CollectionUtilities.cs :  » PDF » iTextSharp » Org » BouncyCastle » Utilities » Collections » C# / CSharp Open Source

using System;
using System.Collections;
using System.Text;

namespace Org.BouncyCastle.Utilities.Collections{
  public sealed class CollectionUtilities
  {
    private CollectionUtilities()
    {
    }

    public static bool CheckElementsAreOfType(
      IEnumerable e,
      Type    t)
    {
      foreach (object o in e)
      {
        if (!t.IsInstanceOfType(o))
          return false;
      }
      return true;
    }

    public static string ToString(
      IEnumerable c)
    {
      StringBuilder sb = new StringBuilder("[");

      IEnumerator e = c.GetEnumerator();

      if (e.MoveNext())
      {
        sb.Append(e.Current.ToString());

        while (e.MoveNext())
        {
          sb.Append(", ");
          sb.Append(e.Current.ToString());
        }
      }

      sb.Append(']');

      return sb.ToString();
    }
  }
}