void NativeScriptRuntime::CallJavaMethod(const Local<Object>& caller, const string& className, const string& methodName, MetadataEntry *entry, bool isStatic, bool isSuper, const v8::FunctionCallbackInfo<v8::Value>& args)
{
SET_PROFILER_FRAME();
JEnv env;
jclass clazz;
jmethodID mid;
string *sig = nullptr;
string *returnType = nullptr;
auto retType = MethodReturnType::Unknown;
MethodCache::CacheMethodInfo mi;
if ((entry != nullptr) && entry->isResolved)
{
isStatic = entry->isStatic;
if (entry->memberId == nullptr)
{
clazz = env.FindClass(className);
if (clazz == nullptr)
{
MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
const string callerClassName = callerNode->GetName();
DEBUG_WRITE("Cannot resolve class: %s while calling method: %s callerClassName: %s", className.c_str(), methodName.c_str(), callerClassName.c_str());
clazz = env.FindClass(callerClassName);
if (clazz == nullptr)
{
//todo: plamen5kov: throw exception here
DEBUG_WRITE("Cannot resolve caller's class name: %s", callerClassName.c_str());
return;
}
entry->memberId = isStatic ?
env.GetStaticMethodID(clazz, methodName, entry->sig) :
env.GetMethodID(clazz, methodName, entry->sig);
if (entry->memberId == nullptr)
{
//todo: plamen5kov: throw exception here
DEBUG_WRITE("Cannot resolve a method %s on caller class: %s", methodName.c_str(), callerClassName.c_str());
return;
}
}
else
{
entry->memberId = isStatic ?
env.GetStaticMethodID(clazz, methodName, entry->sig) :
env.GetMethodID(clazz, methodName, entry->sig);
if (entry->memberId == nullptr)
{
//todo: plamen5kov: throw exception here
DEBUG_WRITE("Cannot resolve a method %s on class: %s", methodName.c_str(), className.c_str());
return;
}
}
entry->clazz = clazz;
}
mid = reinterpret_cast<jmethodID>(entry->memberId);
clazz = entry->clazz;
sig = &entry->sig;
returnType = &entry->returnType;
retType = entry->retType;
}
else
{
DEBUG_WRITE("Resolving method: %s on className %s", methodName.c_str(), className.c_str());
clazz = env.FindClass(className);
if (clazz != nullptr)
{
mi = MethodCache::ResolveMethodSignature(className, methodName, args, isStatic);
if (mi.mid == nullptr)
{
DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d", className.c_str(), methodName.c_str(), isStatic, isSuper);
return;
}
}
else
{
MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
const string callerClassName = callerNode->GetName();
DEBUG_WRITE("Resolving method on caller class: %s.%s on className %s", callerClassName.c_str(), methodName.c_str(), className.c_str());
mi = MethodCache::ResolveMethodSignature(callerClassName, methodName, args, isStatic);
if (mi.mid == nullptr)
{
DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d, callerClass=%s", className.c_str(), methodName.c_str(), isStatic, isSuper, callerClassName.c_str());
return;
}
}
clazz = mi.clazz;
mid = mi.mid;
sig = &mi.signature;
returnType = &mi.returnType;
retType = mi.retType;
}
if (!isStatic)
{
DEBUG_WRITE("CallJavaMethod called %s.%s. Instance id: %d, isSuper=%d", className.c_str(), methodName.c_str(), caller.IsEmpty() ? -42 : caller->GetIdentityHash(), isSuper);
}
else
{
DEBUG_WRITE("CallJavaMethod called %s.%s. static method", className.c_str(), methodName.c_str());
}
JsArgConverter argConverter(args, false, *sig, entry);
if (!argConverter.IsValid())
{
JsArgConverter::Error err = argConverter.GetError();
throw NativeScriptException(err.msg);
}
auto isolate = Isolate::GetCurrent();
jweak callerJavaObject;
jvalue* javaArgs = argConverter.ToArgs();
if (!isStatic)
{
callerJavaObject = objectManager->GetJavaObjectByJsObject(caller);
if(callerJavaObject == nullptr)
{
stringstream ss;
ss << "No java object found on which to call \"" << methodName << "\" method. It is possible your Javascript object is not linked with the corresponding Java class. Try passing context(this) to the constructor function.";
throw NativeScriptException(ss.str());
}
}
switch (retType)
{
case MethodReturnType::Void:
{
if (isStatic)
{
env.CallStaticVoidMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
env.CallNonvirtualVoidMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
env.CallVoidMethodA(callerJavaObject, mid, javaArgs);
}
break;
}
case MethodReturnType::Boolean:
{
jboolean result;
if (isStatic)
{
result = env.CallStaticBooleanMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualBooleanMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallBooleanMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result != 0 ? True(isolate) : False(isolate));
break;
}
case MethodReturnType::Byte:
{
jbyte result;
if (isStatic)
{
result = env.CallStaticByteMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualByteMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallByteMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case MethodReturnType::Char:
{
jchar result;
if (isStatic)
{
result = env.CallStaticCharMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualCharMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallCharMethodA(callerJavaObject, mid, javaArgs);
}
JniLocalRef str(env.NewString(&result, 1));
jboolean bol = true;
const char* resP = env.GetStringUTFChars(str, &bol);
args.GetReturnValue().Set(ConvertToV8String(resP, 1));
env.ReleaseStringUTFChars(str, resP);
break;
}
case MethodReturnType::Short:
{
jshort result;
if (isStatic)
{
result = env.CallStaticShortMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualShortMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallShortMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case MethodReturnType::Int:
{
jint result;
if (isStatic)
{
result = env.CallStaticIntMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualIntMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallIntMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case MethodReturnType::Long:
{
jlong result;
if (isStatic)
{
result = env.CallStaticLongMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualLongMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallLongMethodA(callerJavaObject, mid, javaArgs);
}
auto jsLong = ArgConverter::ConvertFromJavaLong(result);
args.GetReturnValue().Set(jsLong);
break;
}
case MethodReturnType::Float:
{
jfloat result;
if (isStatic)
{
result = env.CallStaticFloatMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualFloatMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallFloatMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set((double) result); //TODO: handle float value here correctly.
break;
}
case MethodReturnType::Double:
{
jdouble result;
if (isStatic)
{
result = env.CallStaticDoubleMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualDoubleMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallDoubleMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case MethodReturnType::String:
{
jobject result = nullptr;
bool exceptionOccurred;
if (isStatic)
{
result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
}
if (result != nullptr)
{
auto objectResult = ArgConverter::jstringToV8String(static_cast<jstring>(result));
args.GetReturnValue().Set(objectResult);
env.DeleteLocalRef(result);
}
else
{
args.GetReturnValue().Set(Null(isolate));
}
break;
}
case MethodReturnType::Object:
{
jobject result = nullptr;
bool exceptionOccurred;
if (isStatic)
{
result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
}
if (result != nullptr)
{
auto isString = env.IsInstanceOf(result, JAVA_LANG_STRING);
Local<Value> objectResult;
if (isString)
{
objectResult = ArgConverter::jstringToV8String((jstring)result);
}
else
{
jint javaObjectID = objectManager->GetOrCreateObjectId(result);
objectResult = objectManager->GetJsObjectByJavaObject(javaObjectID);
if (objectResult.IsEmpty())
{
objectResult = objectManager->CreateJSWrapper(javaObjectID, *returnType, result);
}
}
args.GetReturnValue().Set(objectResult);
env.DeleteLocalRef(result);
}
else
{
args.GetReturnValue().Set(Null(isolate));
}
break;
}
default:
{
assert(false);
break;
}
}
static uint32_t adjustMemCount = 0;
if ((++adjustMemCount % 2) == 0)
{
AdjustAmountOfExternalAllocatedMemory(env, isolate);
}
}
void NativeScriptRuntime::CallJavaMethod(const Handle<Object>& caller, const string& className, const string& methodName, MetadataEntry *entry, bool isStatic, bool isSuper, const v8::FunctionCallbackInfo<v8::Value>& args)
{
SET_PROFILER_FRAME();
JEnv env;
jclass clazz;
jmethodID mid;
string sig;
if ((entry != nullptr) && entry->isResolved)
{
isStatic = entry->isStatic;
if (entry->memberId == nullptr)
{
entry->clazz = env.FindClass(className);
if (entry->clazz == nullptr)
{
MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
const string callerClassName = callerNode->GetName();
DEBUG_WRITE("Cannot resolve class: %s while calling method: %s callerClassName: %s", className.c_str(), methodName.c_str(), callerClassName.c_str());
clazz = env.FindClass(callerClassName);
if (clazz == nullptr)
{
DEBUG_WRITE("Cannot resolve caller's class name: %s", callerClassName.c_str());
return;
}
mid = isStatic ?
env.GetStaticMethodID(clazz, methodName, entry->sig) :
env.GetMethodID(clazz, methodName, entry->sig);
if (mid == nullptr)
{
DEBUG_WRITE("Cannot resolve a method %s on caller class: %s", methodName.c_str(), callerClassName.c_str());
return;
}
}
else
{
entry->memberId = isStatic ?
env.GetStaticMethodID(entry->clazz, methodName, entry->sig) :
env.GetMethodID(entry->clazz, methodName, entry->sig);
if (entry->memberId == nullptr)
{
DEBUG_WRITE("Cannot resolve a method %s on class: %s", methodName.c_str(), className.c_str());
return;
}
}
}
if (entry->clazz != nullptr)
{
clazz = entry->clazz;
mid = reinterpret_cast<jmethodID>(entry->memberId);
}
sig = entry->sig;
}
else
{
DEBUG_WRITE("Resolving method: %s on className %s", methodName.c_str(), className.c_str());
MethodCache::CacheMethodInfo mi;
clazz = env.FindClass(className);
if (clazz != nullptr)
{
mi = MethodCache::ResolveMethodSignature(className, methodName, args, isStatic);
if (mi.mid == nullptr)
{
DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d", className.c_str(), methodName.c_str(), isStatic, isSuper);
return;
}
}
else
{
MetadataNode* callerNode = MetadataNode::GetNodeFromHandle(caller);
const string callerClassName = callerNode->GetName();
DEBUG_WRITE("Resolving method on caller class: %s.%s on className %s", callerClassName.c_str(), methodName.c_str(), className.c_str());
mi = MethodCache::ResolveMethodSignature(callerClassName, methodName, args, isStatic);
if (mi.mid == nullptr)
{
DEBUG_WRITE("Cannot resolve class=%s, method=%s, isStatic=%d, isSuper=%d, callerClass=%s", className.c_str(), methodName.c_str(), isStatic, isSuper, callerClassName.c_str());
return;
}
}
clazz = mi.clazz;
mid = mi.mid;
sig = mi.signature;
}
if (!isStatic)
{
DEBUG_WRITE("CallJavaMethod called %s.%s. Instance id: %d, isSuper=%d", className.c_str(), methodName.c_str(), caller.IsEmpty() ? -42 : caller->GetIdentityHash(), isSuper);
}
else
{
DEBUG_WRITE("CallJavaMethod called %s.%s. static method", className.c_str(), methodName.c_str());
}
JsArgConverter argConverter(args, false, sig);
if (!argConverter.IsValid())
{
JsArgConverter::Error err = argConverter.GetError();
ExceptionUtil::GetInstance()->ThrowExceptionToJs(err.msg);
return;
}
auto isolate = Isolate::GetCurrent();
jweak callerJavaObject;
jvalue* javaArgs = argConverter.ToArgs();
if (!isStatic)
{
callerJavaObject = objectManager->GetJavaObjectByJsObject(caller);
if(callerJavaObject == nullptr)
{
stringstream ss;
ss << "No java object found on which to call \"" << methodName << "\" method. It is possible your Javascript object is not linked with the corresponding Java class. Try passing context(this) to the constructor function.";
string exceptionMessage = ss.str();
isolate->ThrowException(v8::Exception::ReferenceError(ConvertToV8String(exceptionMessage)));
return;
}
}
auto returnType = GetReturnType(sig);
switch (returnType[0])
{
case 'V': //void
{
if (isStatic)
{
env.CallStaticVoidMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
env.CallNonvirtualVoidMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
env.CallVoidMethodA(callerJavaObject, mid, javaArgs);
}
break;
}
case 'Z': //bool
{
jboolean result;
if (isStatic)
{
result = env.CallStaticBooleanMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualBooleanMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallBooleanMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result != 0 ? True(isolate) : False(isolate));
break;
}
case 'B': //byte
{
jbyte result;
if (isStatic)
{
result = env.CallStaticByteMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualByteMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallByteMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case 'C': //char
{
jchar result;
if (isStatic)
{
result = env.CallStaticCharMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualCharMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallCharMethodA(callerJavaObject, mid, javaArgs);
}
JniLocalRef str(env.NewString(&result, 1));
jboolean bol = true;
const char* resP = env.GetStringUTFChars(str, &bol);
args.GetReturnValue().Set(ConvertToV8String(resP, 1));
env.ReleaseStringUTFChars(str, resP);
break;
}
case 'S': //short
{
jshort result;
if (isStatic)
{
result = env.CallStaticShortMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualShortMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallShortMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case 'I': //int
{
jint result;
if (isStatic)
{
result = env.CallStaticIntMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualIntMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallIntMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case 'J': //long
{
jlong result;
if (isStatic)
{
result = env.CallStaticLongMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualLongMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallLongMethodA(callerJavaObject, mid, javaArgs);
}
auto jsLong = ArgConverter::ConvertFromJavaLong(result);
args.GetReturnValue().Set(jsLong);
break;
}
case 'F': //float
{
jfloat result;
if (isStatic)
{
result = env.CallStaticFloatMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualFloatMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallFloatMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set((double) result); //TODO: handle float value here correctly.
break;
}
case 'D': //double
{
jdouble result;
if (isStatic)
{
result = env.CallStaticDoubleMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualDoubleMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallDoubleMethodA(callerJavaObject, mid, javaArgs);
}
args.GetReturnValue().Set(result);
break;
}
case '[':
case 'L':
{
bool isString = returnType == "Ljava/lang/String;";
jobject result = nullptr;
bool exceptionOccurred;
if (isString)
{
if (isStatic)
{
result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
}
exceptionOccurred = env.ExceptionCheck() == JNI_TRUE;
if (!exceptionOccurred)
{
auto resultV8String = ArgConverter::jstringToV8String((jstring) result);
args.GetReturnValue().Set(resultV8String);
}
}
else
{
if (isStatic)
{
result = env.CallStaticObjectMethodA(clazz, mid, javaArgs);
}
else if (isSuper)
{
result = env.CallNonvirtualObjectMethodA(callerJavaObject, clazz, mid, javaArgs);
}
else
{
result = env.CallObjectMethodA(callerJavaObject, mid, javaArgs);
}
exceptionOccurred = env.ExceptionCheck() == JNI_TRUE;
if (!exceptionOccurred)
{
if (result != nullptr)
{
isString = env.IsInstanceOf(result, JAVA_LANG_STRING);
Handle<Value> objectResult;
if (isString)
{
objectResult = ArgConverter::jstringToV8String((jstring)result);
}
else
{
jint javaObjectID = objectManager->GetOrCreateObjectId(result);
objectResult = objectManager->GetJsObjectByJavaObject(javaObjectID);
if (objectResult.IsEmpty())
{
objectResult = objectManager->CreateJSWrapper(javaObjectID, returnType, result);
}
}
args.GetReturnValue().Set(objectResult);
}
else
{
args.GetReturnValue().Set(Null(isolate));
}
}
}
if (!exceptionOccurred)
{
env.DeleteLocalRef(result);
}
break;
}
default:
{
// TODO:
ASSERT_FAIL("Unknown return type");
break;
}
}
if (!ExceptionUtil::GetInstance()->CheckForJavaException(env))
{
AdjustAmountOfExternalAllocatedMemory(env, isolate);
}
}
