/// <summary>
/// Loads table of contents from server and populates the list box.
/// PS: Not running in UI thread (Invoke when updating UI)
/// </summary>
private void RefreshCapabilitiesFromUrl()
{
try
{
// Read capabilities from server
updateStatusBar("Downloading updated table of contents...");
string wmsQueryString = AnimatedEarthManager.ServerUrl + "?service=" + this.serviceName + "&version=" + WmsVersion + "&request=GetCapabilities";
using( WebDownload download = new WebDownload(wmsQueryString) )
{
download.ProgressCallback += new DownloadProgressHandler( this.updateCurrentProgressBar );
download.DownloadMemory();
try
{
// Save the downloaded capabilities for future (off-line) use
download.SaveMemoryDownloadToFile(CapabilitiesFilePath);
}
catch(Exception)
{
//For read-only cache support etc.
// UnauthorizedException, IOException etc.
}
RefreshCapabilities( download.ContentStream );
}
isRefreshed = true;
}
catch
{
updateStatusBar("Connection Error. Please try again later.");
}
this.updateCurrentProgressBar(0,0);
}
/// <summary>
/// Returns an array of satellite Tles from the input URL
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public ArrayList GetFromWeb(string url )
{
string line1=null,line2=null;
bool useLocalFile = false;
ArrayList satTles = new ArrayList();
string saveto =Path.Combine( this.Plugin.PluginDirectory,this.Name +".txt");
//Get the TLE data
using( WebDownload dl = new WebDownload(url) )
{
try
{
dl.DownloadMemory();
dl.SaveMemoryDownloadToFile(saveto);
}
catch(System.Net.WebException)
{
useLocalFile = true;
}
if(useLocalFile)
using(TextReader tr = new StreamReader( saveto ))
{
string[] line = tr.ReadToEnd().Split('\n');
string NumFormat = GetNumberFormat(line);
for(int i=0;i<line.Length-1-2;i = i + 3)
{
if(line[i].Trim().Length == 0)
break;
line1 = line[i+1].Trim();
line2 = line[i+2].Trim();
Tle tle = new Tle(FormatTrailingNumber(line[i].Trim(), NumFormat), line1, line2);
satTles.Add(tle);
}
}
else
using(TextReader tr = new StreamReader( dl.ContentStream ))
{
string[] line = tr.ReadToEnd().Split('\n');
string NumFormat = GetNumberFormat(line);
for(int i=0;i<line.Length-1-2;i = i + 3)
{
if(line[i].Trim().Length == 0)
break;
line1 = line[i+1].Trim();
line2 = line[i+2].Trim();
Tle tle = new Tle(FormatTrailingNumber(line[i].Trim(), NumFormat), line1, line2);
satTles.Add(tle);
}
}
}
return satTles;
}
private void UpdateDownloadComplete(WebDownload downloadInfo)
{
// First compare the file to the one we have
bool bUpdate = false;
string strVersion;
string strTemp = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
try
{
string[] tokens;
int iHaveVer1, iHaveVer2, iHaveVer3;
int iCurVer1, iCurVer2, iCurVer3;
downloadInfo.Verify();
downloadInfo.SaveMemoryDownloadToFile(strTemp);
using (StreamReader sr = new StreamReader(Path.Combine(DirectoryPath, VersionFile)))
{
strVersion = sr.ReadLine();
tokens = strVersion.Split('.');
iHaveVer1 = Convert.ToInt32(tokens[0], CultureInfo.InvariantCulture);
iHaveVer2 = Convert.ToInt32(tokens[1], CultureInfo.InvariantCulture);
iHaveVer3 = Convert.ToInt32(tokens[2], CultureInfo.InvariantCulture);
}
using (StreamReader sr = new StreamReader(strTemp))
{
strVersion = sr.ReadLine();
tokens = strVersion.Split('.');
iCurVer1 = Convert.ToInt32(tokens[0], CultureInfo.InvariantCulture);
iCurVer2 = Convert.ToInt32(tokens[1], CultureInfo.InvariantCulture);
iCurVer3 = Convert.ToInt32(tokens[2], CultureInfo.InvariantCulture);
}
if (iCurVer1 > iHaveVer1 || (iCurVer1 == iHaveVer1 && iCurVer2 > iHaveVer2) ||
(iCurVer1 == iHaveVer1 && iCurVer2 == iHaveVer2 && iCurVer3 > iHaveVer3))
{
this.BeginInvoke(new NotifyUpdateDelegate(NotifyUpdate), new object[] { strVersion });
bUpdate = true;
}
File.Delete(strTemp);
}
catch (System.Net.WebException)
{
}
catch
{
}
finally
{
if (!bUpdate && m_bUpdateFromMenu)
this.BeginInvoke(new MethodInvoker(NotifyUpdateNotAvailable));
}
}
