/// <summary>
/// Cleans up the SLDR. This should be called to properly clean up SLDR resources.
/// </summary>
public static void Cleanup()
{
CheckInitialized();
_sldrCacheMutex.Dispose();
_sldrCacheMutex = null;
_languageTags = null;
}
/// <summary>
/// Cleans up the SLDR. This should be called to properly clean up SLDR resources.
/// </summary>
public static void Cleanup()
{
CheckInitialized();
_sldrCacheMutex.Dispose();
_sldrCacheMutex = null;
_languageTags = null;
IcuRulesCollator.DisposeCollators();
}
/// <summary>
/// Gets the language tags of the available LDML files in the SLDR.
/// </summary>
private static void LoadLanguageTagsIfNecessary()
{
if (_languageTags != null)
{
return;
}
string allTagsContent;
using (_sldrCacheMutex.Lock())
{
CreateSldrCacheDirectory();
string cachedAllTagsPath = Path.Combine(SldrCachePath, "alltags.txt");
DateTime latestCommitTime = DateTime.MinValue;
DateTime sinceTime = _embeddedAllTagsTime;
if (File.Exists(cachedAllTagsPath))
{
DateTime fileTime = File.GetLastWriteTime(cachedAllTagsPath);
if (sinceTime > fileTime)
{
// delete the old alltags.txt file if a newer embedded one is available.
// this can happen if the application is upgraded to use a newer version of SIL.WritingySystems
// that has an updated embedded alltags.txt file.
File.Delete(cachedAllTagsPath);
}
else
{
sinceTime = fileTime;
}
}
sinceTime += TimeSpan.FromSeconds(1);
try
{
if (_offlineMode)
{
throw new WebException("Test mode: SLDR offline so accessing cache", WebExceptionStatus.ConnectFailure);
}
// query the SLDR Git repo to see if there is an updated version of alltags.txt
string commitUrl = string.Format("{0}commits?path=extras/alltags.txt&since={1:O}",
SldrGitHubRepo, sinceTime);
var webRequest = (HttpWebRequest)WebRequest.Create(Uri.EscapeUriString(commitUrl));
webRequest.UserAgent = UserAgent;
webRequest.Timeout = 10000;
using (var webResponse = (HttpWebResponse)webRequest.GetResponse())
{
Stream stream = webResponse.GetResponseStream();
if (stream != null)
{
using (StreamReader responseReader = new StreamReader(stream))
{
// get the timestamp of the most recent commit
JArray commits = JArray.Load(new JsonTextReader(responseReader));
foreach (JObject commit in commits.Children <JObject>())
{
var time = commit["commit"]["author"]["date"].ToObject <DateTime>();
if (time > latestCommitTime)
{
latestCommitTime = time;
}
}
}
}
}
if (latestCommitTime > DateTime.MinValue)
{
// there is an updated version of the alltags.txt file in the SLDR Git repo, so get it
string contentsUrl = string.Format("{0}contents/extras/alltags.txt", SldrGitHubRepo);
webRequest = (HttpWebRequest)WebRequest.Create(Uri.EscapeUriString(contentsUrl));
webRequest.UserAgent = UserAgent;
webRequest.Timeout = 10000;
using (var webResponse = (HttpWebResponse)webRequest.GetResponse())
{
Stream stream = webResponse.GetResponseStream();
if (stream != null)
{
using (StreamReader responseReader = new StreamReader(stream))
{
JObject blob = JObject.Load(new JsonTextReader(responseReader));
File.WriteAllBytes(cachedAllTagsPath, Convert.FromBase64String((string)blob["content"]));
File.SetLastWriteTime(cachedAllTagsPath, latestCommitTime);
}
}
}
}
}
catch (WebException)
{
}
allTagsContent = File.Exists(cachedAllTagsPath) ? File.ReadAllText(cachedAllTagsPath) : LanguageRegistryResources.alltags;
}
_languageTags = new ReadOnlyKeyedCollection <string, SldrLanguageTagInfo>(ParseAllTags(allTagsContent));
}
/// <summary>
/// Gets the language tags of the available LDML files in the SLDR.
/// </summary>
private static void LoadLanguageTagsIfNecessary()
{
if (_languageTags != null)
{
return;
}
string allTagsContent;
using (_sldrCacheMutex.Lock())
{
CreateSldrCacheDirectory();
// TODO refactor this to get alltags.json once it has a defined location
// for now only use the included version in the resource
string cachedAllTagsPath = Path.Combine(SldrCachePath, "alltags.json");
DateTime sinceTime = _embeddedAllTagsTime.ToUniversalTime();
if (File.Exists(cachedAllTagsPath))
{
DateTime fileTime = File.GetLastWriteTimeUtc(cachedAllTagsPath);
if (sinceTime > fileTime)
{
// delete the old alltags.json file if a newer embedded one is available.
// this can happen if the application is upgraded to use a newer version of SIL.WritingSystems
// that has an updated embedded alltags.json file.
File.Delete(cachedAllTagsPath);
}
else
{
sinceTime = fileTime;
}
}
sinceTime += TimeSpan.FromSeconds(1);
try
{
if (_offlineMode)
{
throw new WebException("Test mode: SLDR offline so accessing cache", WebExceptionStatus.ConnectFailure);
}
// get SLDR alltags.json from the SLDR api compressed
// it will throw WebException or have status HttpStatusCode.NotModified if file is unchanged or not get it
string alltagsUrl = string.Format("{0}index.html?query=alltags&ext=json", SldrRepository);
var webRequest = (HttpWebRequest)WebRequest.Create(Uri.EscapeUriString(alltagsUrl));
webRequest.UserAgent = UserAgent;
webRequest.IfModifiedSince = sinceTime;
webRequest.Timeout = 10000;
webRequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
using (var webResponse = (HttpWebResponse)webRequest.GetResponse())
{
if (webResponse.StatusCode != HttpStatusCode.NotModified)
{
using (Stream output = File.OpenWrite(cachedAllTagsPath))
{
using (Stream input = webResponse.GetResponseStream())
{
input.CopyTo(output);
}
}
}
}
}
catch (WebException)
{
}
allTagsContent = File.Exists(cachedAllTagsPath) ? File.ReadAllText(cachedAllTagsPath) : LanguageRegistryResources.alltags;
}
_languageTags = new ReadOnlyKeyedCollection <string, SldrLanguageTagInfo>(ParseAllTagsJson(allTagsContent));
}
/// <summary>
/// Gets the language tags of the available LDML files in the SLDR.
/// </summary>
private static void LoadLanguageTagsIfNecessary()
{
if (_languageTags != null)
return;
string allTagsContent;
using (_sldrCacheMutex.Lock())
{
CreateSldrCacheDirectory();
string cachedAllTagsPath = Path.Combine(SldrCachePath, "alltags.txt");
DateTime latestCommitTime = DateTime.MinValue;
DateTime sinceTime = _embeddedAllTagsTime;
if (File.Exists(cachedAllTagsPath))
{
DateTime fileTime = File.GetLastWriteTime(cachedAllTagsPath);
if (sinceTime > fileTime)
// delete the old alltags.txt file if a newer embedded one is available.
// this can happen if the application is upgraded to use a newer version of SIL.WritingySystems
// that has an updated embedded alltags.txt file.
File.Delete(cachedAllTagsPath);
else
sinceTime = fileTime;
}
sinceTime += TimeSpan.FromSeconds(1);
try
{
if (_offlineMode)
throw new WebException("Test mode: SLDR offline so accessing cache", WebExceptionStatus.ConnectFailure);
// query the SLDR Git repo to see if there is an updated version of alltags.txt
string commitUrl = string.Format("{0}commits?path=extras/alltags.txt&since={1:O}",
SldrGitHubRepo, sinceTime);
var webRequest = (HttpWebRequest) WebRequest.Create(Uri.EscapeUriString(commitUrl));
webRequest.UserAgent = UserAgent;
webRequest.Timeout = 10000;
using (var webResponse = (HttpWebResponse) webRequest.GetResponse())
{
Stream stream = webResponse.GetResponseStream();
if (stream != null)
{
using (StreamReader responseReader = new StreamReader(stream))
{
// get the timestamp of the most recent commit
JArray commits = JArray.Load(new JsonTextReader(responseReader));
foreach (JObject commit in commits.Children<JObject>())
{
var time = commit["commit"]["author"]["date"].ToObject<DateTime>();
if (time > latestCommitTime)
latestCommitTime = time;
}
}
}
}
if (latestCommitTime > DateTime.MinValue)
{
// there is an updated version of the alltags.txt file in the SLDR Git repo, so get it
string contentsUrl = string.Format("{0}contents/extras/alltags.txt", SldrGitHubRepo);
webRequest = (HttpWebRequest) WebRequest.Create(Uri.EscapeUriString(contentsUrl));
webRequest.UserAgent = UserAgent;
webRequest.Timeout = 10000;
using (var webResponse = (HttpWebResponse) webRequest.GetResponse())
{
Stream stream = webResponse.GetResponseStream();
if (stream != null)
{
using (StreamReader responseReader = new StreamReader(stream))
{
JObject blob = JObject.Load(new JsonTextReader(responseReader));
File.WriteAllBytes(cachedAllTagsPath, Convert.FromBase64String((string) blob["content"]));
File.SetLastWriteTime(cachedAllTagsPath, latestCommitTime);
}
}
}
}
}
catch (WebException)
{
}
allTagsContent = File.Exists(cachedAllTagsPath) ? File.ReadAllText(cachedAllTagsPath) : LanguageRegistryResources.alltags;
}
_languageTags = new ReadOnlyKeyedCollection<string, SldrLanguageTagInfo>(ParseAllTags(allTagsContent));
}
/// <summary>
/// Cleans up the SLDR. This should be called to properly clean up SLDR resources.
/// </summary>
public static void Cleanup()
{
CheckInitialized();
_sldrCacheMutex.Dispose();
_sldrCacheMutex = null;
_languageTags = null;
}
public static void ResetLanguageTags()
{
lock (SyncRoot)
_languageTags = null;
}
