missingdomain.cs

用C#编写的一个款搜索engine的源代码！摘自<Visual c#2005 程序设计>

using System;

namespace SECompare.Structure
{
	/// <summary>
	/// Store Missing Domain and its count.
	/// </summary>
	public class MissingDomain
	{

		private String m_Domain;
		private int    m_Count;

		public String Domain
		{
			get
			{
				return this.m_Domain;
			}
		}

		public int Count
		{
			get
			{
				return this.m_Count;
			}
		}

		public MissingDomain(String Domain)
		{
			this.m_Domain = Domain;
			this.m_Count  = 1;
		}

		public void AddCount()
		{
			this.m_Count++;
		}

		/// <summary>
		/// Parse domain from URL.
		/// </summary>
		/// <param name="URL">URL</param>
		/// <returns>Domain</returns>
		public static String GetDomain(String URL)
		{
			int DomainStart = URL.IndexOf(@"http://");
			if(DomainStart == -1)
				DomainStart = 0;
			else
				DomainStart = (@"http://").Length;

			int DomainEnd   = URL.IndexOf(@"/",DomainStart);
			if(DomainEnd == -1)
				return URL.Substring(DomainStart,URL.Length-DomainStart);
			else
				return URL.Substring(DomainStart,DomainEnd-DomainStart);
		}

	}
}