public void LoadGroupCache()
{
lock (readWriteLock)
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
string[] files = store.GetFileNames(GROUP_DIR + "\\*");
if (files == null || files.Length == 0)
{
return;
}
for (int i = 0; i < files.Length; i++)
{
string grpId = files[i].Replace("_", ":");
if (groupCache.ContainsKey(grpId)) // if this group is already loaded ignore
{
continue;
}
string fileName = GROUP_DIR + "\\" + files[i];
List <GroupParticipant> gpList = null;
using (var file = store.OpenFile(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (var reader = new BinaryReader(file))
{
int count = 0;
try
{
count = reader.ReadInt32();
}
catch { }
if (count > 0)
{
gpList = new List <GroupParticipant>(count);
for (int j = 0; j < count; j++)
{
GroupParticipant item = new GroupParticipant();
try
{
item.Read(reader);
gpList.Add(item);
}
catch
{
item = null;
}
}
}
reader.Close();
}
try
{
file.Close();
file.Dispose();
}
catch { }
}
if (gpList != null)
{
groupCache[grpId] = gpList;
}
}
}
}
}
public void LoadGroupParticipants(string grpId)
{
if (groupCache.ContainsKey(grpId))
{
return;
}
lock (readWriteLock)
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
List <GroupParticipant> gpList = null;
string grp = grpId.Replace(":", "_");
string fileName = GROUP_DIR + "\\" + grp;
if (!store.FileExists(fileName))
{
return;
}
else
{
using (var file = store.OpenFile(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (var reader = new BinaryReader(file))
{
int count = 0;
try
{
count = reader.ReadInt32();
}
catch { }
if (count > 0)
{
gpList = new List <GroupParticipant>(count);
for (int i = 0; i < count; i++)
{
GroupParticipant item = new GroupParticipant();
try
{
item.Read(reader);
gpList.Add(item);
}
catch
{
item = null;
}
}
}
reader.Close();
}
try
{
file.Close();
file.Dispose();
}
catch { }
}
if (gpList != null)
{
groupCache[grpId] = gpList;
}
}
}
}
}