private static unsafe void TryExplicitlyCallJni()
{
Console.WriteLine("Part2: Check JNI Calls...");
var vm = JniRuntime.CurrentRuntime;
Console.WriteLine("# JniEnvironment.EnvironmentPointer={0}", JniEnvironment.EnvironmentPointer);
Console.WriteLine("vm.SafeHandle={0}", vm.InvocationPointer);
var t = new JniType("java/lang/Object");
var c = t.GetConstructor("()V");
var o = t.NewObject(c, null);
var m = t.GetInstanceMethod("hashCode", "()I");
int i = JniEnvironment.InstanceMethods.CallIntMethod(o, m);
Console.WriteLine("java.lang.Object={0}", o);
Console.WriteLine("hashcode={0}", i);
JniObjectReference.Dispose(ref o);
t.Dispose();
// var o = JniTypes.FindClass ("java/lang/Object");
/*
* var waitForCreation = new CountdownEvent (1);
* var exitThread = new CountdownEvent (1);
* var t = new Thread (() => {
* var vm2 = new JavaVMBuilder ().CreateJavaVM ();
* waitForCreation.Signal ();
* exitThread.Wait ();
* });
* t.Start ();
* waitForCreation.Wait ();
*/
}
public unsafe void Dispose_Exceptions()
{
var t = new JniType("java/lang/Object");
t.Dispose();
Assert.Throws <ObjectDisposedException> (() => t.AllocObject());
Assert.Throws <ObjectDisposedException> (() => t.NewObject(null, null));
Assert.Throws <ObjectDisposedException> (() => t.GetConstructor(null));
Assert.Throws <ObjectDisposedException> (() => t.GetInstanceField(null, null));
Assert.Throws <ObjectDisposedException> (() => t.GetInstanceMethod(null, null));
Assert.Throws <ObjectDisposedException> (() => t.GetStaticField(null, null));
Assert.Throws <ObjectDisposedException> (() => t.GetStaticMethod(null, null));
Assert.Throws <ObjectDisposedException> (() => t.GetSuperclass());
Assert.Throws <ObjectDisposedException> (() => t.IsAssignableFrom(null));
Assert.Throws <ObjectDisposedException> (() => t.IsInstanceOfType(new JniObjectReference()));
Assert.Throws <ObjectDisposedException> (() => t.RegisterWithRuntime());
Assert.Throws <ObjectDisposedException> (() => t.RegisterNativeMethods(null));
Assert.Throws <ObjectDisposedException> (() => t.UnregisterNativeMethods());
JniFieldInfo jif = null;
Assert.Throws <ObjectDisposedException> (() => t.GetCachedInstanceField(ref jif, null, null));
JniMethodInfo jim = null;
Assert.Throws <ObjectDisposedException> (() => t.GetCachedConstructor(ref jim, null));
Assert.Throws <ObjectDisposedException> (() => t.GetCachedInstanceMethod(ref jim, null, null));
JniFieldInfo jsf = null;
Assert.Throws <ObjectDisposedException> (() => t.GetCachedStaticField(ref jsf, null, null));
JniMethodInfo jsm = null;
Assert.Throws <ObjectDisposedException> (() => t.GetCachedStaticMethod(ref jsm, null, null));
}
protected override void Dispose(bool disposing)
{
if (!disposing || ReturnType == null)
{
return;
}
ReturnType.Dispose();
ReturnType = null;
}
public static unsafe void Main(string[] args)
{
Console.WriteLine("Hello World!");
try {
var ignore = JniRuntime.CurrentRuntime;
} catch (InvalidOperationException e) {
Console.WriteLine(e);
}
foreach (var h in JniRuntime.GetAvailableInvocationPointers())
{
Console.WriteLine("PRE: GetCreatedJavaVMHandles: {0}", h);
}
Console.WriteLine("Part 2!");
using (var vm = new JreRuntimeOptions().CreateJreVM()) {
Console.WriteLine("# JniEnvironment.EnvironmentPointer={0}", JniEnvironment.EnvironmentPointer);
Console.WriteLine("vm.SafeHandle={0}", vm.InvocationPointer);
var t = new JniType("java/lang/Object");
var c = t.GetConstructor("()V");
var o = t.NewObject(c, null);
var m = t.GetInstanceMethod("hashCode", "()I");
int i = JniEnvironment.InstanceMethods.CallIntMethod(o, m);
Console.WriteLine("java.lang.Object={0}", o);
Console.WriteLine("hashcode={0}", i);
JniObjectReference.Dispose(ref o);
t.Dispose();
// var o = JniTypes.FindClass ("java/lang/Object");
/*
* var waitForCreation = new CountdownEvent (1);
* var exitThread = new CountdownEvent (1);
* var t = new Thread (() => {
* var vm2 = new JavaVMBuilder ().CreateJavaVM ();
* waitForCreation.Signal ();
* exitThread.Wait ();
* });
* t.Start ();
* waitForCreation.Wait ();
*/
foreach (var h in JniRuntime.GetAvailableInvocationPointers())
{
Console.WriteLine("WITHIN: GetCreatedJavaVMs: {0}", h);
}
// exitThread.Signal ();
}
foreach (var h in JniRuntime.GetAvailableInvocationPointers())
{
Console.WriteLine("POST: GetCreatedJavaVMs: {0}", h);
}
}
