CMSContentInfoParser.cs :  » PDF » iTextSharp » Org » BouncyCastle » Cms » C# / CSharp Open Source

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();
    }
  }
}