internal JNetThrowableException(JNetRuntime runtime, jthrowable throwable)
: base(GetMessage(runtime, throwable))
{
// TODO: enrich exception information (asynchronously)
Throwable = throwable;
}
public unsafe static string ToString(this JNetRuntime runtime, jstring jstr)
{
var jchars = runtime.GetStringChars(jstr, null);
var str = ToString(jchars);
runtime.ReleaseStringChars(jstr, jchars);
return(str);
}
public unsafe static jstring NewString(this JNetRuntime runtime, string str)
{
var jchars = AllocJChars(str);
var result = runtime.NewString(jchars, str.Length);
Release(jchars);
return(result);
}
private static string GetMessage(JNetRuntime runtime, jthrowable throwable)
{
// TODO: Can we get 'throwable' message asynchronously (using another runtime instance)?
var clz_Throwable = runtime.GetObjectClass(throwable);
var mid_GetMessage = runtime.GetMethodID(clz_Throwable, "getMessage", "()Ljava/lang/String;");
var jmessage = (jstring)runtime.CallObjectMethod(throwable, mid_GetMessage);
return(runtime.ToString(jmessage));
}
public static void ThrowExceptionOccurred(this JNetRuntime runtime)
{
if (runtime.ExceptionCheck())
{
var ex = runtime.ExceptionOccurred();
if (ex.HasValue)
{
runtime.ExceptionClear();
throw new JNetThrowableException(runtime, ex);
}
throw new InvalidOperationException();
}
}
private static JNetVirtualMachine Boot(IJNetBootstrap bootstrap, JavaVM *vm, JNIEnv *env)
{
var instance = new JNetVirtualMachine(vm);
if (bootstrap is not null)
{
var runtime = new JNetRuntime(env);
try
{
bootstrap.Startup(instance, runtime);
}
catch
{
instance.Destroy();
throw;
}
}
return(instance);
}
