public override byte[] GetData(string url)
{
// Open ZIP archive.
using (ZipFilesHelper helper = new ZipFilesHelper(StoragePath)) {
// Read a file with a specified URL from the archive.
InternalZipFile zipFile = GetZipFile(helper.ZipFiles, url);
if (zipFile != null)
{
return(GetBytes(zipFile));
}
return(new byte[] { });
}
}
List <string> GetUrlsCore(Predicate <string> method)
{
List <string> list = new List <string>();
using (ZipFilesHelper helper = new ZipFilesHelper(StoragePath)) {
foreach (InternalZipFile item in helper.ZipFiles)
{
if (method == null || method(item.FileName))
{
list.Add(item.FileName);
}
}
return(list);
}
}
void SaveArchive(string url, byte[] buffer)
{
string tempPath = Path.ChangeExtension(StoragePath, "tmp");
// Create a new ZIP archive.
using (InternalZipArchive arch = new InternalZipArchive(tempPath)) {
// Open a ZIP archive where report files are stored.
using (ZipFilesHelper helper = new ZipFilesHelper(StoragePath)) {
bool added = false;
// Copy all report files to a new archive.
// Update a file with a specified URL.
// If the file does not exist, create it.
foreach (InternalZipFile item in helper.ZipFiles)
{
if (StringsEgual(item.FileName, url))
{
arch.Add(item.FileName, DateTime.Now, buffer);
added = true;
}
else
{
arch.Add(item.FileName, DateTime.Now, GetBytes(item));
}
}
if (!added)
{
arch.Add(url, DateTime.Now, buffer);
}
}
}
// Replace the old ZIP archive with the new one.
if (File.Exists(StoragePath))
{
File.Delete(StoragePath);
}
File.Move(tempPath, StoragePath);
}
