public override XmlReader Load(int moduleId, int portalId, Hashtable settings)
{
var xmlsrc = settings[Setting.SourceUrl].DefaultIfNullOrEmpty();
XmlReader responseReader = null;
if (!string.IsNullOrEmpty(xmlsrc))
{
try
{
switch (Globals.GetURLType(xmlsrc))
{
case TabType.Url:
{
var paramList = new ParameterController(_providerName).GetParameters(moduleId);
paramList.Encoding = GetQueryStringEncoding(settings[Setting.UrlEncoding].DefaultIfNullOrEmpty());
xmlsrc = new TokenReplace().ReplaceEnvironmentTokens(xmlsrc);
if (paramList.IsValid())
{
xmlsrc += (xmlsrc.IndexOf("?") == -1 ? "?" : "&") + paramList;
var useCache = bool.Parse(settings[Setting.EnableCache].DefaultIfNullOrEmpty(bool.FalseString));
var credential = new Credential(settings[Setting.SourceAccount].DefaultIfNullOrEmpty(), settings[Setting.SourcePassWord].DefaultIfNullOrEmpty());
responseReader = GetXmlContent(xmlsrc,credential , useCache);
}
else
{
responseReader = NoDataReader("Parameter");
}
}
break;
default:
responseReader = NoDataReader("Unsupported Url");
break;
}
}
catch (SecurityException)
{
throw;
}
catch (Exception ex)
{
Exceptions.LogException(ex);
responseReader = NoDataReader("Exception");
}
}
return responseReader;
}
private static WebResponse GetDocumentResponse(string url, Credential credential)
{
var req =credential==null ? Globals.GetExternalRequest(url) : Globals.GetExternalRequest(url,credential.NetworkCredential );
return req.GetResponse();
}
private static string GetCacheKey(string contentUrl,Credential credential)
{
return string.Format("{0}_{1}", contentUrl, Utils.GetSha256HashCode( credential ));
}
/// <summary>
/// GetXMLContent loads the xml content from a web resource into an XmlReader.
/// </summary>
/// <param name = "contentUrl"></param>
/// <param name = "credential"></param>
/// <param name="useCache"></param>
/// <returns>A Xml Reader</returns>
private static XmlReader GetXmlContent(string contentUrl, Credential credential , bool useCache)
{
var cacheKey = GetCacheKey(contentUrl, credential);
var args = new CacheItemArgs(cacheKey, 0,CacheItemPriority.Normal, contentUrl, credential );
var doc = useCache ? CBO.GetCachedObject<XmlDocument>(args, GetDocument) : GetDocument(args);
return new XmlNodeReader(doc);
}
public static string GetSha256HashCode(Credential credential)
{
var input = credential.UserName+ credential.Password;
return GetSha256HashCode( ref input);
}
public static string GetSha256HashCode(Credential credential)
{
var input = credential.UserName + credential.Password;
return(GetSha256HashCode(ref input));
}
