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

using System;
using System.IO;

using Org.BouncyCastle.Utilities.IO;

namespace Org.BouncyCastle.Cms{
  /**
  * a holding class for a file of data to be processed.
  */
  public class CmsProcessableFile
    : CmsProcessable
  {
    private const int DefaultBufSize = 32 * 1024;

    private readonly FileInfo  _file;
    private readonly int    _bufSize;

    public CmsProcessableFile(
      FileInfo file)
      : this(file, DefaultBufSize)
    {
    }

    public CmsProcessableFile(
      FileInfo  file,
      int      bufSize)
    {
      _file = file;
      _bufSize = bufSize;
    }

    public virtual Stream Read()
    {
      return new FileStream(
        _file.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, _bufSize);
    }

    public virtual void Write(
      Stream zOut)
    {
      Stream inStr = Read();
      Streams.PipeAll(inStr, zOut);
      inStr.Close();
    }

    /// <returns>The file handle</returns>
    public virtual object GetContent()
    {
      return _file;
    }
  }
}