std::string methodNotFoundToString(JNIEnv *env, jclass clazz, std::string methodName, bool constructor, const v8::Arguments& args, int argStart, int argEnd) {
std::ostringstream startOfMessage;
std::ostringstream msg;
jclass classClazz = env->FindClass("java/lang/Class");
jmethodID class_getName = env->GetMethodID(classClazz, "getName", "()Ljava/lang/String;");
startOfMessage << "Could not find method \"" << methodName.c_str() << "(";
for(int i=argStart; i<argEnd; i++) {
jobject val = v8ToJava(env, args[i]);
if(i != argStart) {
startOfMessage << ", ";
}
if(val == NULL) {
startOfMessage << "(null)";
} else {
jclass argClass = env->GetObjectClass(val);
jstring argClassNameJava = (jstring)env->CallObjectMethod(argClass, class_getName);
std::string argClassName = javaToString(env, argClassNameJava);
startOfMessage << argClassName;
}
}
startOfMessage << ")\" on class \""<< javaObjectToString(env, clazz).c_str() << "\".";
msg << startOfMessage.str() << " Possible matches:\n";
jclass memberClazz = env->FindClass("java/lang/reflect/Member");
jmethodID member_getName = env->GetMethodID(memberClazz, "getName", "()Ljava/lang/String;");
std::list<jobject> methods;
if(constructor) {
javaReflectionGetConstructors(env, clazz, &methods);
} else {
javaReflectionGetMethods(env, clazz, &methods, true);
}
int count = 0;
for(std::list<jobject>::iterator it = methods.begin(); it != methods.end(); ++it) {
jstring methodNameTestJava = (jstring)env->CallObjectMethod(*it, member_getName);
std::string methodNameTest = javaToString(env, methodNameTestJava);
if(methodNameTest == methodName) {
msg << " " << javaObjectToString(env, *it).c_str() << "\n";
count++;
}
}
if(count == 0) {
std::ostringstream noMethodsMsg;
noMethodsMsg << startOfMessage.str() << " No methods with that name.";
return noMethodsMsg.str();
}
return msg.str();
}
/*static*/ v8::Local<v8::Object> JavaObject::New(Java *java, jobject obj) {
v8::HandleScope scope;
JNIEnv *env = java->getJavaEnv();
obj = env->NewGlobalRef(obj);
JavaScope javaScope(env);
jclass objClazz = env->GetObjectClass(obj);
jclass classClazz = env->FindClass("java/lang/Class");
jmethodID class_getName = env->GetMethodID(classClazz, "getName", "()Ljava/lang/String;");
jobject classNameJava = env->CallObjectMethod(objClazz, class_getName);
std::string className = javaObjectToString(env, classNameJava);
std::replace(className.begin(), className.end(), '.', '_');
std::replace(className.begin(), className.end(), '$', '_');
std::replace(className.begin(), className.end(), '[', 'a');
className = "nodeJava_" + className;
v8::Persistent<v8::FunctionTemplate> persistentFuncTemplate;
if(sFunctionTemplates.find(className) != sFunctionTemplates.end()) {
//printf("existing className: %s\n", className.c_str());
persistentFuncTemplate = sFunctionTemplates[className];
} else {
//printf("create className: %s\n", className.c_str());
v8::Local<v8::FunctionTemplate> funcTemplate = v8::FunctionTemplate::New();
funcTemplate->InstanceTemplate()->SetInternalFieldCount(1);
funcTemplate->SetClassName(v8::String::NewSymbol(className.c_str()));
std::list<jobject> methods;
javaReflectionGetMethods(env, objClazz, &methods, false);
jclass methodClazz = env->FindClass("java/lang/reflect/Method");
jmethodID method_getName = env->GetMethodID(methodClazz, "getName", "()Ljava/lang/String;");
for(std::list<jobject>::iterator it = methods.begin(); it != methods.end(); it++) {
jstring methodNameJava = (jstring)env->CallObjectMethod(*it, method_getName);
std::string methodNameStr = javaToString(env, methodNameJava);
v8::Handle<v8::String> methodName = v8::String::New(methodNameStr.c_str());
v8::Local<v8::FunctionTemplate> methodCallTemplate = v8::FunctionTemplate::New(methodCall, methodName);
funcTemplate->PrototypeTemplate()->Set(methodName, methodCallTemplate->GetFunction());
v8::Handle<v8::String> methodNameSync = v8::String::New((methodNameStr + "Sync").c_str());
v8::Local<v8::FunctionTemplate> methodCallSyncTemplate = v8::FunctionTemplate::New(methodCallSync, methodName);
funcTemplate->PrototypeTemplate()->Set(methodNameSync, methodCallSyncTemplate->GetFunction());
}
std::list<jobject> fields;
javaReflectionGetFields(env, objClazz, &fields);
jclass fieldClazz = env->FindClass("java/lang/reflect/Field");
jmethodID field_getName = env->GetMethodID(fieldClazz, "getName", "()Ljava/lang/String;");
for(std::list<jobject>::iterator it = fields.begin(); it != fields.end(); it++) {
jstring fieldNameJava = (jstring)env->CallObjectMethod(*it, field_getName);
std::string fieldNameStr = javaToString(env, fieldNameJava);
v8::Handle<v8::String> fieldName = v8::String::New(fieldNameStr.c_str());
funcTemplate->InstanceTemplate()->SetAccessor(fieldName, fieldGetter, fieldSetter);
}
sFunctionTemplates[className] = persistentFuncTemplate = v8::Persistent<v8::FunctionTemplate>::New(funcTemplate);
}
v8::Local<v8::Function> ctor = persistentFuncTemplate->GetFunction();
v8::Local<v8::Object> javaObjectObj = ctor->NewInstance();
javaObjectObj->SetHiddenValue(v8::String::New("__isJavaObject"), v8::Boolean::New(true));
JavaObject *self = new JavaObject(java, obj);
self->Wrap(javaObjectObj);
return scope.Close(javaObjectObj);
}