public static TextWriterOriginator Create(TextWriter writer)
{
if (writer is SpoolWriter)
return new SpoolWriterOriginator((SpoolWriter) writer);
if (writer is StringWriter)
return new StringWriterOriginator((StringWriter)writer);
throw new InvalidCastException("writer is unknown type " + writer.GetType().FullName);
}
public void ClosePrintStream(
TextWriter printStream)
{
if (printStream.GetType().ToString() == typeof(StreamWriter).ToString())
{
var streamWriter = (StreamWriter) printStream;
streamWriter.Close();
}
}
public static IHtmlString ContextInfo(TextWriter writer)
{
var res = new StringBuilder();
res.AppendLine("<pre style='margin:10px'>");
res.AppendLine("TextWriter");
res.AppendLine("Type: {0}", writer.GetType().Name);
res.AppendLine("TextWriter.GetHashCode:{0}", writer.GetHashCode());
res.AppendLine("TextWriter.ToString:{0}", writer.ToString());
res.AppendLine("</pre>");
return new MvcHtmlString(res.ToString());
}
private static TextWriter GetEncodedWriter(TextWriter writer)
{
if(typeof(EncodedTextWriter).IsAssignableFrom(writer.GetType()))
{
return writer;
}
else
{
return new EncodedTextWriter(writer);
}
}
private static TextWriter GetUnencodedWriter(TextWriter writer)
{
if (typeof(EncodedTextWriter).IsAssignableFrom(writer.GetType()))
{
return ((EncodedTextWriter)writer).UnderlyingWriter;
}
else
{
return writer;
}
}