private KmlFile LoadFile(string path)
{
try
{
byte[] data = this.fileResolver.ReadFile(path);
using (var stream = new MemoryStream(data, false))
{
if (path.EndsWith(".kml", StringComparison.OrdinalIgnoreCase))
{
return KmlFile.Load(stream);
}
if (path.EndsWith(".kmz", StringComparison.OrdinalIgnoreCase))
{
if (this.fileResolver.SupportsKmz)
{
return this.fileResolver.ExtractDefaultKmlFileFromKmzArchive(stream);
}
}
}
}
catch (IOException)
{
// Silently fail
}
return null;
}
/// <summary>
/// Reads a Kml file or the default Kml file from a Kmz archive.
/// </summary>
/// <param name="path">The path of the file.</param>
/// <returns>A KmlFile on success, or null on an error.</returns>
public static KmlFile ReadFile(string path)
{
try
{
byte[] data = ReadBytes(new Uri(path, UriKind.RelativeOrAbsolute));
using (var stream = new MemoryStream(data, false))
{
string extension = Path.GetExtension(path);
if (string.Equals(extension, ".kml", StringComparison.OrdinalIgnoreCase))
{
return(KmlFile.Load(stream));
}
if (string.Equals(extension, ".kmz", StringComparison.OrdinalIgnoreCase))
{
using (var kmz = KmzFile.Open(stream))
{
return(KmlFile.LoadFromKmz(kmz));
}
}
}
}
catch (IOException)
{
// Silently fail
}
return(null);
}
/// <summary>
/// Loads a default <see cref="KmlFile"/> inside this archive.
/// </summary>
/// <returns>
/// A KmlFile representing the default KML file in the specified KMZ archive
/// or null if no KML data was found.
/// </returns>
/// <remarks>
/// This method checks for duplicate Id's in the file and throws an
/// exception if duplicate Id's are found. To enable duplicate Id's
/// use the <see cref="SharpKml.Base.Parser"/> class and pass the root
/// element to <see cref="KmlFile.Create"/>.
/// </remarks>
/// <exception cref="ObjectDisposedException">
/// <see cref="Dispose"/> has been called on this instance.
/// </exception>
/// <exception cref="System.Xml.XmlException">
/// An error occurred while parsing the KML.
/// </exception>
public KmlFile GetDefaultKmlFile()
{
string kml = this.ReadKml();
if (kml != null)
{
using (var reader = new StringReader(kml))
{
return(KmlFile.Load(reader));
}
}
return(null);
}