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[Modify] Throw exceptions

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sta 2017-08-09 17:55:17 +09:00
parent 8a095213f6
commit 49d17cfa7b
1 changed files with 12 additions and 1 deletions
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13
websocket-sharp/Server/WebSocketSessionManager.cs
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@ -162,8 +162,19 @@ namespace WebSocketSharp.Server
/// </param>
public IWebSocketSession this[string id] {
get {
if (_state != ServerState.Start) {
var msg = "The current state of the manager is not Start.";
throw new InvalidOperationException (msg);
}
if (id == null)
throw new ArgumentNullException ("id");
if (id.Length == 0)
throw new ArgumentException ("An empty string.", "id");
IWebSocketSession session;
TryGetSession (id, out session);
tryGetSession (id, out session);
return session;
}