public ArrayList AddGroup(
string strGroup,
int iCount,
bool fRepeat,
string strSort,
bool fDesc,
bool fRecurse,
string strRoot,
string strPre,
string strPost,
int iDepth,
int iCurrentDepth
)
{
ArrayList objDavData;
// Read the group information
objDavData = DavUtil.DAVGetData(m_objWebUtil, strGroup);
int fileCount = 0;
int directoryCount = 0;
for (int i = 0; i < objDavData.Count; i++)
{
DavItem objDavItem = (DavItem)objDavData[i];
if (objDavItem.fIsCollection)
{
directoryCount++;
}
if (objDavItem.strContentType == "image/jpeg")
{
fileCount++;
}
}
// Get a working list for the result
ArrayList objWorkingList = new ArrayList();
// Process the files in this directory if there are no subdirectorys, or
// the root files are request
if (fileCount > 0 && (strRoot == "heavy" || strRoot == "even" || directoryCount == 0))
{
for (int i = 0; i < objDavData.Count; i++)
{
DavItem objDavItem = (DavItem)objDavData[i];
if (objDavItem.strContentType == "image/jpeg")
{
ImageFile objImageFile = new ImageFile();
objImageFile.strName = objDavItem.strName;
objImageFile.strPre = strPre;
objImageFile.strPost = strPost;
objImageFile.lSize = objDavItem.iContentLength;
objImageFile.dtCreated = objDavItem.dtCreated;
objImageFile.dtModified = objDavItem.dtModified;
objWorkingList.Add(objImageFile);
}
}
// Evenly weighted files in a directory are filtered down to the same level
// as those in subdirectories before being included
if (strRoot == "even")
{
SortImageList(objWorkingList, strSort);
objWorkingList = SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc);
}
}
// Get all the subdirectories that match the mask
if (fRecurse && directoryCount > 0)
{
for (int i = 0; i < objDavData.Count; i++)
{
DavItem objDavItem = (DavItem)objDavData[i];
if (objDavItem.fIsCollection)
{
ArrayList objGroupFiles = AddGroup(objDavItem.strName, iCount, fRepeat, strSort, fDesc, fRecurse, strRoot, strPre, strPost, iDepth, iCurrentDepth + 1);
for (int j = 0; j < objGroupFiles.Count; j++)
{
objWorkingList.Add(objGroupFiles[j]);
}
}
}
}
// Normalize and sort only those that are deeper than the requested depth
if (iCurrentDepth >= iDepth)
{
SortImageList(objWorkingList, strSort);
return(SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc));
}
else
{
return(objWorkingList);
}
}
public static ArrayList DAVGetData(WebUtil objWebUtil, string strRoot)
{
ArrayList objResult = new ArrayList();
if (strRoot == "" || strRoot == null)
{
strRoot = "http://groups.msn.com";
}
// Build the query.
string folderQuery = null;
folderQuery += "<?xml version='1.0' encoding='UTF-8' ?>";
folderQuery += "<a:propfind xmlns:a='DAV:' xmlns:b='urn:schemas-microsoft-com:datatypes'>";
folderQuery += "<a:prop>";
folderQuery += "<a:name/>";
folderQuery += "<a:parentname/>";
folderQuery += "<a:href/>";
folderQuery += "<a:ishidden/>";
folderQuery += "<a:isreadonly/>";
folderQuery += "<a:getcontenttype/>";
folderQuery += "<a:contentclass/>";
folderQuery += "<a:getcontentlanguage/>";
folderQuery += "<a:creationdate/>";
folderQuery += "<a:lastaccessed/>";
folderQuery += "<a:getlastmodified/>";
folderQuery += "<a:getcontentlength/>";
folderQuery += "<a:iscollection/>";
folderQuery += "<a:isstructureddocument/>";
folderQuery += "<a:defaultdocument/>";
folderQuery += "<a:displayname/>";
folderQuery += "<a:isroot/>";
folderQuery += "<a:resourcetype/>";
folderQuery += "</a:prop>";
folderQuery += "</a:propfind>";
// Declare locals.
HttpWebRequest request = null;
HttpWebResponse response = null;
// We need to try a few times to hit the server
// Get the response
int iTryCount = 2;
while (iTryCount > 0 && response == null)
{
try
{
// Setup the request
request = (HttpWebRequest)WebRequest.Create(strRoot);
request.Method = "PROPFIND";
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(objWebUtil.cookies);
request.AllowAutoRedirect = false;
request.UserAgent = "Microsoft Data Access Internet Publishing Provider DAV";
request.Headers.Add("PROPFIND", folderQuery);
request.Headers.Add("Depth", "1");
request.Headers.Add("Translate", "f");
// Get the response
response = (HttpWebResponse)request.GetResponse();
}
catch (WebException e)
{
if (iTryCount == 1)
{
throw e;
}
}
iTryCount--;
}
string strResult = new StreamReader(response.GetResponseStream()).ReadToEnd();
//Console.WriteLine(strResult);
// Store the response cookies
objWebUtil.cookies.Add(response.Cookies);
// Get the xml dom from the string
XmlDocument xmldoc = new XmlDocument();
// For some reason, I can't get multiple namespaces to work in this parser.
// I'm going to cheat and simply eliminate them from the xml before I parse.
// Ugly, but works.
strResult = strResult.Replace("a:", "");
strResult = strResult.Replace("b:", "");
//Console.WriteLine(strResult);
xmldoc.LoadXml(strResult);
XmlNodeList nlist = xmldoc.SelectNodes("//response");
for (int i = 0; i < nlist.Count; i++)
{
XmlNode n = nlist[i];
string strName = HttpUtility.UrlDecode(n.SelectSingleNode("href").InnerText);
if (strName.ToLower() != strRoot.ToLower())
{
DavItem objDavItem = new DavItem();
objDavItem.strName = strName;
objDavItem.strDisplayName = n.SelectSingleNode("propstat/prop/displayname").InnerText;
objDavItem.fIsCollection = (n.SelectSingleNode("propstat/prop/iscollection").InnerText == "1");
objDavItem.fIsHidden = (n.SelectSingleNode("propstat/prop/ishidden").InnerText == "1");
objDavItem.iContentLength = Convert.ToInt32(n.SelectSingleNode("propstat/prop/getcontentlength").InnerText);
objDavItem.strContentType = n.SelectSingleNode("propstat/prop/getcontenttype").InnerText;
objDavItem.dtCreated = Convert.ToDateTime(n.SelectSingleNode("propstat/prop/creationdate").InnerText);
objDavItem.dtModified = Convert.ToDateTime(n.SelectSingleNode("propstat/prop/getlastmodified").InnerText);
objResult.Add(objDavItem);
}
}
return(objResult);
}
