/// <summary>
/// Call the Freedb server using the specified command and the current site
/// If the current site is null use the default server
/// </summary>
/// <param name="command">The command to be exectued</param>
/// <returns>StringCollection</returns>
private StringCollection Call(string command)
{
if (m_CurrentSite != null)
{
return(Call(command, m_CurrentSite.GetUrl()));
}
else
{
return(Call(command, m_mainSite.GetUrl()));
}
}
/// <summary>
/// Get the Freedb sites
/// </summary>
/// <param name="protocol"></param>
/// <param name="sites">SiteCollection that is populated with the site information</param>
/// <returns>Response Code</returns>
///
public string GetSites(string protocol, out SiteCollection sites)
{
if (protocol != Site.PROTOCOLS.CDDBP && protocol != Site.PROTOCOLS.HTTP)
{
protocol = Site.PROTOCOLS.ALL;
}
StringCollection coll;
try
{
coll = Call(Commands.CMD_SITES, m_mainSite.GetUrl());
}
catch (Exception ex)
{
Debug.WriteLine("Error retrieving Sites." + ex.Message);
Exception newEx = new Exception("FreedbHelper.GetSites: Error retrieving Sites.", ex);
throw newEx;
}
sites = null;
// check if results came back
if (coll.Count < 0)
{
string msg = "No results returned from sites request.";
Exception ex = new Exception(msg, null);
throw ex;
}
string code = GetCode(coll[0]);
if (code == ResponseCodes.CODE_INVALID)
{
string msg = "Unable to process results Sites Request. Returned Data: " + coll[0];
Exception ex = new Exception(msg, null);
throw ex;
}
switch (code)
{
case ResponseCodes.CODE_500:
return(ResponseCodes.CODE_500);
case ResponseCodes.CODE_401:
return(ResponseCodes.CODE_401);
case ResponseCodes.CODE_210:
{
coll.RemoveAt(0);
sites = new SiteCollection();
foreach (String line in coll)
{
Debug.WriteLine("line: " + line);
Site site = new Site(line);
if (protocol == Site.PROTOCOLS.ALL)
{
sites.Add(new Site(line));
}
else if (site.Protocol == protocol)
{
sites.Add(new Site(line));
}
}
return(ResponseCodes.CODE_210);
}
default:
return(ResponseCodes.CODE_500);
}
}