Example #1
0
void JClass::registerNativeMethods(const QList<JNativeMethod>& m)
{
	if (m.isEmpty())
		return;

	JNINativeMethod* nm = new JNINativeMethod[m.size()];

	for (int i = 0; i < m.size(); i++)
		nm[i] = m[i].toStruct();

	JNIEnv* env = *JVM::instance();
	env->RegisterNatives(m_class, nm, m.size());

	delete [] nm;

	JObject ex = env->ExceptionOccurred();

	if (!ex.isNull())
	{
		env->ExceptionClear();
		ex.call("printStackTrace");
		QString message = ex.call("getMessage", JSignature().retString()).toString();
		QString className = ex.getClass().getClassName();

		throw JException(message, className, ex);
	}
}
Example #2
0
jobject JSettings::getValue(JNIEnv* env, jclass, jstring jname, jobject defValue)
{
	const char* def = "----jplugin-def";
	JString name(jname);
	QVariant v = getSettingsValue(name.str(), def);

	if (v.type() == QVariant::String && v.toString() == def)
		return defValue;

	JObject obj = JMap::nativeToBoxed(v);
	qDebug() << obj.getClass().getClassName();
	return obj.getLocalRef();
}
Example #3
0
QVariant JClass::callStatic(const char* name, const char* sig, QList<QVariant> args)
{
	JScope s;

	JNIEnv* env = *JVM::instance();
	jmethodID mid = env->GetStaticMethodID(m_class, name, sig);
	if (!mid)
		throw RuntimeException(QObject::tr("Method %1 %2 not found").arg(name).arg(sig));

	JValue vals[args.size()];
	jvalue jargs[args.size()];

	for(int i=0;i<args.size();i++)
	{
		vals[i] = variantToValue(args[i]);
		jargs[i] = vals[i];
	}

	const char* rvtype = strchr(sig, ')');
	if (!rvtype)
		throw RuntimeException(QObject::tr("Invalid method return type").arg(name).arg(sig));
	rvtype++;

	QVariant retval;

	switch (*rvtype)
	{
	case 'V':
		env->CallStaticVoidMethodA(m_class, mid, jargs);
		break;
	case '[':
		{
			jobject obj = env->CallStaticObjectMethodA(m_class, mid, jargs);
			retval.setValue<JArray>(JArray(obj));
			break;
		}
	case 'L':
		{
			jclass string_class = env->FindClass("java/lang/String");
			jobject obj = env->CallStaticObjectMethodA(m_class, mid, jargs);
			if (obj && env->IsInstanceOf(obj, string_class) && !strcmp(rvtype+1, "java/lang/String;"))
				retval = JString(jstring(obj)).str();
			else
			{
				QVariant var;
				var.setValue<JObject>(JObject(obj));
				retval = var;
			}
			break;
		}
	case 'Z':
		retval = (bool) env->CallStaticBooleanMethodA(m_class, mid, jargs);
		break;
	case 'B':
		retval = env->CallStaticByteMethodA(m_class, mid, jargs);
		break;
	case 'C':
		retval = env->CallStaticCharMethodA(m_class, mid, jargs);
		break;
	case 'S':
		retval = env->CallStaticShortMethodA(m_class, mid, jargs);
		break;
	case 'I':
		retval = env->CallStaticIntMethodA(m_class, mid, jargs);
		break;
	case 'J':
		retval = (qlonglong) env->CallStaticLongMethodA(m_class, mid, jargs);
		break;
	case 'F':
		retval = env->CallStaticFloatMethodA(m_class, mid, jargs);
		break;
	case 'D':
		retval = env->CallStaticDoubleMethodA(m_class, mid, jargs);
		break;
	default:
		throw RuntimeException(QObject::tr("Unknown Java data type: %1").arg(*rvtype));
	}

	JObject ex = env->ExceptionOccurred();

	if (!ex.isNull())
	{
		env->ExceptionClear();
		ex.call("printStackTrace");
		QString message = ex.call("getMessage", JSignature().retString()).toString();
		QString className = ex.getClass().getClassName();

		throw JException(message, className, ex);
	}

	return retval;
}