example segment provider

gistfile1.txt

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Web;

using Umbraco.Core;
using Umbraco.Core.Models;
using Umbraco.Core.Strings;

public class MyApplication : ApplicationEventHandler
{
    protected override void ApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
    {
        base.ApplicationStarting(umbracoApplication, applicationContext);
        // UrlSegmentProviderResolver.Current.Clear();
        UrlSegmentProviderResolver.Current.InsertType<ImmoUrlSegmentProvider>(0);
    }
}

/// <summary>
/// Summary description for ImmoUrlSegmentProvider
/// </summary>
public class ImmoUrlSegmentProvider : IUrlSegmentProvider
{
    /// <summary>
    /// The provider.
    /// </summary>
    private readonly IUrlSegmentProvider provider = new DefaultUrlSegmentProvider();

    /// <summary>
    /// Gets the default url segment for a specified content.
    /// </summary>
    /// <param name="content">The content.</param>
    /// <returns>The url segment.</returns>
    public string GetUrlSegment(IContentBase content)
    {
        return this.GetUrlSegment(content, CultureInfo.CurrentCulture);
    }

    /// <summary>
    /// Gets the default url segment for a specified content.
    /// </summary>
    /// <param name="content">The content.</param>
    /// <param name="culture">The culture.</param>
    /// <returns>The url segment.</returns>
    /// <remarks>This is for when Umbraco is capable of managing more than one url
    /// per content, in 1-to-1 multilingual configurations. Then there would be one
    /// url per culture.</remarks>
    public string GetUrlSegment(IContentBase content, CultureInfo culture)
    {
        if (content.ContentTypeId != 1086)
        {
            return null;
        }

        var segment = this.provider.GetUrlSegment(content);
        // return string.Format("{0}-{1}-{2}", content.Id, segment, content.GetValue("city"));
        return string.Format("{0}-{1}-{2}", content.GetValue("typeDescription"), content.GetValue<string>("city"), segment).ToUrlSegment();
    }
}