/// <summary>
/// Retrieves a <see cref="System.IO.Stream" /> for the mappings file, based on configuration
/// options in the application's <see cref="ConfigurationSettings" />.
/// </summary>
/// <returns>The mappings file stream.</returns>
public static Stream GetMappingsFile()
{
IMappingsReader reader = GetMappingsReader();
ConfigurationSettings settings = ConfigurationSettings.Settings;
string name = settings.MappingsFileName;
string location = settings.MappingsFileLocation;
MappingsFileSource source = settings.MappingsFileSource;
// Prefix the assembly name with bin directory for web apps
if (source == MappingsFileSource.Assembly && !File.Exists(location))
{
if (HttpContext.Current != null)
{
location = Path.Combine(HttpRuntime.BinDirectory, location);
}
else
{
string fileLoadedFrom = Assembly.GetExecutingAssembly().Location;
string pathLoadedFrom = fileLoadedFrom.Substring(0, fileLoadedFrom.LastIndexOf("\\") + 1);
location = Path.Combine(pathLoadedFrom, location);
}
}
return(reader.GetMappingsFile(name, location));
}
private static IMappingsReader GetMappingsReader()
{
ConfigurationSettings settings = ConfigurationSettings.Settings;
MappingsFileSource location = settings.MappingsFileSource;
IMappingsReader reader;
switch (location)
{
case MappingsFileSource.Assembly:
reader = new AssemblyMappingsReader();
break;
case MappingsFileSource.FileSystem:
reader = new FileSystemMappingsReader();
break;
default:
throw new ConfigurationErrorsException("Specified Mappings File Source in configuration file is unknown or invalid.");
}
return(reader);
}
