Initial Commit

iTechSharp/srcbc/cms/CMSContentInfoParser.cs

@@ -0,0 +1,47 @@
+using System;
+using System.IO;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Cms;
+
+namespace Org.BouncyCastle.Cms
+{
+	public class CmsContentInfoParser
+	{
+		protected ContentInfoParser	contentInfo;
+		protected Stream data;
+
+		protected CmsContentInfoParser(
+			Stream data)
+		{
+			if (data == null)
+				throw new ArgumentNullException("data");
+
+			this.data = data;
+
+			try
+			{
+				Asn1StreamParser inStream = new Asn1StreamParser(data, CmsUtilities.MaximumMemory);
+
+				this.contentInfo = new ContentInfoParser((Asn1SequenceParser)inStream.ReadObject());
+			}
+			catch (IOException e)
+			{
+				throw new CmsException("IOException reading content.", e);
+			}
+			catch (InvalidCastException e)
+			{
+				throw new CmsException("Unexpected object reading content.", e);
+			}
+		}
+
+		/**
+		* Close the underlying data stream.
+		* @throws IOException if the close fails.
+		*/
+		public void Close()
+		{
+			this.data.Close();
+		}
+	}
+}