public static void Write(IGISAttributes attributes, JsonTextWriter jwriter, string[] nonSerializedFields)
{
if (attributes == null)
{
return;
}
if (jwriter == null)
{
throw new ArgumentNullException("jwriter", "A valid JSON writer object is required.");
}
jwriter.WriteStartObject();
IEnumerable <string> names = attributes.GetKeys();
foreach (string name in names)
{
if (nonSerializedFields != null && Contains(nonSerializedFields, name))
{
continue;
}
jwriter.WriteMember(name);
jwriter.WriteString(attributes.GetValue(name).ToString());
}
jwriter.WriteEndObject();
}
public static void ReadGISAttributes(IGISAttributes attributes, JsonTextReader jreader)
{
if (attributes == null)
{
throw new ArgumentNullException("attributes", "A valid attributes reference is required.");
}
if (jreader == null)
{
throw new ArgumentNullException("jreader", "A valid JSON reader object is required.");
}
if (jreader.MoveToContent() && jreader.TokenClass == JsonTokenClass.Object)
{
jreader.ReadToken(JsonTokenClass.Object);
while (jreader.TokenClass == JsonTokenClass.Member)
{
string key = jreader.ReadMember();
string value = jreader.ReadString();
attributes.SetValue(key, value);
}
jreader.ReadToken(JsonTokenClass.EndObject);
}
}
public static void Write(IGISAttributes attributes, TextWriter writer)
{
if (attributes == null)
{
throw new ArgumentNullException("attributes");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
Write(attributes, XmlWriter.Create(writer));
}
public static void Write(IGISAttributes attributes, TextWriter writer, string[] nonSerializedFields)
{
if (attributes == null)
{
return;
}
if (writer == null)
{
throw new ArgumentNullException("writer", "A valid text writer object is required.");
}
JsonTextWriter jwriter = new JsonTextWriter(writer);
Write(attributes, jwriter, nonSerializedFields);
}
public static void ReadGISAttributes(IGISAttributes attributes, TextReader reader)
{
if (attributes == null)
{
throw new ArgumentNullException("attributes", "A valid attributes reference is required.");
}
if (reader == null)
{
throw new ArgumentNullException("reader", "A valid reader object is required.");
}
JsonTextReader jreader = new JsonTextReader(reader);
ReadGISAttributes(attributes, jreader);
}
public static void Write(IGISAttributes attributes, XmlWriter xwriter)
{
if (attributes == null)
{
throw new ArgumentNullException("attributes");
}
if (xwriter == null)
{
throw new ArgumentNullException("xwriter");
}
xwriter.WriteStartElement("Attributes");
IEnumerable <string> names = attributes.GetKeys();
foreach (string name in names)
{
xwriter.WriteStartElement("item");
//write the key
xwriter.WriteElementString("key", name);
//write the qualified type name of the value
//write the value
object value = attributes.GetValue(name);
if (value == null)
{
xwriter.WriteElementString("type", null);
xwriter.WriteElementString("value", null);
}
else
{
TypeConverter typeConverter = TypeDescriptor.GetConverter(value.GetType());
xwriter.WriteElementString("type", value.GetType().AssemblyQualifiedName);
xwriter.WriteElementString("value", typeConverter.ConvertToString(value));
}
xwriter.WriteEndElement();
}
xwriter.WriteEndElement();
}
public GISFeature(IGISAttributes attributes)
{
_attributes = attributes;
}
public GISLineStringFeature(IGISAttributes attributes)
: base(attributes)
{
}
public GeometryCollectionFeature(IGISAttributes attributes)
: base(attributes)
{
}
public GISLineStringFeature(IGISAttributes attributes) : base(attributes)
{
}
public static void ReadGISAttributes(IGISAttributes attributes, JsonTextReader jreader)
{
if (attributes == null)
throw new ArgumentNullException("attributes", "A valid attributes reference is required.");
if (jreader == null)
throw new ArgumentNullException("jreader", "A valid JSON reader object is required.");
if (jreader.MoveToContent() && jreader.TokenClass == JsonTokenClass.Object)
{
jreader.ReadToken(JsonTokenClass.Object);
while (jreader.TokenClass == JsonTokenClass.Member)
{
string key = jreader.ReadMember();
string value = jreader.ReadString();
attributes.SetValue(key, value);
}
jreader.ReadToken(JsonTokenClass.EndObject);
}
}
public static void Write(IGISAttributes attributes, TextWriter writer, string[] nonSerializedFields)
{
if (attributes == null)
return;
if (writer == null)
throw new ArgumentNullException("writer", "A valid text writer object is required.");
JsonTextWriter jwriter = new JsonTextWriter(writer);
Write(attributes, jwriter, nonSerializedFields);
}
public static void Write(IGISAttributes attributes, JsonTextWriter jwriter, string[] nonSerializedFields)
{
if (attributes == null)
return;
if (jwriter == null)
throw new ArgumentNullException("jwriter", "A valid JSON writer object is required.");
jwriter.WriteStartObject();
IEnumerable<string> names = attributes.GetKeys();
foreach (string name in names)
{
if (nonSerializedFields != null && Contains(nonSerializedFields, name))
continue;
jwriter.WriteMember(name);
jwriter.WriteString(attributes.GetValue(name).ToString());
}
jwriter.WriteEndObject();
}
public GISFeature(IGISAttributes attributes)
{
_attributes = attributes;
}
public static void Write(IGISAttributes attributes, JsonTextWriter jwriter)
{
Write(attributes, jwriter, null);
}
public GISPointFeature(IGISAttributes attributes)
: base(attributes)
{
}
public GISPolygonFeature(IGISAttributes attributes)
: base(attributes)
{
}
public GeometryCollectionFeature(IGISAttributes attributes) : base(attributes)
{
}
public static void Write(IGISAttributes attributes, TextWriter writer)
{
Write(attributes, writer, null);
}
public static void Write(IGISAttributes attributes, JsonTextWriter jwriter)
{
Write(attributes, jwriter, null);
}
public GISPolygonFeature(IGISAttributes attributes) : base(attributes)
{
}
public static void Write(IGISAttributes attributes, TextWriter writer)
{
Write(attributes, writer, null);
}
// Creates a SqlCommand for inserting a DataRow
public static SqlCommand CreateInsertCommand(string tableName, string shapeFieldName, IEnumerator <DataColumn> columns, IGISAttributes feature)
{
if (string.IsNullOrEmpty(tableName))
{
throw new ArgumentNullException("tableName");
}
if (columns == null)
{
throw new ArgumentNullException("columns");
}
if (feature == null)
{
throw new ArgumentNullException("feature");
}
string sql = BuildInsertSQL(tableName, columns, shapeFieldName);
SqlCommand command = new SqlCommand(sql);
command.CommandType = System.Data.CommandType.Text;
columns.Reset();
while (columns.MoveNext())
{
DataColumn column = columns.Current;
if (!column.AutoIncrement)
{
string parameterName = "@" + column.ColumnName;
if (column.DataType == typeof(SqlGeography))
{
SqlGeography geog = feature.GetValue(column.ColumnName) as SqlGeography;
InsertGeographyParameter(command, parameterName, column.ColumnName, geog);
}
else if (column.DataType == typeof(SqlGeometry))
{
SqlGeometry geom = feature.GetValue(column.ColumnName) as SqlGeometry;
InsertGeometryParameter(command, parameterName, column.ColumnName, geom);
}
else
{
object val = feature.GetValue(column.ColumnName);
InsertParameter(command, parameterName, column.ColumnName, val, GetSqlDbType(column.DataType));
}
}
}
return(command);
}
public static void ReadGISAttributes(IGISAttributes attributes, TextReader reader)
{
if (attributes == null)
throw new ArgumentNullException("attributes", "A valid attributes reference is required.");
if (reader == null)
throw new ArgumentNullException("reader", "A valid reader object is required.");
JsonTextReader jreader = new JsonTextReader(reader);
ReadGISAttributes(attributes, jreader);
}
public GISPointFeature(IGISAttributes attributes) : base(attributes)
{
}