private static void HookStream(JniEnvironment environment, JniClass nativeClazz,
JavaVMLogTypes hook, string javaHookMethod)
{
JniMethod outMid = nativeClazz.GetStaticMethodId(environment, javaHookMethod, "(I)V");
JValue[] paramArray = new JValue[1];
paramArray[0].AssignIntValue((int)hook);
outMid.CallStaticVoidMethod(environment, paramArray);
}
private static string[] GetJavaPropertyNames(JniEnvironment environment, JniClass systemClazz)
{
JniLocalFrame frame = environment.CreateLocalFrame(6);
try
{
JniMethod getPropsMid = systemClazz.GetStaticMethodId(environment, "getProperties", "()Ljava/util/Properties;");
JniObject propsHandle = getPropsMid.CallStaticObjectMethod(environment, null);
JniClass propsClazz = propsHandle.GetObjectClass(environment);
JniMethod keySetId = propsClazz.GetMethodId(environment, "keySet", "()Ljava/util/Set;");
JniObject setHandle = keySetId.CallObjectMethod(environment, propsHandle, null);
JniClass setClazz = setHandle.GetObjectClass(environment);
JniMethod toArrayId = setClazz.GetMethodId(environment, "toArray", "()[Ljava/lang/Object;");
JniObjectArray arrayHandle = (JniObjectArray)toArrayId.CallObjectMethod(environment, setHandle, null);
string[] keyNames = JniString.ExtractStringArray(environment, arrayHandle);
return keyNames;
}
finally
{
frame.SafePop();
}
}