// WFS provider by Peter Robineau (peter.robineau@gmx.at)

// This file can be redistributed and/or modified under the terms of the GNU Lesser General Public License.

using System;

using System.Collections.Generic;

using GeoAPI;

using GeoAPI.Geometries;

namespace SharpMap.Utilities.Wfs

{

/// <summary>

/// Web Feature Service geometry types

/// </summary>

public enum GeometryTypeEnum

{

/// <summary>

/// Point

/// </summary>

PointPropertyType,

/// <summary>

/// Linestring

/// </summary>

LineStringPropertyType,

/// <summary>

/// Curve

/// </summary>

CurvePropertyType,

/// <summary>

/// Polygon

/// </summary>

PolygonPropertyType,

/// <summary>

/// Surface

/// </summary>

SurfacePropertyType,

/// <summary>

/// Multipoint

/// </summary>

MultiPointPropertyType,

/// <summary>

/// MultiLinestring

/// </summary>

MultiLineStringPropertyType,

/// <summary>

/// Multicurve

/// </summary>

MultiCurvePropertyType,

/// <summary>

/// MultiPolygon

/// </summary>

MultiPolygonPropertyType,

/// <summary>

/// MultiSurface

/// </summary>

MultiSurfacePropertyType,

/// <summary>

/// Unknown

/// </summary>

Unknown

};

/// <summary>

/// Web Feature Type info class

/// </summary>

public class WfsFeatureTypeInfo

{

#region Fields with Properties

internal IGeometryFactory Factory { get; private set; }

private BoundingBox _BoundingBox = new BoundingBox();

private string _Cs = ",";

private string _DecimalDel = ".";

private string _FeatureTypeNamespace = string.Empty;

private GeometryInfo _Geometry = new GeometryInfo();

private string _Name = string.Empty;

private string _Prefix = string.Empty;

private string _ServiceURI = string.Empty;

private string _SRID;

private string _Ts = " ";

private readonly List<ElementInfo> _elements = new List<ElementInfo>();

/// <summary>

/// Gets the elements associated to the feature.

/// </summary>

public List<ElementInfo> Elements

{

get { return _elements; }

}

/// <summary>

/// Gets or sets the name of the featuretype.

/// This argument is obligatory for data retrieving.

/// </summary>

/// <value>The name.</value>

public string Name

{

get { return _Name; }

set { _Name = value; }

}

/// <summary>

/// Gets or sets the prefix of the featuretype and it's nested elements.

/// This argument is obligatory for data retrieving, if the featuretype is declared with a

/// prefix in 'GetCapabilities'.

/// </summary>

/// <value>The prefix.</value>

public string Prefix

{

get { return _Prefix; }

set { _Prefix = value; }

}

/// <summary>

/// Gets or sets the featuretype namespace.

/// This argument is obligatory for data retrieving, except when using the quick geometries option.

/// </summary>

public string FeatureTypeNamespace

{

get { return _FeatureTypeNamespace; }

set { _FeatureTypeNamespace = value; }

}

/// <summary>

/// Gets the qualified name of the featuretype (with namespace URI).

/// </summary>

internal string QualifiedName

{

get { return _FeatureTypeNamespace + _Name; }

}

/// <summary>

/// Gets or sets the service URI for WFS 'GetFeature' request.

/// This argument is obligatory for data retrieving.

/// </summary>

public string ServiceURI

{

get { return _ServiceURI; }

set { _ServiceURI = value; }

}

/// <summary>

/// Gets or sets information about the geometry of the featuretype.

/// Setting at least the geometry name is obligatory for data retrieving.

/// </summary>

public GeometryInfo Geometry

{

get { return _Geometry; }

set { _Geometry = value; }

}

/// <summary>

/// Gets or sets the spatial extent of the featuretype - defined as minimum bounding rectangle.

/// </summary>

public BoundingBox BBox

{

get { return _BoundingBox; }

set { _BoundingBox = value; }

}

/// <summary>

/// Gets or sets the spatial reference ID

/// </summary>

public string SRID

{

get { return _SRID; }

set

{

if (string.IsNullOrEmpty(value))

value = "4326";

if (string.Compare(_SRID, value, StringComparison.InvariantCultureIgnoreCase) != 0)

{

Factory = GeometryServiceProvider.Instance.CreateGeometryFactory(int.Parse(value));

_SRID = value;

}

}

}

//Coordinates can be included in a single string, but there is no

//facility for validating string content. The value of the 'cs' attribute

//is the separator for coordinate values, and the value of the 'ts'

//attribute gives the tuple separator (a single space by default); the

//default values may be changed to reflect local usage.

/// <summary>

/// Decimal separator (for gml:coordinates)

/// </summary>

public string DecimalDel

{

get { return _DecimalDel; }

set { _DecimalDel = value; }

}

/// <summary>

/// Separator for coordinate values (for gml:coordinates)

/// </summary>

public string Cs

{

get { return _Cs; }

set { _Cs = value; }

}

/// <summary>

/// Tuple separator (for gml:coordinates)

/// </summary>

public string Ts

{

get { return _Ts; }

set { _Ts = value; }

}

#endregion

#region Constructors

/// <summary>

/// Initializes a new instance of the <see cref="WfsFeatureTypeInfo"/> class.

/// </summary>

/// <param name="serviceUri">

/// The Web Feature Service URI

/// </param>

/// <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="featureType">

/// The feature type name

/// </param>

/// <param name="geometryName">

/// The geometry name is the property of the featuretype from which geometry information can be obtained from.

/// Usually this property is called something like 'Shape' or 'geom'. It is absolutely necessary to give this parameter.

/// </param>

/// <param name="geometryType">

/// Specifying the geometry type helps to accelerate the rendering process.

/// </param>

public WfsFeatureTypeInfo(string serviceUri, string nsPrefix, string featureTypeNamespace, string featureType,

string geometryName, GeometryTypeEnum geometryType)

:this()

{

_ServiceURI = serviceUri;

_Prefix = nsPrefix;

_FeatureTypeNamespace = string.IsNullOrEmpty(featureTypeNamespace) ? string.Empty : featureTypeNamespace;

_Name = featureType;

_Geometry._GeometryName = geometryName;

_Geometry._GeometryType = geometryType.ToString();

}

/// <summary>

/// Initializes a new instance of the <see cref="WfsFeatureTypeInfo"/> class.

/// </summary>

/// <param name="serviceUri">

/// The Web Feature Service URI

/// </param>

/// <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="featureType">

/// The feature type name

/// </param>

/// <param name="geometryName">

/// The geometry name is the property of the featuretype from which geometry information can be obtained from.

/// Usually this property is called something like 'Shape' or 'geom'. It is absolutely necessary to give this parameter.

/// </param>

public WfsFeatureTypeInfo(string serviceUri, string nsPrefix, string featureTypeNamespace, string featureType,

string geometryName)

: this(serviceUri, nsPrefix, featureTypeNamespace, featureType, geometryName, GeometryTypeEnum.Unknown)

{

}

/// <summary>

/// Initializes a new instance of the <see cref="WfsFeatureTypeInfo"/> class.

/// </summary>

public WfsFeatureTypeInfo()

{

SRID = "4326";

}

#endregion

#region Nested Types

#region BoundingBox

/// <summary>

/// The bounding box defines the spatial extent of a featuretype.

/// </summary>

public class BoundingBox

{

/// <summary>

/// Maximum latitude

/// </summary>

public double _MaxLat;

/// <summary>

/// Maximum longitude

/// </summary>

public double _MaxLong;

/// <summary>

/// Minimum latitude

/// </summary>

public double _MinLat;

/// <summary>

/// Minimum longitude

/// </summary>

public double _MinLong;

}

#endregion

#region GeometryInfo

/// <summary>

/// The geometry info comprises the name of the geometry attribute (e.g. 'Shape" or 'geom')

/// and the type of the featuretype's geometry.

/// </summary>

public class GeometryInfo

{

/// <summary>

/// The name of the geometry, may be 'shape' or 'geom'

/// </summary>

public string _GeometryName = string.Empty;

/// <summary>

/// The type of the features's geometry

/// </summary>

public string _GeometryType = string.Empty;

}

#endregion

#region ElementInfo

/// <summary>

/// The element info associated to the feature.

/// </summary>

[Serializable]

public class ElementInfo

{

/// <summary>

/// Creates an instance of this class

/// </summary>

/// <param name="name">The name of the element</param>

/// <param name="dataType">The data type of the element</param>

public ElementInfo(string name, string dataType)

{

if (name == null)

throw new ArgumentNullException("name");

if (dataType == null)

throw new ArgumentNullException("dataType");

Name = name;

DataType = dataType;

}

/// <summary>

/// Gets the name of the element

/// </summary>

public string Name { get; private set; }

/// <summary>

/// Gets the type of the element

/// </summary>

public string DataType { get; private set; }

}

#endregion

#endregion

}

}