using System; using System.IO; namespace Org.BouncyCastle.Asn1 { public abstract class Asn1Generator : IDisposable { private Stream m_outStream; protected Stream OutStream { get { Stream outStream = m_outStream; if (outStream == null) throw new InvalidOperationException(); return outStream; } } protected Asn1Generator(Stream outStream) { if (outStream == null) throw new ArgumentNullException("outStream"); m_outStream = outStream; } protected abstract void Finish(); public abstract void AddObject(Asn1Encodable obj); public abstract void AddObject(Asn1Object obj); public abstract Stream GetRawOutputStream(); public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } protected virtual void Dispose(bool disposing) { if (disposing && m_outStream != null) { Finish(); m_outStream = null; } } } }