
            catch (Exception ex)
            {
                Trace.TraceError("An exception occured while initializing the label path node!");
                throw ex;
            }

            initializePathNodes();
            initializeSeparators();
        }
Exemplo n.º 4
0
 /// <summary>
 /// Protected constructor for the abstract class.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 protected GeometryFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
 {
     _FeatureTypeInfo = featureTypeInfo;
     _XmlReader = xmlReader;
     initializePathNodes();
     initializeSeparators();
 }
Exemplo n.º 5
0
 /// <summary>
 /// Initializes a new instance of the <see cref="UnspecifiedGeometryFactory_WFS1_0_0_GML2"/> class.
 /// </summary>
 /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 /// <param name="multiGeometries">A boolean value specifying whether multi-geometries should be created</param>
 /// <param name="quickGeometries">A boolean value specifying whether the factory should create geometries quickly, but without validation</param>
 /// <param name="labelInfo">A FeatureDataTable for labels</param>
 internal UnspecifiedGeometryFactory_WFS1_0_0_GML2(HttpClientUtil httpClientUtil,
                                                   WfsFeatureTypeInfo featureTypeInfo, bool multiGeometries,
                                                   bool quickGeometries, FeatureDataTable labelInfo)
     : base(httpClientUtil, featureTypeInfo, labelInfo)
 {
     _HttpClientUtil  = httpClientUtil;
     _MultiGeometries = multiGeometries;
     _QuickGeometries = quickGeometries;
 }
Exemplo n.º 6
0
        /// <summary>
        /// This method returns the POST request for 'GetFeature'.
        /// </summary>
        /// <param name="featureTypeInfo">A <see cref="WFS.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="labelProperty">A property necessary for label rendering</param>
        /// <param name="boundingBox">The bounding box of the query</param>
        /// <param name="filter">An instance implementing <see cref="IFilter"/></param>
        public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty,
                                            BoundingBox boundingBox, IFilter filter)
        {
            string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
                                       ? string.Empty
                                       : featureTypeInfo.Prefix + ":";

            using (StringWriter sWriter = new StringWriter())
            {
                using (XmlTextWriter xWriter = new XmlTextWriter(sWriter))
                {
                    xWriter.Namespaces = true;
                    xWriter.WriteStartElement("GetFeature", NSWFS);
                    xWriter.WriteAttributeString("service", "WFS");
                    xWriter.WriteAttributeString("version", "1.0.0");
                    xWriter.WriteStartElement("Query", NSWFS);
                    xWriter.WriteAttributeString("typeName", qualification + featureTypeInfo.Name);
                    xWriter.WriteElementString("PropertyName", qualification + featureTypeInfo.Geometry._GeometryName);
                    if (!string.IsNullOrEmpty(labelProperty))
                    {
                        xWriter.WriteElementString("PropertyName", qualification + labelProperty);
                    }
                    xWriter.WriteStartElement("Filter", NSOGC);
                    xWriter.WriteStartElement("BBOX");
                    xWriter.WriteElementString("PropertyName", featureTypeInfo.Geometry._GeometryName);
                    xWriter.WriteStartElement("gml", "Box", NSGML);
                    xWriter.WriteAttributeString("srsName",
                                                 "http://www.opengis.net/gml/srs/epsg.xml#" + featureTypeInfo.SRID);
                    xWriter.WriteElementString("coordinates", NSGML,
                                               XmlConvert.ToString(boundingBox.Left) + "," +
                                               XmlConvert.ToString(boundingBox.Bottom) + " " +
                                               XmlConvert.ToString(boundingBox.Right) + "," +
                                               XmlConvert.ToString(boundingBox.Top));
                    xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    if (filter != null)
                    {
                        xWriter.WriteRaw(filter.Encode());
                    }
                    if (filter != null)
                    {
                        xWriter.WriteEndElement();
                    }
                    xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    xWriter.Flush();
                    return(Encoding.UTF8.GetBytes(sWriter.ToString()));
                }
            }
        }
Exemplo n.º 7
0
        /// <summary>
        /// This method returns the query string for 'GetFeature'.
        /// </summary>
        /// <param name="featureTypeInfo">A <see cref="WFS.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="boundingBox">The bounding box of the query</param>
        /// <param name="filter">An instance implementing <see cref="IFilter"/></param>
        public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, BoundingBox boundingBox, IFilter filter)
        {
            string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
                                       ? string.Empty
                                       : featureTypeInfo.Prefix + ":";
            string filterString = string.Empty;

            if (filter != null)
            {
                filterString = filter.Encode();
                filterString = filterString.Replace("<", "%3C");
                filterString = filterString.Replace(">", "%3E");
                filterString = filterString.Replace(" ", "");
                filterString = filterString.Replace("*", "%2a");
                filterString = filterString.Replace("#", "%23");
                filterString = filterString.Replace("!", "%21");
            }

            StringBuilder filterBuilder = new StringBuilder();

            filterBuilder.Append("&FILTER=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML + "%22");
            if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
            {
                filterBuilder.Append("%20xmlns:" + featureTypeInfo.Prefix + "=%22" +
                                     featureTypeInfo.FeatureTypeNamespace + "%22");
                //added by PDD to get it to work for deegree default sample
            }
            filterBuilder.Append("%3E%3CBBOX%3E%3CPropertyName%3E");
            filterBuilder.Append(qualification);
            filterBuilder.Append(featureTypeInfo.Geometry._GeometryName);
            filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName='EPSG:" + featureTypeInfo.SRID + "'%3E");
            filterBuilder.Append("%3Cgml:coordinates%3E");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
            filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
            filterBuilder.Append(filterString);
            filterBuilder.Append("%3C/Filter%3E");

            if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
            {
                //TODO: reorganize: this is not a part of the filter and should be somewhere else. PDD.
                filterBuilder.Append("&NAMESPACE=xmlns(" + featureTypeInfo.Prefix + "=" +
                                     featureTypeInfo.FeatureTypeNamespace + ")");
            }

            return("?SERVICE=WFS&Version=1.1.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
                   "&PROPERTYNAME=" + qualification + featureTypeInfo.Geometry._GeometryName +
                   "&SRS =" + featureTypeInfo.SRID + filterBuilder);
        }
        /// <summary>
        /// This method returns the query string for 'GetFeature'.
        /// </summary>
        /// <param name="featureTypeInfo">A <see cref="WFS.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="boundingBox">The bounding box of the query</param>
        /// <param name="filter">An instance implementing <see cref="IFilter"/></param>
        public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, BoundingBox boundingBox, IFilter filter)
        {
            string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
                                       ? string.Empty
                                       : featureTypeInfo.Prefix + ":";
            string filterString = string.Empty;

            if (filter != null)
            {
                filterString = filter.Encode();
                filterString = filterString.Replace("<", "%3C");
                filterString = filterString.Replace(">", "%3E");
                filterString = filterString.Replace(" ", "");
                filterString = filterString.Replace("*", "%2a");
                filterString = filterString.Replace("#", "%23");
                filterString = filterString.Replace("!", "%21");
            }

            StringBuilder filterBuilder = new StringBuilder();
            filterBuilder.Append("&FILTER=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML + "%22");
            if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
            {
                filterBuilder.Append("%20xmlns:" + featureTypeInfo.Prefix + "=%22" +
                                     featureTypeInfo.FeatureTypeNamespace + "%22");
                    //added by PDD to get it to work for deegree default sample
            }
            filterBuilder.Append("%3E%3CBBOX%3E%3CPropertyName%3E");
            filterBuilder.Append(qualification);
            filterBuilder.Append(featureTypeInfo.Geometry._GeometryName);
            filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName='EPSG:" + featureTypeInfo.SRID + "'%3E");
            filterBuilder.Append("%3Cgml:coordinates%3E");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
            filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
            filterBuilder.Append(filterString);
            filterBuilder.Append("%3C/Filter%3E");

            if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
            {
                //TODO: reorganize: this is not a part of the filter and should be somewhere else. PDD.
                filterBuilder.Append("&NAMESPACE=xmlns(" + featureTypeInfo.Prefix + "=" +
                                     featureTypeInfo.FeatureTypeNamespace + ")");
            }

            return "?SERVICE=WFS&Version=1.1.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
                   "&PROPERTYNAME=" + qualification + featureTypeInfo.Geometry._GeometryName +
                   "&SRS =" + featureTypeInfo.SRID + filterBuilder;
        }
Exemplo n.º 9
0
        /// <summary>
        /// This method returns the query string for 'GetFeature'.
        /// </summary>
        /// <param name="featureTypeInfo">A <see cref="WFS.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="boundingBox">The bounding box of the query</param>
        /// <param name="filter">An instance implementing <see cref="IFilter"/></param>
        public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, BoundingBox boundingBox, IFilter filter)
        {
            string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
                                       ? string.Empty
                                       : featureTypeInfo.Prefix + ":";
            string filterString = string.Empty;

            if (filter != null)
            {
                filterString = filter.Encode();
                filterString = filterString.Replace("<", "%3C");
                filterString = filterString.Replace(">", "%3E");
                filterString = filterString.Replace(" ", "");
                filterString = filterString.Replace("*", "%2a");
                filterString = filterString.Replace("#", "%23");
                filterString = filterString.Replace("!", "%21");
            }

            StringBuilder filterBuilder = new StringBuilder();

            filterBuilder.Append("&filter=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML +
                                 "%22%3E%3CBBOX%3E%3CPropertyName%3E");
            filterBuilder.Append(qualification);
            filterBuilder.Append(featureTypeInfo.Geometry._GeometryName);
            filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName=%22EPSG:" + featureTypeInfo.SRID + "%22%3E");
            filterBuilder.Append("%3Cgml:coordinates%3E");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
            filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
            filterBuilder.Append(filterString);
            filterBuilder.Append("%3C/Filter%3E");

            return("?SERVICE=WFS&Version=1.0.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
                   "&PROPERTYNAME=" + qualification + featureTypeInfo.Geometry._GeometryName +
                   "&SRS =" + featureTypeInfo.SRID + filterBuilder);
        }
        /// <summary>
        /// This method returns the query string for 'GetFeature'.
        /// </summary>
        /// <param name="featureTypeInfo">A <see cref="WFS.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="boundingBox">The bounding box of the query</param>
        /// <param name="filter">An instance implementing <see cref="IFilter"/></param>
        public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, BoundingBox boundingBox, IFilter filter)
        {
            string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
                                       ? string.Empty
                                       : featureTypeInfo.Prefix + ":";
            string filterString = string.Empty;

            if (filter != null)
            {
                filterString = filter.Encode();
                filterString = filterString.Replace("<", "%3C");
                filterString = filterString.Replace(">", "%3E");
                filterString = filterString.Replace(" ", "");
                filterString = filterString.Replace("*", "%2a");
                filterString = filterString.Replace("#", "%23");
                filterString = filterString.Replace("!", "%21");
            }

            StringBuilder filterBuilder = new StringBuilder();
            filterBuilder.Append("&filter=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML +
                                 "%22%3E%3CBBOX%3E%3CPropertyName%3E");
            filterBuilder.Append(qualification);
            filterBuilder.Append(featureTypeInfo.Geometry._GeometryName);
            filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName=%22EPSG:" + featureTypeInfo.SRID + "%22%3E");
            filterBuilder.Append("%3Cgml:coordinates%3E");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
            filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
            filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
            filterBuilder.Append(filterString);
            filterBuilder.Append("%3C/Filter%3E");

            return "?SERVICE=WFS&Version=1.0.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
                   "&PROPERTYNAME=" + qualification + featureTypeInfo.Geometry._GeometryName +
                   "&SRS =" + featureTypeInfo.SRID + filterBuilder;
        }
Exemplo n.º 11
0
 /// <summary>
 /// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal MultiPolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
 }
Exemplo n.º 12
0
        /// <summary>
        /// This method gets metadata about the featuretype to query from 'GetCapabilities' and 'DescribeFeatureType'.
        /// </summary>
        private void GetFeatureTypeInfo()
        {
            try
            {
                _FeatureTypeInfo = new WfsFeatureTypeInfo();
                WFSClientHTTPConfigurator config = new WFSClientHTTPConfigurator(_TextResources);

                _FeatureTypeInfo.Prefix = _NsPrefix;
                _FeatureTypeInfo.Name = _FeatureType;

                string featureQueryName = string.IsNullOrEmpty(_NsPrefix)
                                              ? _FeatureType
                                              : _NsPrefix + ":" + _FeatureType;

                /***************************/
                /* GetCapabilities request  /
                /***************************/

                if (_FeatureTypeInfoQueryManager == null)
                {
                    /* Initialize IXPathQueryManager with configured HttpClientUtil */
                    _FeatureTypeInfoQueryManager =
                        new XPathQueryManager_CompiledExpressionsDecorator(new XPathQueryManager());
                    _FeatureTypeInfoQueryManager.SetDocumentToParse(
                        config.configureForWfsGetCapabilitiesRequest(_HttpClientUtil, _GetCapabilitiesURI));
                    /* Namespaces for XPath queries */
                    _FeatureTypeInfoQueryManager.AddNamespace(_TextResources.NSWFSPREFIX, _TextResources.NSWFS);
                    _FeatureTypeInfoQueryManager.AddNamespace(_TextResources.NSOWSPREFIX, _TextResources.NSOWS);
                    _FeatureTypeInfoQueryManager.AddNamespace(_TextResources.NSXLINKPREFIX, _TextResources.NSXLINK);
                }

                /* Service URI (for WFS GetFeature request) */
                _FeatureTypeInfo.ServiceURI = _FeatureTypeInfoQueryManager.GetValueFromNode
                    (_FeatureTypeInfoQueryManager.Compile(_TextResources.XPATH_GETFEATURERESOURCE));
                /* If no GetFeature URI could be found, try GetCapabilities URI */
                if (_FeatureTypeInfo.ServiceURI == null) _FeatureTypeInfo.ServiceURI = _GetCapabilitiesURI;
                else if (_FeatureTypeInfo.ServiceURI.EndsWith("?", StringComparison.Ordinal))
                    _FeatureTypeInfo.ServiceURI =
                        _FeatureTypeInfo.ServiceURI.Remove(_FeatureTypeInfo.ServiceURI.Length - 1);

                /* URI for DescribeFeatureType request */
                string describeFeatureTypeUri = _FeatureTypeInfoQueryManager.GetValueFromNode
                    (_FeatureTypeInfoQueryManager.Compile(_TextResources.XPATH_DESCRIBEFEATURETYPERESOURCE));
                /* If no DescribeFeatureType URI could be found, try GetCapabilities URI */
                if (describeFeatureTypeUri == null) describeFeatureTypeUri = _GetCapabilitiesURI;
                else if (describeFeatureTypeUri.EndsWith("?", StringComparison.Ordinal))
                    describeFeatureTypeUri =
                        describeFeatureTypeUri.Remove(describeFeatureTypeUri.Length - 1);

                /* Spatial reference ID */
                _FeatureTypeInfo.SRID = _FeatureTypeInfoQueryManager.GetValueFromNode(
                    _FeatureTypeInfoQueryManager.Compile(_TextResources.XPATH_SRS),
                    new[] {new DictionaryEntry("_param1", featureQueryName)});
                /* If no SRID could be found, try '4326' by default */
                if (_FeatureTypeInfo.SRID == null) _FeatureTypeInfo.SRID = "4326";
                else
                    /* Extract number */
                    _FeatureTypeInfo.SRID = _FeatureTypeInfo.SRID.Substring(_FeatureTypeInfo.SRID.LastIndexOf(":") + 1);

                /* Bounding Box */
                IXPathQueryManager bboxQuery = _FeatureTypeInfoQueryManager.GetXPathQueryManagerInContext(
                    _FeatureTypeInfoQueryManager.Compile(_TextResources.XPATH_BBOX),
                    new[] {new DictionaryEntry("_param1", featureQueryName)});

                if (bboxQuery != null)
                {
                    WfsFeatureTypeInfo.BoundingBox bbox = new WfsFeatureTypeInfo.BoundingBox();
                    NumberFormatInfo formatInfo = new NumberFormatInfo();
                    formatInfo.NumberDecimalSeparator = ".";
                    string bboxVal = null;

                    if (_WfsVersion == WFSVersionEnum.WFS1_0_0)
                        bbox._MinLat =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMINY))) !=
                                null
                                    ? bboxVal
                                    : "0.0", formatInfo);
                    else if (_WfsVersion == WFSVersionEnum.WFS1_1_0)
                        bbox._MinLat =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMINY))) !=
                                null
                                    ? bboxVal.Substring(bboxVal.IndexOf(' ') + 1)
                                    : "0.0", formatInfo);

                    if (_WfsVersion == WFSVersionEnum.WFS1_0_0)
                        bbox._MaxLat =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMAXY))) !=
                                null
                                    ? bboxVal
                                    : "0.0", formatInfo);
                    else if (_WfsVersion == WFSVersionEnum.WFS1_1_0)
                        bbox._MaxLat =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMAXY))) !=
                                null
                                    ? bboxVal.Substring(bboxVal.IndexOf(' ') + 1)
                                    : "0.0", formatInfo);

                    if (_WfsVersion == WFSVersionEnum.WFS1_0_0)
                        bbox._MinLong =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMINX))) !=
                                null
                                    ? bboxVal
                                    : "0.0", formatInfo);
                    else if (_WfsVersion == WFSVersionEnum.WFS1_1_0)
                        bbox._MinLong =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMINX))) !=
                                null
                                    ? bboxVal.Substring(0, bboxVal.IndexOf(' ') + 1)
                                    : "0.0", formatInfo);

                    if (_WfsVersion == WFSVersionEnum.WFS1_0_0)
                        bbox._MaxLong =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMAXX))) !=
                                null
                                    ? bboxVal
                                    : "0.0", formatInfo);
                    else if (_WfsVersion == WFSVersionEnum.WFS1_1_0)
                        bbox._MaxLong =
                            Convert.ToDouble(
                                (bboxVal =
                                 bboxQuery.GetValueFromNode(bboxQuery.Compile(_TextResources.XPATH_BOUNDINGBOXMAXX))) !=
                                null
                                    ? bboxVal.Substring(0, bboxVal.IndexOf(' ') + 1)
                                    : "0.0", formatInfo);

                    _FeatureTypeInfo.BBox = bbox;
                }

                //Continue with a clone in order to preserve the 'GetCapabilities' response
                IXPathQueryManager describeFeatureTypeQueryManager = _FeatureTypeInfoQueryManager.Clone();

                /******************************/
                /* DescribeFeatureType request /
                /******************************/

                /* Initialize IXPathQueryManager with configured HttpClientUtil */
                describeFeatureTypeQueryManager.ResetNamespaces();
                describeFeatureTypeQueryManager.SetDocumentToParse(config.configureForWfsDescribeFeatureTypeRequest
                                                                       (_HttpClientUtil, describeFeatureTypeUri,
                                                                        featureQueryName));

                /* Namespaces for XPath queries */
                describeFeatureTypeQueryManager.AddNamespace(_TextResources.NSSCHEMAPREFIX, _TextResources.NSSCHEMA);
                describeFeatureTypeQueryManager.AddNamespace(_TextResources.NSGMLPREFIX, _TextResources.NSGML);

                /* Get target namespace */
                string targetNs = describeFeatureTypeQueryManager.GetValueFromNode(
                    describeFeatureTypeQueryManager.Compile(_TextResources.XPATH_TARGETNS));
                if (targetNs != null)
                    _FeatureTypeInfo.FeatureTypeNamespace = targetNs;

                /* Get geometry */
                string geomType = _GeometryType == GeometryTypeEnum.Unknown ? null : _GeometryType.ToString();
                string geomName = null;
                string geomComplexTypeName = null;

                /* The easiest way to get geometry info, just ask for the 'gml'-prefixed type-attribute... 
                   Simple, but effective in 90% of all cases...this is the standard GeoServer creates.*/
                /* example: <xs:element nillable = "false" name = "the_geom" maxOccurs = "1" type = "gml:MultiPolygonPropertyType" minOccurs = "0" /> */
                /* Try to get context of the geometry element by asking for a 'gml:*' type-attribute */
                IXPathQueryManager geomQuery = describeFeatureTypeQueryManager.GetXPathQueryManagerInContext(
                    describeFeatureTypeQueryManager.Compile(_TextResources.XPATH_GEOMETRYELEMENT_BYTYPEATTRIBUTEQUERY));
                if (geomQuery != null)
                {
                    geomName = geomQuery.GetValueFromNode(geomQuery.Compile(_TextResources.XPATH_NAMEATTRIBUTEQUERY));

                    /* Just, if not set manually... */
                    if (geomType == null)
                        geomType = geomQuery.GetValueFromNode(geomQuery.Compile(_TextResources.XPATH_TYPEATTRIBUTEQUERY));
                }
                else
                {
                    /* Try to get context of a complexType with element ref ='gml:*' - use the global context */
                    /* example:
                    <xs:complexType name="geomType">
                        <xs:sequence>
                            <xs:element ref="gml:polygonProperty" minOccurs="0"/>
                        </xs:sequence>
                    </xs:complexType> */
                    geomQuery = describeFeatureTypeQueryManager.GetXPathQueryManagerInContext(
                        describeFeatureTypeQueryManager.Compile(
                            _TextResources.XPATH_GEOMETRYELEMENTCOMPLEXTYPE_BYELEMREFQUERY));
                    if (geomQuery != null)
                    {
                        /* Ask for the name of the complextype - use the local context*/
                        geomComplexTypeName =
                            geomQuery.GetValueFromNode(geomQuery.Compile(_TextResources.XPATH_NAMEATTRIBUTEQUERY));

                        if (geomComplexTypeName != null)
                        {
                            /* Ask for the name of an element with a complextype of 'geomComplexType' - use the global context */
                            geomName =
                                describeFeatureTypeQueryManager.GetValueFromNode(
                                    describeFeatureTypeQueryManager.Compile(
                                        _TextResources.XPATH_GEOMETRY_ELEMREF_GEOMNAMEQUERY), new[]
                                                                                                  {
                                                                                                      new DictionaryEntry
                                                                                                          ("_param1",
                                                                                                           _FeatureTypeInfo
                                                                                                               .
                                                                                                               FeatureTypeNamespace)
                                                                                                      ,
                                                                                                      new DictionaryEntry
                                                                                                          ("_param2",
                                                                                                           geomComplexTypeName)
                                                                                                  });
                        }
                        else
                        {
                            /* The geometry element must be an ancestor, if we found an anonymous complextype */
                            /* Ask for the element hosting the anonymous complextype - use the global context */
                            /* example: 
                            <xs:element name ="SHAPE">
                                <xs:complexType>
                            	    <xs:sequence>
                              		    <xs:element ref="gml:lineStringProperty" minOccurs="0"/>
                                  </xs:sequence>
                                </xs:complexType>
                            </xs:element> */
                            geomName =
                                describeFeatureTypeQueryManager.GetValueFromNode(
                                    describeFeatureTypeQueryManager.Compile(
                                        _TextResources.XPATH_GEOMETRY_ELEMREF_GEOMNAMEQUERY_ANONYMOUSTYPE));
                        }
                        /* Just, if not set manually... */
                        if (geomType == null)
                        {
                            /* Ask for the 'ref'-attribute - use the local context */
                            if (
                                (geomType =
                                 geomQuery.GetValueFromNode(
                                     geomQuery.Compile(_TextResources.XPATH_GEOMETRY_ELEMREF_GMLELEMENTQUERY))) != null)
                            {
                                switch (geomType)
                                {
                                    case "gml:pointProperty":
                                        geomType = "PointPropertyType";
                                        break;
                                    case "gml:lineStringProperty":
                                        geomType = "LineStringPropertyType";
                                        break;
                                    case "gml:curveProperty":
                                        geomType = "CurvePropertyType";
                                        break;
                                    case "gml:polygonProperty":
                                        geomType = "PolygonPropertyType";
                                        break;
                                    case "gml:surfaceProperty":
                                        geomType = "SurfacePropertyType";
                                        break;
                                    case "gml:multiPointProperty":
                                        geomType = "MultiPointPropertyType";
                                        break;
                                    case "gml:multiLineStringProperty":
                                        geomType = "MultiLineStringPropertyType";
                                        break;
                                    case "gml:multiCurveProperty":
                                        geomType = "MultiCurvePropertyType";
                                        break;
                                    case "gml:multiPolygonProperty":
                                        geomType = "MultiPolygonPropertyType";
                                        break;
                                    case "gml:multiSurfaceProperty":
                                        geomType = "MultiSurfacePropertyType";
                                        break;
                                        // e.g. 'gml:_geometryProperty' 
                                    default:
                                        break;
                                }
                            }
                        }
                    }
                }

                if (geomName == null)
                    /* Default value for geometry column = geom */
                    geomName = "geom";

                if (geomType == null)
                    /* Set geomType to an empty string in order to avoid exceptions.
                    The geometry type is not necessary by all means - it can be detected in 'GetFeature' response too.. */
                    geomType = string.Empty;

                /* Remove prefix */
                if (geomType.Contains(":"))
                    geomType = geomType.Substring(geomType.IndexOf(":") + 1);

                WfsFeatureTypeInfo.GeometryInfo geomInfo = new WfsFeatureTypeInfo.GeometryInfo();
                geomInfo._GeometryName = geomName;
                geomInfo._GeometryType = geomType;
                _FeatureTypeInfo.Geometry = geomInfo;
            }
            finally
            {
                _HttpClientUtil.Close();
            }
        }
Exemplo n.º 13
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 /// <summary>
 /// Initializes a new instance of the <see cref="LineStringFactory"/> class.
 /// </summary>
 /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 /// <param name="labelInfo">A FeatureDataTable for labels</param>
 internal LineStringFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
                            FeatureDataTable labelInfo) : base(httpClientUtil, featureTypeInfo, labelInfo)
 {
 }
Exemplo n.º 14
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 /// <summary>
 /// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
 /// </summary>
 /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 /// <param name="labelInfo">A FeatureDataTable for labels</param>
 internal MultiPolygonFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
                              FeatureDataTable labelInfo) : base(httpClientUtil, featureTypeInfo, labelInfo)
 {
 }
Exemplo n.º 15
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 /// <summary>
 /// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal MultiPolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
 }
Exemplo n.º 16
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 /// <summary>
 /// Initializes a new instance of the <see cref="MultiLineStringFactory"/> class.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal MultiLineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
 }
Exemplo n.º 17
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 /// <summary>
 /// Initializes a new instance of the <see cref="LineStringFactory"/> class.
 /// This constructor shall just be called from the MultiLineString factory. The feature node therefore is deactivated.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal LineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
     _FeatureNode.IsActive = false;
 }
Exemplo n.º 18
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        /// <summary>
        /// Use this constructor for initializing this dataprovider with a 
        /// <see cref="WfsFeatureTypeInfo"/> object, 
        /// so that 'GetCapabilities' and 'DescribeFeatureType' can be bypassed.
        /// </summary>
        public WFS(WfsFeatureTypeInfo featureTypeInfo, WFSVersionEnum wfsVersion)
        {
            _FeatureTypeInfo = featureTypeInfo;

            if (wfsVersion == WFSVersionEnum.WFS1_0_0)
                _TextResources = new WFS_1_0_0_TextResources();
            else _TextResources = new WFS_1_1_0_TextResources();

            _WfsVersion = wfsVersion;
        }
Exemplo n.º 19
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 /// <summary>
 /// Initializes a new instance of the <see cref="PolygonFactory"/> class.
 /// This constructor shall just be called from the MultiPolygon factory. The feature node therefore is deactivated.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal PolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
     _FeatureNode.IsActive = false;
 }
Exemplo n.º 20
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 /// <summary>
 /// Initializes a new instance of the <see cref="LineStringFactory"/> class.
 /// </summary>
 /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 /// <param name="labelInfo">A FeatureDataTable for labels</param>
 internal LineStringFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
                            FeatureDataTable labelInfo) : base(httpClientUtil, featureTypeInfo, labelInfo)
 {
 }
Exemplo n.º 21
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            /// <summary>
            /// Configures for WFS 'GetFeature' request using an instance implementing <see cref="Mapsui.Utilities.Wfs.IWFS_TextResources"/>.
            /// The <see cref="Mapsui.Utilities.Wfs.HttpClientUtil"/> instance is returned for immediate usage. 
            /// </summary>
            internal HttpClientUtil configureForWfsGetFeatureRequest(HttpClientUtil httpClientUtil,
                                                                     WfsFeatureTypeInfo featureTypeInfo,
                                                                     string labelProperty, BoundingBox boundingBox,
                                                                     IFilter filter, bool GET)
            {
                httpClientUtil.Reset();
                httpClientUtil.Url = featureTypeInfo.ServiceURI;

                if (GET)
                {
                    /* HTTP-GET */
                    httpClientUtil.Url += _WfsTextResources.GetFeatureGETRequest(featureTypeInfo, boundingBox, filter);
                    return httpClientUtil;
                }

                /* HTTP-POST */
                httpClientUtil.PostData = _WfsTextResources.GetFeaturePOSTRequest(featureTypeInfo, labelProperty,
                                                                                  boundingBox, filter);
                httpClientUtil.AddHeader(HttpRequestHeader.ContentType.ToString(), "text/xml");
                return httpClientUtil;
            }
Exemplo n.º 22
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 /// <summary>
 /// Initializes a new instance of the <see cref="UnspecifiedGeometryFactory_WFS1_0_0_GML2"/> class.
 /// </summary>
 /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 /// <param name="multiGeometries">A boolean value specifying whether multi-geometries should be created</param>
 /// <param name="quickGeometries">A boolean value specifying whether the factory should create geometries quickly, but without validation</param>
 /// <param name="labelInfo">A FeatureDataTable for labels</param>
 internal UnspecifiedGeometryFactory_WFS1_0_0_GML2(HttpClientUtil httpClientUtil,
                                                   WfsFeatureTypeInfo featureTypeInfo, bool multiGeometries,
                                                   bool quickGeometries, FeatureDataTable labelInfo)
     : base(httpClientUtil, featureTypeInfo, labelInfo)
 {
     _HttpClientUtil = httpClientUtil;
     _MultiGeometries = multiGeometries;
     _QuickGeometries = quickGeometries;
 }
Exemplo n.º 23
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 /// <summary>
 /// Initializes a new instance of the <see cref="MultiLineStringFactory"/> class.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal MultiLineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
 }
Exemplo n.º 24
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        /// <summary>
        /// Use this constructor for initializing this dataprovider with all mandatory
        /// metadata for retrieving a featuretype, so that 'GetCapabilities' and 'DescribeFeatureType' can be bypassed.
        /// </summary>
        /// <param name="nsPrefix">
        /// Use an empty string or 'null', if there is no prefix for the featuretype.
        /// </param>
        /// <param name="featureTypeNamespace">
        /// Use an empty string or 'null', if there is no namespace for the featuretype.
        /// You don't need to know the namespace of the feature type, if you use the quick geometries option.
        /// </param>
        /// <param name="geometryType">
        /// Specifying the geometry type helps to accelerate the rendering process.   
        /// </param>
        public WFS(string serviceURI, string nsPrefix, string featureTypeNamespace, string featureType,
                   string geometryName, GeometryTypeEnum geometryType, WFSVersionEnum wfsVersion)
        {
            _FeatureTypeInfo = new WfsFeatureTypeInfo(serviceURI, nsPrefix, featureTypeNamespace, featureType,
                                                      geometryName, geometryType);

            if (wfsVersion == WFSVersionEnum.WFS1_0_0)
                _TextResources = new WFS_1_0_0_TextResources();
            else _TextResources = new WFS_1_1_0_TextResources();

            _WfsVersion = wfsVersion;
        }
Exemplo n.º 25
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 /// <summary>
 /// Initializes a new instance of the <see cref="LineStringFactory"/> class.
 /// This constructor shall just be called from the MultiLineString factory. The feature node therefore is deactivated.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal LineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
     _FeatureNode.IsActive = false;
 }
        /// <summary>
        /// This method returns the POST request for 'GetFeature'.
        /// </summary>
        /// <param name="featureTypeInfo">A <see cref="WFS.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
        /// <param name="labelProperty">A property necessary for label rendering</param>
        /// <param name="boundingBox">The bounding box of the query</param>
        /// <param name="filter">An instance implementing <see cref="IFilter"/></param>
        public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty,
                                            BoundingBox boundingBox, IFilter filter)
        {
            string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
                                       ? string.Empty
                                       : featureTypeInfo.Prefix + ":";

            using (StringWriter sWriter = new StringWriter())
            {
                using (XmlTextWriter xWriter = new XmlTextWriter(sWriter))
                {
                    xWriter.Namespaces = true;
                    xWriter.WriteStartElement("GetFeature", NSWFS);
                    xWriter.WriteAttributeString("service", "WFS");
                    xWriter.WriteAttributeString("version", "1.1.0");
                    if (!string.IsNullOrEmpty(featureTypeInfo.Prefix) &&
                        !string.IsNullOrEmpty(featureTypeInfo.FeatureTypeNamespace))
                        xWriter.WriteAttributeString("xmlns:" + featureTypeInfo.Prefix,
                                                     featureTypeInfo.FeatureTypeNamespace);
                            //added by PDD to get it to work for deegree default sample
                    xWriter.WriteStartElement("Query", NSWFS);
                    xWriter.WriteAttributeString("typeName", qualification + featureTypeInfo.Name);
                    xWriter.WriteElementString("PropertyName", qualification + featureTypeInfo.Geometry._GeometryName);
                    if (!string.IsNullOrEmpty(labelProperty))
                        xWriter.WriteElementString("PropertyName", qualification + labelProperty);
                    xWriter.WriteStartElement("Filter", NSOGC);
                    if (filter != null) xWriter.WriteStartElement("And");
                    xWriter.WriteStartElement("BBOX");
                    if (!string.IsNullOrEmpty(featureTypeInfo.Prefix) &&
                        !string.IsNullOrEmpty(featureTypeInfo.FeatureTypeNamespace))
                        xWriter.WriteElementString("PropertyName",
                                                   qualification + featureTypeInfo.Geometry._GeometryName);
                            //added qualification to get it to work for deegree default sample
                    else
                        xWriter.WriteElementString("PropertyName", featureTypeInfo.Geometry._GeometryName);
                    xWriter.WriteStartElement("gml", "Envelope", NSGML);
                    xWriter.WriteAttributeString("srsName",
                                                 "http://www.opengis.net/gml/srs/epsg.xml#" + featureTypeInfo.SRID);
                    xWriter.WriteElementString("lowerCorner", NSGML,
                                               XmlConvert.ToString(boundingBox.Left) + " " +
                                               XmlConvert.ToString(boundingBox.Bottom));
                    xWriter.WriteElementString("upperCorner", NSGML,
                                               XmlConvert.ToString(boundingBox.Right) + " " +
                                               XmlConvert.ToString(boundingBox.Top));
                    xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    if (filter != null) xWriter.WriteRaw(filter.Encode());
                    if (filter != null) xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    xWriter.WriteEndElement();
                    xWriter.Flush();
                    return Encoding.UTF8.GetBytes(sWriter.ToString());
                }
            }
        }
Exemplo n.º 27
0
 /// <summary>
 /// Initializes a new instance of the <see cref="PolygonFactory"/> class.
 /// This constructor shall just be called from the MultiPolygon factory. The feature node therefore is deactivated.
 /// </summary>
 /// <param name="xmlReader">An XmlReader instance</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 internal PolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
     : base(xmlReader, featureTypeInfo)
 {
     _FeatureNode.IsActive = false;
 }
Exemplo n.º 28
0
        public static Map InitializeMap()
        {
            try
            {
                // WARNING
                // This sample needs the GeoServer WFS running on your local machine. 
                // It uses the GeoServer default sample data. Installing and starting it is all you need to do
                // http://docs.codehaus.org/display/GEOS/Download

                // Sample by Peter Robineau

                const string getCapabilitiesUri = "http://localhost:8080/geoserver/wfs";
                const string serviceUri = "http://localhost:8080/geoserver/wfs";

                var map = new Map();
                map.BackColor = Color.White;

                var layer1 = new Layer("States");
                var layer2 = new Layer("SelectedStatesAndHousholds");
                var layer3 = new Layer("New Jersey");
                var layer4 = new Layer("Roads");
                var layer5 = new Layer("Landmarks");
                var layer6 = new Layer("Poi");

                // Demo data from Geoserver 1.5.3 and Geoserver 1.6.0 

                var prov1 = new WFS(getCapabilitiesUri, "topp", "states", WFS.WFSVersionEnum.WFS1_0_0);

                // Bypass 'GetCapabilities' and 'DescribeFeatureType', if you know all necessary metadata.
                var featureTypeInfo = new WfsFeatureTypeInfo(serviceUri, "topp", null, "states",
                                                                            "the_geom");
                // 'WFS.WFSVersionEnum.WFS1_1_0' supported by Geoserver 1.6.x
                var prov2 = new WFS(featureTypeInfo, WFS.WFSVersionEnum.WFS1_1_0);
                // Bypass 'GetCapabilities' and 'DescribeFeatureType' again...
                // It's possible to specify the geometry type, if 'DescribeFeatureType' does not...(.e.g 'GeometryAssociationType')
                // This helps to accelerate the initialization process in case of unprecise geometry information.
                var prov3 = new WFS(serviceUri, "topp", "http://www.openplans.org/topp", "states", "the_geom",
                                    GeometryTypeEnum.MultiSurfacePropertyType, WFS.WFSVersionEnum.WFS1_1_0);

                // Use cached 'GetCapabilities' response of prov1 (featuretype hosted by same service).
                // Compiled XPath expressions are re-used automatically!
                // If you use a cached 'GetCapabilities' response make sure the data provider uses the same version of WFS as the one providing the cache!!!
                var prov4 = new WFS(prov1.GetCapabilitiesCache, "tiger", "tiger_roads", WFS.WFSVersionEnum.WFS1_0_0);
                var prov5 = new WFS(prov1.GetCapabilitiesCache, "tiger", "poly_landmarks", WFS.WFSVersionEnum.WFS1_0_0);
                var prov6 = new WFS(prov1.GetCapabilitiesCache, "tiger", "poi", WFS.WFSVersionEnum.WFS1_0_0);
                // Clear cache of prov1 - data providers do not have any cache, if they use the one of another data provider  
                prov1.GetCapabilitiesCache = null;

                //Filters
                IFilter filter1 = new PropertyIsEqualToFilter_FE1_1_0("STATE_NAME", "California");
                IFilter filter2 = new PropertyIsEqualToFilter_FE1_1_0("STATE_NAME", "Vermont");
                IFilter filter3 = new PropertyIsBetweenFilter_FE1_1_0("HOUSHOLD", "600000", "4000000");
                IFilter filter4 = new PropertyIsLikeFilter_FE1_1_0("STATE_NAME", "New*");

                // SelectedStatesAndHousholds: Green
                var filterCollection1 = new OGCFilterCollection();
                filterCollection1.AddFilter(filter1);
                filterCollection1.AddFilter(filter2);
                var filterCollection2 = new OGCFilterCollection();
                filterCollection2.AddFilter(filter3);
                filterCollection1.AddFilterCollection(filterCollection2);
                filterCollection1.Junctor = OGCFilterCollection.JunctorEnum.Or;
                prov2.OGCFilter = filterCollection1;

                // Like-Filter('New*'): Bisque
                prov3.OGCFilter = filter4;

                // Layer Style
                layer1.Styles.Add(new VectorStyle { Fill = new Brush { Color = Color.Red } });
                layer2.Styles.Add(new VectorStyle { Fill = new Brush { Color = Color.Green } }); // SelectedStatesAndHousholds
                layer3.Styles.Add(new VectorStyle { Fill = new Brush { Color = Color.Yellow } }); // e.g. New York, New Jersey,...
                layer5.Styles.Add(new VectorStyle { Fill = new Brush { Color = Color.Blue } });

                // Labels
                // Labels are collected when parsing the geometry. So there's just one 'GetFeature' call necessary.
                // Otherwise (when calling twice for retrieving labels) there may be an inconsistent read...
                // If a label property is set, the quick geometry option is automatically set to 'false'.
                prov3.Label = "STATE_NAME";
                //!!!LabelLayer layLabel = new LabelLayer("labels");
                //layLabel.DataSource = prov3;
                //layLabel.Enabled = true;
                //layLabel.LabelColumn = prov3.Label;
                //layLabel.Style = new LabelStyle();
                //layLabel.Style.CollisionDetection = false;
                //layLabel.Style.CollisionBuffer = new SizeF(5, 5);
                //layLabel.Style.ForeColor = Color.Black;
                //layLabel.Style.Font = new Font(FontFamily.GenericSerif, 10);
                //layLabel.MaxVisible = 90;
                //layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
                // Options 
                // Defaults: MultiGeometries: true, QuickGeometries: false, GetFeatureGETRequest: false
                // Render with validation...
                prov1.QuickGeometries = false;
                // Important when connecting to an UMN MapServer
                prov1.GetFeatureGETRequest = true;
                // Ignore multi-geometries...
                prov1.MultiGeometries = false;

                // Quick geometries
                // We need this option for prov2 since we have not passed a featuretype namespace
                prov2.QuickGeometries = true;
                prov4.QuickGeometries = true;
                prov5.QuickGeometries = true;
                prov6.QuickGeometries = true;

                layer1.DataSource = prov1;
                layer2.DataSource = prov2;
                layer3.DataSource = prov3;
                layer4.DataSource = prov4;
                layer5.DataSource = prov5;
                layer6.DataSource = prov6;

                map.Layers.Add(layer1);
                map.Layers.Add(layer2);
                map.Layers.Add(layer3);
                map.Layers.Add(layer4);
                map.Layers.Add(layer5);
                map.Layers.Add(layer6);
                //!!!map.Layers.Add(layLabel);

                //!!!map.Center = new Point(-74.0, 40.7);
                //!!!map.Zoom = 10;
                // Alternatively zoom closer
                // demoMap.Zoom = 0.2;

                return map;
            }
            catch (WebException ex)
            {
                if ((ex.Message.Contains("(502) Bad Gateway")) ||
                    (ex.Message.Contains("Unable to connect to the remote server")))
                {
                    throw new Exception(
                        "The Wfs sample threw an exception. You probably need to install the GeoServer WFS to your local machine. You can get it from here: http://docs.codehaus.org/display/GEOS/Download. The exception message was: " +
                        ex.Message);
                }
                throw;
            }
        }
Exemplo n.º 29
0
 /// <summary>
 /// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
 /// </summary>
 /// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
 /// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
 /// <param name="labelInfo">A FeatureDataTable for labels</param>
 internal MultiPolygonFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
                              FeatureDataTable labelInfo) : base(httpClientUtil, featureTypeInfo, labelInfo)
 {
 }