/// <summary>
/// This is the header host.
/// </summary>
public virtual string HeaderSingle(string keyValue)
{
if (keyValue == null)
{
throw new ArgumentNullException("keyValue", "keyValue cannot be null.");
}
if (!mHeaderCollectionAlreadyBuilt)
{
return(null);
}
string key = keyValue.Trim().ToLower();
int[] values = mHeaderCollection[key];
if (values.Length > 1)
{
throw new ArgumentOutOfRangeException("keyValue", "There are multiple headers for " + keyValue);
}
HeaderFragment frag = mMessageParts[values[0]] as HeaderFragment;
if (frag == null)
{
return(null);
}
return(frag.FieldData);
}
/// <summary>
/// This method extracts the header value for the particular key.
/// </summary>
/// <param name="keyValue">The key to retrieve.</param>
/// <returns>The collection of strings.</returns>
public virtual IEnumerable <string> Headers(string keyValue)
{
if (keyValue == null)
{
throw new ArgumentNullException("keyValue", "keyValue cannot be null.");
}
if (!mHeaderCollectionAlreadyBuilt)
{
yield break;
}
string key = keyValue.Trim().ToLower();
if (mHeaderCollection.ContainsKey(key))
{
int[] values = mHeaderCollection[key];
if (values.Length > 0)
{
foreach (int i in values)
{
HeaderFragment frag = mMessageParts[i] as HeaderFragment;
if (frag != null)
{
yield return(frag.FieldData);
}
}
}
}
}
/// <summary>
/// This method extracts the header value for the particular key.
/// </summary>
/// <returns>The collection of strings.</returns>
public virtual IEnumerable <HeaderFragment> HeaderFragments()
{
if (!mHeaderCollectionAlreadyBuilt)
{
yield break;
}
foreach (string key in mHeaderCollection.Keys)
{
if (mHeaderCollection.ContainsKey(key))
{
int[] values = mHeaderCollection[key];
if (values.Length == 0)
{
continue;
}
foreach (int i in values)
{
HeaderFragment frag = mMessageParts[i] as HeaderFragment;
if (frag != null)
{
yield return(frag);
}
}
}
}
}
public virtual void HeaderAdd(Type headerType, string Header, string HeaderData)
{
if (!Initializing)
{
throw new MessageException("The HeaderAdd instruction can only be called when the message is initializing.");
}
HeaderFragment newFrag = Activator.CreateInstance(headerType) as HeaderFragment;
newFrag.BeginInit();
newFrag.Field = Header;
newFrag.FieldData = HeaderData ?? "";
HeaderAdd(newFrag);
}
