using System;
using System.IO;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Cms;
using Org.BouncyCastle.Utilities;

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 asn1StreamParser = new Asn1StreamParser(data);
			contentInfo = new ContentInfoParser((Asn1SequenceParser)asn1StreamParser.ReadObject());
		}
		catch (IOException e)
		{
			throw new CmsException("IOException reading content.", e);
		}
		catch (InvalidCastException e2)
		{
			throw new CmsException("Unexpected object reading content.", e2);
		}
	}

	public void Close()
	{
		Platform.Dispose(data);
	}
}