bool ISubjectPersistance.SaveSubject(string provider, StoredSubject subject)
{
Guard.ArgumentNull(subject, nameof(subject));
var file = Initiaize(IsolatedStorageFile.GetStore(Scope, null));
var root = Path.Combine(ROOT_DIRECTORY, provider);
var path = Path.Combine(root, subject.Name);
InitializeSubDirectory(file, path);
var filePath = Path.Combine(path, string.Concat(subject.Key, ".dat"));
try
{
using var stream = new IsolatedStorageFileStream(filePath, FileMode.Create, file);
var serializer = new BinaryCompressSerializer();
var bytes = serializer.Serialize(subject);
stream.Write(bytes, 0, bytes.Length);
return(true);
}
catch
{
return(false);
}
}
void ISubjectPersistance.ReadSubjects(string provider, Func <StoredSubject, bool> readAndAccept)
{
Guard.ArgumentNull(readAndAccept, nameof(readAndAccept));
var root = Path.Combine(ROOT_DIRECTORY, provider);
var file = IsolatedStorageFile.GetStore(Scope, null);
if (!file.DirectoryExists(root))
{
return;
}
foreach (var dirName in file.GetDirectoryNames(Path.Combine(root, "*")))
{
var subPath = Path.Combine(root, dirName);
var deleted = new List <string>();
foreach (var fileName in file.GetFileNames(Path.Combine(subPath, "*")))
{
var filePath = Path.Combine(subPath, fileName);
var key = fileName.Substring(0, fileName.LastIndexOf("."));
try
{
using var stream = new IsolatedStorageFileStream(filePath, FileMode.Open, FileAccess.ReadWrite, file);
using var memory = stream.CopyToMemory();
var serializer = new BinaryCompressSerializer();
var subject = serializer.Deserialize <StoredSubject>(memory.ToArray());
if (subject.ExpiresAt < DateTime.Now)
{
deleted.Add(filePath);
continue;
}
subject.PublishRetries++;
if (readAndAccept(subject))
{
deleted.Add(filePath);
}
else
{
var bytes = serializer.Serialize(subject);
stream.Seek(0, SeekOrigin.Begin);
stream.Write(bytes, 0, bytes.Length);
}
}
catch
{
}
}
foreach (var fileName in deleted)
{
file.DeleteFile(fileName);
}
}
}
public void SerializeTest()
{
var serializer = new BinaryCompressSerializer();
var obj = new BinaryCryptoData
{
Age = 12,
Name = "huangxd",
Birthday = DateTime.Parse("1982-9-20")
};
var bytes = serializer.Serialize(obj);
Assert.IsNotNull(bytes);
}
public void ReadTest()
{
var regKey = Registry.CurrentUser.OpenSubKey("software\\fireasy", true);
if (regKey == null)
{
regKey = Registry.CurrentUser.CreateSubKey("software\\fireasy");
}
var stream = new BinaryCompressSerializer();
var data = new BinaryConnectionStore {
ConnectionString = "test", ProviderType = "mysql"
};
regKey.SetValue("test1", stream.Serialize(data));
regKey.Close();
var section = ConfigurationUnity.GetSection <InstanceConfigurationSection>();
Assert.AreEqual("test", section.Settings["reg1"].ConnectionString);
}
/// <summary>
/// json序列化后进行压缩。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <returns></returns>
public virtual byte[] Serialize <T>(T value)
{
var compress = new BinaryCompressSerializer();
return(compress.Serialize(serializer.Serialize(value)));
}
