private static void OnApplicationRequestStart(object sender, EventArgs e)
{
try
{
HttpApplication application = (HttpApplication) sender;
SageContext context = new SageContext(application.Context);
if (File.Exists(context.Request.PhysicalPath))
return;
QueryString query = new QueryString(HttpContext.Current.Request.Url.Query);
string view = query.GetString(MetaViewDictionary.ParamNameMetaView);
if (view != null && !context.ProjectConfiguration.MetaViews.ContainsKey(view))
view = null;
//// \.(html|xml|xmlx|htmlx)$
//// Meta view extension gets removed from the path
//// Path is rewritten with ?view=$1
string path = MetaExtensionRewriter.MetaViewExpression.Replace(context.Request.Path, delegate(Match m)
{
if (view == null)
view = m.Groups[1].Value;
return string.Empty;
});
if (view != null)
{
query.Remove(MetaViewDictionary.ParamNameMetaView);
query.Add(MetaViewDictionary.ParamNameMetaView, view);
string newUri = new Uri(path + query.ToString("?"), UriKind.RelativeOrAbsolute).ToString();
log.DebugFormat("Rewriting the context path from '{0}' to '{1}'.", context.Request.Path, newUri);
application.Context.RewritePath(newUri);
}
}
catch (Exception ex)
{
log.ErrorFormat("Failed to rewrite path: {0}", ex.Message);
}
}
/// <summary>
/// Substitutes any placeholders in the specified <paramref name="templatePath"/> with values from the current
/// <see cref="ProjectConfiguration"/>, the current <see cref="SageContext"/> and the specified
/// <paramref name="category"/>.
/// </summary>
/// <param name="templatePath">The path to resolve.</param>
/// <param name="category">The category to use instead of the current context's category when resolving.</param>
/// <returns>The substituted version of the specified <paramref name="templatePath"/>.</returns>
public string Substitute(string templatePath, string category)
{
Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(templatePath));
Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(category));
QueryString values = new QueryString();
values.Add("category", category);
values.Add("resourcepath", this.GetAssetPath(category));
return this.Substitute(templatePath, values);
}
/// <summary>
/// Substitutes any placeholders in the specified <paramref name="templatePath"/> with values from the current
/// <see cref="ProjectConfiguration"/> and the specified <paramref name="values"/>.
/// </summary>
/// <param name="templatePath">The template path to resolve.</param>
/// <param name="values">The name/value collection of values to use</param>
/// <returns>
/// The substituted version of the specified template with placeholders substituted.
/// </returns>
public string Substitute(string templatePath, QueryString values)
{
Contract.Requires<ArgumentNullException>(!string.IsNullOrWhiteSpace(templatePath));
Contract.Requires<ArgumentNullException>(values != null);
if (values["category"] == null)
values.Add("category", context.Category);
if (values["locale"] == null)
values.Add("locale", context.Locale);
if (values["assetpath"] == null)
values.Add("assetpath", this.GetAssetPath(values["category"]));
string result = templatePath;
foreach (string key in values)
result = result.Replace(string.Format("{{{0}}}", key), values[key]);
return result;
}
/// <summary>
/// Returns the QueryString for a specified url
/// </summary>
/// <param name="url">The Url to pull the QueryString from</param>
/// <returns>QueryString</returns>
public static QueryString FromUrl(string url)
{
string[] parts = url.Split("?".ToCharArray());
QueryString qs = new QueryString();
qs.document = parts[0];
if (parts.Length == 1)
return qs;
string[] keys = parts[1].Split("&".ToCharArray());
foreach (string key in keys)
{
string[] part = key.Split("=".ToCharArray());
if (part.Length == 1)
qs.Add(part[0], "");
else if (part.Length > 1)
qs.Add(part[0], part[1]);
}
return qs;
}