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); } }
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(); }
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; }