/// <summary>
/// Gets the permanent URL for the <see cref="WxeFunction"/> of the specified <paramref name="functionType"/>
/// and using the <paramref name="urlParameters"/>.
/// </summary>
/// <include file='..\doc\include\ExecutionEngine\WxeContext.xml' path='WxeContext/GetPermanentUrl/param[@name="functionType" or @name="urlParameters" or @name="useParentPermanentUrl"]' />
public string GetPermanentUrl(Type functionType, NameValueCollection urlParameters, bool useParentPermanentUrl)
{
ArgumentUtility.CheckNotNull("urlParameters", urlParameters);
string permanentUrl = WxeContext.GetPermanentUrl(_httpContext, functionType, urlParameters, true);
if (useParentPermanentUrl)
{
if (urlParameters[WxeHandler.Parameters.ReturnUrl] != null)
{
throw new ArgumentException("The 'urlParameters' collection must not contain a 'ReturnUrl' parameter when creating a parent permanent URL.", "urlParameters");
}
int maxLength = Configuration.WebConfiguration.Current.ExecutionEngine.MaximumUrlLength;
string currentFunctionUrl = UrlUtility.AddParameters(_httpContext.Request.Url.AbsolutePath, _queryString, _httpContext.Response.ContentEncoding);
StringCollection parentPermanentUrls = ExtractReturnUrls(currentFunctionUrl);
int count = GetMergeablePermanentUrlCount(permanentUrl, parentPermanentUrls, maxLength);
string parentPermanentUrl = FormatParentPermanentUrl(parentPermanentUrls, count);
if (!string.IsNullOrEmpty(parentPermanentUrl))
{
permanentUrl = UrlUtility.AddParameter(permanentUrl, WxeHandler.Parameters.ReturnUrl, parentPermanentUrl, _httpContext.Response.ContentEncoding);
}
}
return(permanentUrl);
}
private static string GetExternalFunctionUrl(WxeFunction function, bool createPermaUrl, NameValueCollection urlParameters)
{
string functionToken = WxeContext.Current.GetFunctionTokenForExternalFunction(function, false);
NameValueCollection internalUrlParameters;
if (urlParameters == null)
{
if (createPermaUrl)
{
internalUrlParameters = function.VariablesContainer.SerializeParametersForQueryString();
}
else
{
internalUrlParameters = new NameValueCollection();
}
}
else
{
internalUrlParameters = NameValueCollectionUtility.Clone(urlParameters);
}
internalUrlParameters.Set(WxeHandler.Parameters.WxeFunctionToken, functionToken);
return(WxeContext.GetPermanentUrl(WxeContext.Current.HttpContext, function.GetType(), internalUrlParameters));
}
