internal JNIEnv(IntPtr native)
{
this.envPtr = native;
functions = *(*(JavaPtr *)native.ToPointer()).functions;
InitMethods();
if (defaultVM == null)
{
defaultVM = GetJavaVM();
}
}
internal JNIEnv(IntPtr native)
{
this.envPtr = native;
functions = *(*(JavaPtr*) native.ToPointer()).functions;
InitMethods();
if (defaultVM == null)
{
defaultVM = GetJavaVM();
}
}
public static void CreateJavaVM(out JavaVM jvm, out JNIEnv env, bool attachIfExists, params string[] options)
{
Init();
IntPtr njvm;
IntPtr nenv;
var args = new JavaVMInitArgs();
args.version = JNI_VERSION_1_4;
if (options.Length > 0)
{
args.nOptions = options.Length;
var opt = new JavaVMOption[options.Length];
for (int i = 0; i < options.Length; i++)
{
opt[i].optionString = Marshal.StringToHGlobalAnsi(options[i]);
}
fixed(JavaVMOption *a = &opt[0])
{
args.options = a;
}
}
JNIResult result;
if (attachIfExists)
{
IntPtr njvma;
int count;
result = Dll.JNI_GetCreatedJavaVMs(out njvma, 1, out count);
if (result != JNIResult.JNI_OK)
{
throw new JNIException("Can't enumerate current JVMs " + result);
}
if (count > 0)
{
njvm = njvma;
jvm = new JavaVM(njvm);
result = jvm.AttachCurrentThread(out env, args);
if (result != JNIResult.JNI_OK)
{
throw new JNIException("Can't join current JVM " + result);
}
return;
}
}
result = Dll.JNI_CreateJavaVM(out njvm, out nenv, &args);
if (result != JNIResult.JNI_OK)
{
Console.Error.WriteLine("Can't load JVM (already have one ?)");
throw new JNIException("Can't load JVM (already have one ?) " + result);
}
jvm = new JavaVM(njvm);
env = new JNIEnv(nenv);
}
public static JNIEnv GetEnvNoThrow(JavaVM vm)
{
if (threadJNIEnv == null)
{
JNIResult result = vm.AttachCurrentThreadAsDaemon(out threadJNIEnv, null);
if (result != JNIResult.JNI_OK)
{
return(null);
}
}
return(threadJNIEnv);
}
public static JNIEnv GetEnvForVm(JavaVM vm)
{
if (threadJNIEnv == null)
{
JNIResult result = vm.AttachCurrentThreadAsDaemon(out threadJNIEnv, null);
if (result != JNIResult.JNI_OK)
{
throw new JNIException("AttachCurrentThreadAsDaemon failed: " + result);
}
}
return(threadJNIEnv);
}
public static JNIEnv GetEnvForVm(JavaVM vm)
{
if (threadJNIEnv == null)
{
JNIResult result = vm.AttachCurrentThreadAsDaemon(out threadJNIEnv, null);
if (result != JNIResult.JNI_OK)
{
throw new JNIException("AttachCurrentThreadAsDaemon failed: " + result);
}
}
return threadJNIEnv;
}
public static void CreateJavaVM(out JavaVM jvm, out JNIEnv env, bool attachIfExists, params string[] options)
{
Init();
IntPtr njvm;
IntPtr nenv;
var args = new JavaVMInitArgs();
args.version = JNI_VERSION_1_4;
if (options.Length > 0)
{
args.nOptions = options.Length;
var opt = new JavaVMOption[options.Length];
for (int i = 0; i < options.Length; i++)
{
opt[i].optionString = Marshal.StringToHGlobalAnsi(options[i]);
}
fixed (JavaVMOption* a = &opt[0])
{
args.options = a;
}
}
JNIResult result;
if (attachIfExists)
{
IntPtr njvma;
int count;
result = Dll.JNI_GetCreatedJavaVMs(out njvma, 1, out count);
if (result != JNIResult.JNI_OK)
{
throw new JNIException("Can't enumerate current JVMs " + result);
}
if (count > 0)
{
njvm = njvma;
jvm = new JavaVM(njvm);
result = jvm.AttachCurrentThread(out env, args);
if (result != JNIResult.JNI_OK)
{
throw new JNIException("Can't join current JVM " + result);
}
return;
}
}
result = Dll.JNI_CreateJavaVM(out njvm, out nenv, &args);
if (result != JNIResult.JNI_OK)
{
Console.Error.WriteLine("Can't load JVM (already have one ?)");
throw new JNIException("Can't load JVM (already have one ?) " + result);
}
jvm = new JavaVM(njvm);
env = new JNIEnv(nenv);
}
public JavaVM GetJavaVM()
{
if (javaVM == null)
{
// no need to lock, it will be always on current thread
//lock (this)
{
IntPtr jvm;
getJavaVM.Invoke(envPtr, out jvm);
ExceptionTest();
javaVM = new JavaVM(jvm);
}
}
return(javaVM);
}
public static JNIEnv GetEnvNoThrow(JavaVM vm)
{
if (threadJNIEnv == null)
{
JNIResult result = vm.AttachCurrentThreadAsDaemon(out threadJNIEnv, null);
if (result != JNIResult.JNI_OK)
{
return null;
}
}
return threadJNIEnv;
}
public static void CreateJavaVM(out JavaVM jvm, out JNIEnv env, params string[] options)
{
CreateJavaVM(out jvm, out env, false, options);
}
public static void SetJVM(JavaVM jvm)
{
jvmLoaded = true;
clrLoaded = true;
setup = new BridgeSetup();
}
public JniGlobalHandle(JniGlobalHandleNs handleValue, JavaVM javaVM)
: base(IntPtr.Zero, true)
{
this.javaVM = javaVM;
SetHandle(handleValue.handle);
}
public static void CreateJavaVM(out JavaVM jvm, out JNIEnv env, params string[] options)
{
CreateJavaVM(out jvm, out env, false, options);
}