public static StringBuilder AppendSdpField(this StringBuilder sb, SdpField sdpField)
{
if (sdpField == null)
{
// TODO check field manatory
return(sb);
}
sb.Append(sdpField.Encode());
sb.Append(SdpConstants.SdpNewLine);
return(sb);
}
/// <summary>
/// Get description field attribute.
/// </summary>
/// <param name="sdpField">SDP field with valid description field.</param>
/// <returns>Returns value of SDP description field in following format: 'sessionDescriptionField=' (eg. a=).</returns>
/// <exception cref="CustomAttributeFormatException">Occured when description field attribute is missing,</exception>
public static string GetDescriptionField(SdpField sdpField)
{
Attribute[] attributes = Attribute.GetCustomAttributes(sdpField.GetType());
foreach (Attribute attribute in attributes)
{
if (attribute is DescriptionFieldAttribute)
{
string sessionDescriptionField = ((DescriptionFieldAttribute)attribute).GetDescriptionField();
return(sessionDescriptionField + "=");
}
}
throw new CustomAttributeFormatException("Description field attribute missing.");
}
/// <summary>
/// Initialize new instance of orig - expected container,
/// </summary>
/// <param name="friendlyName">Friendly test name which is shown in the console when error occured,</param>
/// <param name="field">Original SDP specification (non serialized).</param>
/// <param name="expected">Expected SDP specification (serialized).</param>
public SdpSpecTestContainer(string friendlyName, SdpField field, string expected)
{
FriendlyName = friendlyName;
Field = field;
Expected = expected;
}
