Writing Your Own RTF Converter

// -- FILE ------------------------------------------------------------------
// name       : ArgumentCheck.cs
// project    : System Framelet
// created    : Leon Poyyayil - 2005.05.02
// language   : c#
// environment: .NET 2.0
// copyright  : (c) 2004-2013 by Jani Giannoudis, Switzerland
// --------------------------------------------------------------------------
using System;

namespace Itenso.Sys
{

	// ----------------------------------------------------------------------
	/// <summary>
	/// Some helper methods for common checks on arguments.
	/// </summary>
	public static class ArgumentCheck
	{

		// ----------------------------------------------------------------------
		/// <summary>
		/// Checks the given value and returns it.
		/// </summary>
		/// <param name="value">the value to check</param>
		/// <param name="name">the name for the <c>ArgumentException</c></param>
		/// <returns>the trimmed value</returns>
		/// <exception cref="ArgumentNullException">in case the given value is null</exception>
		/// <exception cref="ArgumentException">in case the trimmed given value is empty</exception>
		public static string NonemptyTrimmedString( string value, string name )
		{
			return NonemptyTrimmedString( value, Strings.ArgumentMayNotBeEmpty, name );
		} // NonemptyTrimmedString

		// ----------------------------------------------------------------------
		/// <summary>
		/// Checks the given value and returns it.
		/// </summary>
		/// <param name="value">the value to check</param>
		/// <param name="exceptionMessage">the message in the <see cref="ArgumentException"/>
		/// in case the given value is empty</param>
		/// <param name="name">the name for the <c>ArgumentException</c></param>
		/// <returns>the trimmed value</returns>
		/// <exception cref="ArgumentNullException">in case the given value is null</exception>
		/// <exception cref="ArgumentException">in case the trimmed given value is empty</exception>
		public static string NonemptyTrimmedString( string value, string exceptionMessage, string name )
		{
			if ( value == null )
			{
				throw new ArgumentNullException( name );
			}
			string trimmed = value.Trim();
			if ( trimmed.Length == 0 )
			{
				throw new ArgumentException( exceptionMessage, name );
			}
			return trimmed;
		} // NonemptyTrimmedString

	} // class ArgumentCheck

} // namespace Itenso.Sys
// -- EOF -------------------------------------------------------------------