private DexLookup GetOrCreateDex(ClassSource source, bool waitForResult)
{
string hash = GetHash(source);
var jarFileName = GetJarFileName(source, hash);
Task<DexLookup> dex;
lock (_dexes)
{
if (_dexes.TryGetValue(jarFileName, out dex))
{
if (!waitForResult)
return null;
return dex.Result;
}
dex = new Task<DexLookup>(()=>
{
var dexFileName = GetOrCreateDexFilename(source, hash);
return new DexLookup(DexLib.Dex.Read(dexFileName));
}, TaskCreationOptions.LongRunning);
_dexes[jarFileName] = dex;
}
dex.Start();
if (waitForResult)
return dex.Result;
return null;
}
private string GetOrCreateDexFilename(ClassSource source, string hash)
{
string jarFileName = GetJarFileName(source, hash);
if (!source.IsDiskFile && !File.Exists(jarFileName))
{
Directory.CreateDirectory(_temporaryDirectory);
File.WriteAllBytes(jarFileName, source.JarData);
}
string baseName = Path.GetFileNameWithoutExtension(jarFileName);
if (!baseName.Contains(hash)) baseName += "." + hash;
var dexFileName = Path.Combine(_temporaryDirectory, baseName + ".dex");
if (!File.Exists(dexFileName))
{
Directory.CreateDirectory(_temporaryDirectory);
DxInvoker.CompileToDex(jarFileName, dexFileName, _generateDebugSymbols);
}
return dexFileName;
}
private string GetJarFileName(ClassSource source, string hash)
{
if (source.IsDiskFile)
{
return source.FileName;
}
string baseName = Path.GetFileName(source.FileName);
return Path.Combine(_temporaryDirectory, baseName + "-" + hash + ".jar");
}
public void PreloadJar(ClassSource source)
{
GetOrCreateDex(source, waitForResult: false);
}
private string GetHash(ClassSource source)
{
if (source.JarStreamHash != null)
return source.JarStreamHash;
if (source.JarData != null)
return JarReferenceHash.ComputeJarReferenceHash(source.JarData);
return JarReferenceHash.ComputeJarReferenceHash(source.FileName);
}
