private static bool CheckAlreadyLoaded(BridgeSetup newSetup, JNIEnv env)
{
if (clrLoaded)
{
return(true);
}
if (newSetup.BindNative)
{
JniLocalHandle br = env.FindClassPtrNoThrow("net/sf/jni4net/Bridge");
if (JniLocalHandle.IsNull(br))
{
throw new JNIException("Can't find class net.sf.jni4net.Bridge on classpath");
}
IntPtr ir = env.GetStaticFieldIDPtr(br, "isRegistered", "Z");
bool isRegistered = env.GetStaticBooleanField(br, ir);
if (isRegistered)
{
// rather neat. When called like Clr->Java->Clr this dll gets loaded twice.
// which means two separate sets CLR of classes and static members
if (newSetup.Verbose)
{
Console.WriteLine("Already initialized jni4net core before");
}
return(true);
}
}
return(false);
}
internal static int initDotNetImpl(IntPtr envi, IntPtr clazz)
{
JNIEnv env = null;
try
{
try
{
env = JNIEnv.Wrap(envi);
}
catch (Exception ex)
{
Console.Error.WriteLine("Can't bind env:\n" + ex.Message);
Console.Error.WriteLine("Can't bind env:\n" + ex);
return(-3);
}
JniLocalHandle br = env.FindClassPtrNoThrow("net/sf/jni4net/Bridge");
if (JniLocalHandle.IsNull(br))
{
Console.Error.WriteLine("Can't find net/sf/jni4net/Bridge class");
return(-2);
}
IntPtr vb = env.GetStaticFieldIDPtr(br, "verbose", "Z");
IntPtr db = env.GetStaticFieldIDPtr(br, "debug", "Z");
if (IntPtr.Zero == vb || IntPtr.Zero == db)
{
Console.Error.WriteLine("Can't find verbose or debug fields");
return(-6);
}
var newSetup = new BridgeSetup(false)
{
Verbose = env.GetStaticBooleanField(br, vb),
Debug = env.GetStaticBooleanField(br, db),
BindStatic = true,
BindNative = true
};
BindCore(env, newSetup);
if (Setup.JavaHome == null)
{
Setup.JavaHome = java.lang.System.getProperty("java.home");
}
DumpRuntimeVersions();
}
catch (Exception ex)
{
try
{
Console.Error.WriteLine("Can't bind bridge:" + ex.Message);
Console.Error.WriteLine("Can't bind bridge:" + ex);
Class exClazz = env.FindClass("net/sf/jni4net/inj/INJException");
env.ThrowNew(exClazz, ex.Message);
return(-4);
}
catch (Exception)
{
return(-5);
}
}
return(0);
}
private static void CurrentDomain_DomainUnload(object sender, EventArgs e)
{
if (Setup.BindNative)
{
JNIEnv env = JNIEnv.ThreadEnv;
Registry.UnregisterNative();
JniLocalHandle br = env.FindClassPtrNoThrow("net/sf/jni4net/Bridge");
IntPtr ir = env.GetStaticFieldIDPtr(br, "isRegistered", "Z");
env.SetStaticBooleanField(br, ir, false);
}
}