node-java/src/java.cpp at master · balitax/node-java · GitHub

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#include "java.h"

#include <string.h>

#ifdef WIN32

#else

#include <unistd.h>

#endif

#include "javaObject.h"

#include "javaScope.h"

#include "methodCallBaton.h"

#include "node_NodeDynamicProxyClass.h"

#include <sstream>

std::string nativeBindingLocation;

long v8ThreadId;

/*static*/ v8::Persistent<v8::FunctionTemplate> Java::s_ct;

void my_sleep(int dur) {

#ifdef WIN32

Sleep(dur);

#else

usleep(dur);

#endif

}

long my_getThreadId() {

#ifdef WIN32

return (long)GetCurrentThreadId();

#else

return (long)pthread_self();

#endif

}

/*static*/ void Java::Init(v8::Handle<v8::Object> target) {

v8::HandleScope scope;

v8ThreadId = my_getThreadId();

v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(New);

s_ct = v8::Persistent<v8::FunctionTemplate>::New(t);

s_ct->InstanceTemplate()->SetInternalFieldCount(1);

s_ct->SetClassName(v8::String::NewSymbol("Java"));

NODE_SET_PROTOTYPE_METHOD(s_ct, "getClassLoader", getClassLoader);

NODE_SET_PROTOTYPE_METHOD(s_ct, "newInstance", newInstance);

NODE_SET_PROTOTYPE_METHOD(s_ct, "newInstanceSync", newInstanceSync);

NODE_SET_PROTOTYPE_METHOD(s_ct, "newProxy", newProxy);

NODE_SET_PROTOTYPE_METHOD(s_ct, "callStaticMethod", callStaticMethod);

NODE_SET_PROTOTYPE_METHOD(s_ct, "callStaticMethodSync", callStaticMethodSync);

NODE_SET_PROTOTYPE_METHOD(s_ct, "findClassSync", findClassSync);

NODE_SET_PROTOTYPE_METHOD(s_ct, "newArray", newArray);

NODE_SET_PROTOTYPE_METHOD(s_ct, "newByte", newByte);

NODE_SET_PROTOTYPE_METHOD(s_ct, "getStaticFieldValue", getStaticFieldValue);

NODE_SET_PROTOTYPE_METHOD(s_ct, "setStaticFieldValue", setStaticFieldValue);

target->Set(v8::String::NewSymbol("Java"), s_ct->GetFunction());

}

/*static*/ v8::Handle<v8::Value> Java::New(const v8::Arguments& args) {

v8::HandleScope scope;

Java *self = new Java();

self->Wrap(args.This());

self->handle_->Set(v8::String::New("classpath"), v8::Array::New());

self->handle_->Set(v8::String::New("options"), v8::Array::New());

self->handle_->Set(v8::String::New("nativeBindingLocation"), v8::String::New("Not Set"));

return args.This();

}

Java::Java() {

this->m_jvm = NULL;

this->m_env = NULL;

}

Java::~Java() {

}

v8::Handle<v8::Value> Java::ensureJvm() {

if(!m_jvm) {

return createJVM(&this->m_jvm, &this->m_env);

}

return v8::Undefined();

}

v8::Handle<v8::Value> Java::createJVM(JavaVM** jvm, JNIEnv** env) {

JavaVM* jvmTemp;

JavaVMInitArgs args;

// setup classpath

std::ostringstream classPath;

classPath << "-Djava.class.path=";

v8::Local<v8::Value> classPathValue = handle_->Get(v8::String::New("classpath"));

if(!classPathValue->IsArray()) {

return ThrowException(v8::Exception::TypeError(v8::String::New("Classpath must be an array")));

}

v8::Local<v8::Array> classPathArray = v8::Array::Cast(*classPathValue);

for(uint32_t i=0; i<classPathArray->Length(); i++) {

if(i != 0) {

#ifdef WIN32

classPath << ";";

#else

classPath << ":";

#endif

}

v8::Local<v8::Value> arrayItemValue = classPathArray->Get(i);

if(!arrayItemValue->IsString()) {

return ThrowException(v8::Exception::TypeError(v8::String::New("Classpath must only contain strings")));

}

v8::Local<v8::String> arrayItem = arrayItemValue->ToString();

v8::String::AsciiValue arrayItemStr(arrayItem);

classPath << *arrayItemStr;

}

// set the native binding location

v8::Local<v8::Value> v8NativeBindingLocation = handle_->Get(v8::String::New("nativeBindingLocation"));

v8::String::AsciiValue nativeBindingLocationStr(v8NativeBindingLocation);

nativeBindingLocation = *nativeBindingLocationStr;

// get other options

v8::Local<v8::Value> optionsValue = handle_->Get(v8::String::New("options"));

if(!optionsValue->IsArray()) {

return ThrowException(v8::Exception::TypeError(v8::String::New("options must be an array")));

}

v8::Local<v8::Array> optionsArray = v8::Array::Cast(*optionsValue);

// create vm options

int vmOptionsCount = optionsArray->Length() + 1;

JavaVMOption* vmOptions = new JavaVMOption[vmOptionsCount];

//printf("classPath: %s\n", classPath.str().c_str());

vmOptions[0].optionString = strdup(classPath.str().c_str());

for(uint32_t i=0; i<optionsArray->Length(); i++) {

v8::Local<v8::Value> arrayItemValue = optionsArray->Get(i);

if(!arrayItemValue->IsString()) {

return ThrowException(v8::Exception::TypeError(v8::String::New("options must only contain strings")));

}

v8::Local<v8::String> arrayItem = arrayItemValue->ToString();

v8::String::AsciiValue arrayItemStr(arrayItem);

vmOptions[i+1].optionString = strdup(*arrayItemStr);

}

JNI_GetDefaultJavaVMInitArgs(&args);

args.version = JNI_VERSION_1_6;

args.ignoreUnrecognized = false;

args.options = vmOptions;

args.nOptions = vmOptionsCount;

JNI_CreateJavaVM(&jvmTemp, (void **)env, &args);

*jvm = jvmTemp;

m_classLoader = getSystemClassLoader(*env);

return v8::Undefined();

}

/*static*/ v8::Handle<v8::Value> Java::getClassLoader(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

jclass classClazz = env->FindClass("java/lang/ClassLoader");

jmethodID class_getClassLoader = env->GetStaticMethodID(classClazz, "getSystemClassLoader", "()Ljava/lang/ClassLoader;");

jobject classLoader = env->CallStaticObjectMethod(classClazz, class_getClassLoader);

jobject result = env->NewGlobalRef(classLoader);

return scope.Close(javaToV8(self, env, result));

}

/*static*/ v8::Handle<v8::Value> Java::newInstance(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

ARGS_BACK_CALLBACK();

// find class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

EXCEPTION_CALL_CALLBACK("Could not find class " << className.c_str());

return v8::Undefined();

}

// get method

jobjectArray methodArgs = v8ToJava(env, args, argsStart, argsEnd);

jobject method = javaFindConstructor(env, clazz, methodArgs);

if(method == NULL) {

std::string msg = methodNotFoundToString(env, clazz, className, true, args, argsStart, argsEnd);

EXCEPTION_CALL_CALLBACK(msg);

return v8::Undefined();

}

// run

NewInstanceBaton* baton = new NewInstanceBaton(self, clazz, method, methodArgs, callback);

baton->run();

END_CALLBACK_FUNCTION("\"Constructor for class '" << className << "' called without a callback did you mean to use the Sync version?\"");

}

/*static*/ v8::Handle<v8::Value> Java::newInstanceSync(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

// find class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// find method

jobjectArray methodArgs = v8ToJava(env, args, argsStart, argsEnd);

jobject method = javaFindConstructor(env, clazz, methodArgs);

if(method == NULL) {

std::string msg = methodNotFoundToString(env, clazz, className, true, args, argsStart, argsEnd);

return ThrowException(javaExceptionToV8(env, msg));

}

// run

v8::Handle<v8::Value> callback = v8::Undefined();

NewInstanceBaton* baton = new NewInstanceBaton(self, clazz, method, methodArgs, callback);

v8::Handle<v8::Value> result = baton->runSync();

delete baton;

if(result->IsNativeError()) {

return ThrowException(result);

}

return scope.Close(result);

}

/*static*/ v8::Handle<v8::Value> Java::newProxy(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

UNUSED_VARIABLE(argsEnd);

ARGS_FRONT_STRING(interfaceName);

ARGS_FRONT_OBJECT(functions);

DynamicProxyData* dynamicProxyData = new DynamicProxyData();

dynamicProxyData->markerStart = DYNAMIC_PROXY_DATA_MARKER_START;

dynamicProxyData->markerEnd = DYNAMIC_PROXY_DATA_MARKER_END;

dynamicProxyData->java = self;

dynamicProxyData->interfaceName = interfaceName;

dynamicProxyData->functions = v8::Persistent<v8::Object>::New(functions);

// find NodeDynamicProxyClass

std::string className = "node.NodeDynamicProxyClass";

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class node/NodeDynamicProxyClass";

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// find constructor

jclass objectClazz = env->FindClass("java/lang/Object");

jobjectArray methodArgs = env->NewObjectArray(2, objectClazz, NULL);

env->SetObjectArrayElement(methodArgs, 0, v8ToJava(env, v8::String::New(nativeBindingLocation.c_str())));

env->SetObjectArrayElement(methodArgs, 1, longToJavaLongObj(env, (long)dynamicProxyData));

jobject method = javaFindConstructor(env, clazz, methodArgs);

if(method == NULL) {

std::ostringstream errStr;

errStr << "Could not find constructor for class node/NodeDynamicProxyClass";

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// run constructor

v8::Handle<v8::Value> callback = v8::Undefined();

NewInstanceBaton* baton = new NewInstanceBaton(self, clazz, method, methodArgs, callback);

v8::Handle<v8::Value> result = baton->runSync();

delete baton;

if(result->IsNativeError()) {

return ThrowException(result);

}

return scope.Close(result);

}

/*static*/ v8::Handle<v8::Value> Java::callStaticMethod(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

ARGS_FRONT_STRING(methodName);

ARGS_BACK_CALLBACK();

// find class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

EXCEPTION_CALL_CALLBACK("Could not create class " << className.c_str());

return v8::Undefined();

}

// find method

jobjectArray methodArgs = v8ToJava(env, args, argsStart, argsEnd);

jobject method = javaFindMethod(env, clazz, methodName, methodArgs);

if(method == NULL) {

std::string msg = methodNotFoundToString(env, clazz, methodName, false, args, argsStart, argsEnd);

EXCEPTION_CALL_CALLBACK(msg);

return v8::Undefined();

}

// run

StaticMethodCallBaton* baton = new StaticMethodCallBaton(self, clazz, method, methodArgs, callback);

baton->run();

END_CALLBACK_FUNCTION("\"Static method '" << methodName << "' called without a callback did you mean to use the Sync version?\"");

}

/*static*/ v8::Handle<v8::Value> Java::callStaticMethodSync(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

ARGS_FRONT_STRING(methodName);

// find class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// find method

jobjectArray methodArgs = v8ToJava(env, args, argsStart, argsEnd);

jobject method = javaFindMethod(env, clazz, methodName, methodArgs);

if(method == NULL) {

std::string msg = methodNotFoundToString(env, clazz, methodName, false, args, argsStart, argsEnd);

return ThrowException(javaExceptionToV8(env, msg));

}

// run

v8::Handle<v8::Value> callback = v8::Undefined();

StaticMethodCallBaton* baton = new StaticMethodCallBaton(self, clazz, method, methodArgs, callback);

v8::Handle<v8::Value> result = baton->runSync();

delete baton;

if(result->IsNativeError()) {

return ThrowException(result);

}

return scope.Close(result);

}

/*static*/ v8::Handle<v8::Value> Java::findClassSync(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

UNUSED_VARIABLE(argsEnd);

// arguments

ARGS_FRONT_CLASSNAME();

// find class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// run

v8::Handle<v8::Value> result = javaToV8(self, env, clazz);

return scope.Close(result);

}

/*static*/ v8::Handle<v8::Value> Java::newArray(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

// argument - array

if(args.Length() < argsStart+1 || !args[argsStart]->IsArray()) {

std::ostringstream errStr;

errStr << "Argument " << (argsStart+1) << " must be an array";

return ThrowException(v8::Exception::TypeError(v8::String::New(errStr.str().c_str())));

}

v8::Local<v8::Array> arrayObj = v8::Local<v8::Array>::Cast(args[argsStart]);

UNUSED_VARIABLE(argsEnd);

// find class and method

jarray results;

if(strcmp(className.c_str(), "byte") == 0) {

results = env->NewByteArray(arrayObj->Length());

for(uint32_t i=0; i<arrayObj->Length(); i++) {

v8::Local<v8::Value> item = arrayObj->Get(i);

jobject val = v8ToJava(env, item);

jclass byteClazz = env->FindClass("java/lang/Byte");

jmethodID byte_byteValue = env->GetMethodID(byteClazz, "byteValue", "()B");

jbyte byteValues[1];

byteValues[0] = env->CallByteMethod(val, byte_byteValue);

env->SetByteArrayRegion((jbyteArray)results, i, 1, byteValues);

}

else if(strcmp(className.c_str(), "char") == 0) {

results = env->NewCharArray(arrayObj->Length());

for(uint32_t i=0; i<arrayObj->Length(); i++) {

v8::Local<v8::Value> item = arrayObj->Get(i);

jobject val = v8ToJava(env, item);

jclass stringClazz = env->FindClass("java/lang/String");

jmethodID string_charAt = env->GetMethodID(stringClazz, "charAt", "(I)C");

jchar itemValues[1];

itemValues[0] = env->CallCharMethod(val, string_charAt, 0);

env->SetCharArrayRegion((jcharArray)results, i, 1, itemValues);

}

else

{

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// create array

results = env->NewObjectArray(arrayObj->Length(), clazz, NULL);

for(uint32_t i=0; i<arrayObj->Length(); i++) {

v8::Local<v8::Value> item = arrayObj->Get(i);

jobject val = v8ToJava(env, item);

env->SetObjectArrayElement((jobjectArray)results, i, val);

if(env->ExceptionOccurred()) {

std::ostringstream errStr;

v8::String::AsciiValue valStr(item);

errStr << "Could not add item \"" << *valStr << "\" to array.";

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

return scope.Close(JavaObject::New(self, results));

}

/*static*/ v8::Handle<v8::Value> Java::newByte(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

if(args.Length() != 1) {

return ThrowException(v8::Exception::TypeError(v8::String::New("newByte only takes 1 argument")));

}

// argument - value

if(!args[0]->IsNumber()) {

return ThrowException(v8::Exception::TypeError(v8::String::New("Argument 1 must be a number")));

}

v8::Local<v8::Number> val = args[0]->ToNumber();

jclass clazz = env->FindClass("java/lang/Byte");

jmethodID constructor = env->GetMethodID(clazz, "<init>", "(B)V");

jobject newObj = env->NewObject(clazz, constructor, (jbyte)val->Value());

return scope.Close(JavaObject::New(self, newObj));

}

/*static*/ v8::Handle<v8::Value> Java::getStaticFieldValue(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

ARGS_FRONT_STRING(fieldName);

UNUSED_VARIABLE(argsEnd);

// find the class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// get the field

jobject field = javaFindField(env, clazz, fieldName);

if(field == NULL) {

std::ostringstream errStr;

errStr << "Could not find field " << fieldName.c_str() << " on class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

jclass fieldClazz = env->FindClass("java/lang/reflect/Field");

jmethodID field_get = env->GetMethodID(fieldClazz, "get", "(Ljava/lang/Object;)Ljava/lang/Object;");

// get field value

jobject val = env->CallObjectMethod(field, field_get, NULL);

if(env->ExceptionOccurred()) {

std::ostringstream errStr;

errStr << "Could not get field " << fieldName.c_str() << " on class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

return scope.Close(javaToV8(self, env, val));

}

/*static*/ v8::Handle<v8::Value> Java::setStaticFieldValue(const v8::Arguments& args) {

v8::HandleScope scope;

Java* self = node::ObjectWrap::Unwrap<Java>(args.This());

v8::Handle<v8::Value> ensureJvmResults = self->ensureJvm();

if(!ensureJvmResults->IsUndefined()) {

return ensureJvmResults;

}

JNIEnv* env = self->getJavaEnv();

JavaScope javaScope(env);

int argsStart = 0;

int argsEnd = args.Length();

// arguments

ARGS_FRONT_CLASSNAME();

ARGS_FRONT_STRING(fieldName);

// argument - new value

if(args.Length() < argsStart+1) {

std::ostringstream errStr;

errStr << "setStaticFieldValue requires " << (argsStart+1) << " arguments";

return ThrowException(v8::Exception::TypeError(v8::String::New(errStr.str().c_str())));

}

jobject newValue = v8ToJava(env, args[argsStart]);

argsStart++;

UNUSED_VARIABLE(argsEnd);

// find the class

jclass clazz = javaFindClass(env, className);

if(clazz == NULL) {

std::ostringstream errStr;

errStr << "Could not create class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

// get the field

jobject field = javaFindField(env, clazz, fieldName);

if(field == NULL) {

std::ostringstream errStr;

errStr << "Could not find field " << fieldName.c_str() << " on class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

jclass fieldClazz = env->FindClass("java/lang/reflect/Field");

jmethodID field_set = env->GetMethodID(fieldClazz, "set", "(Ljava/lang/Object;Ljava/lang/Object;)V");

//printf("newValue: %s\n", javaObjectToString(env, newValue).c_str());

// set field value

env->CallObjectMethod(field, field_set, NULL, newValue);

if(env->ExceptionOccurred()) {

std::ostringstream errStr;

errStr << "Could not set field " << fieldName.c_str() << " on class " << className.c_str();

return ThrowException(javaExceptionToV8(env, errStr.str()));

}

return v8::Undefined();

}

void EIO_CallJs(uv_work_t* req) {

}

void EIO_AfterCallJs(uv_work_t* req) {

DynamicProxyData* dynamicProxyData = static_cast<DynamicProxyData*>(req->data);

if(!dynamicProxyDataVerify(dynamicProxyData)) {

return;

}

dynamicProxyData->result = NULL;

JNIEnv* env = dynamicProxyData->env;

v8::HandleScope scope;

v8::Array* v8Args;

v8::Function* fn;

v8::Handle<v8::Value>* argv;

int argc;

int i;

v8::Local<v8::Value> v8Result;

jobject javaResult;

v8::Local<v8::Value> fnObj = dynamicProxyData->functions->Get(v8::String::New(dynamicProxyData->methodName.c_str()));

if(fnObj->IsUndefined() || fnObj->IsNull()) {

printf("ERROR: Could not find method %s\n", dynamicProxyData->methodName.c_str());

goto CleanUp;

}

if(!fnObj->IsFunction()) {

printf("ERROR: %s is not a function.\n", dynamicProxyData->methodName.c_str());

goto CleanUp;

}

fn = v8::Function::Cast(*fnObj);

if(dynamicProxyData->args) {

v8Args = v8::Array::Cast(*javaArrayToV8(dynamicProxyData->java, env, dynamicProxyData->args));

argc = v8Args->Length();

} else {

argc = 0;

}

argv = new v8::Handle<v8::Value>[argc];

for(i=0; i<argc; i++) {

argv[i] = v8Args->Get(i);

}

v8Result = fn->Call(dynamicProxyData->functions, argc, argv);

delete[] argv;

if(!dynamicProxyDataVerify(dynamicProxyData)) {

return;

}

javaResult = v8ToJava(env, v8Result);

if(javaResult == NULL) {

dynamicProxyData->result = NULL;

dynamicProxyData->resultGlobalRef = NULL;

} else {

dynamicProxyData->result = javaResult;

dynamicProxyData->resultGlobalRef = env->NewGlobalRef(javaResult);

}

CleanUp:

dynamicProxyData->done = true;

}

JNIEXPORT jobject JNICALL Java_node_NodeDynamicProxyClass_callJs(JNIEnv *env, jobject src, jlong ptr, jobject method, jobjectArray args) {

long myThreadId = my_getThreadId();

DynamicProxyData* dynamicProxyData = (DynamicProxyData*)ptr;

dynamicProxyData->env = env;

dynamicProxyData->args = args;

dynamicProxyData->done = false;

dynamicProxyData->result = NULL;

dynamicProxyData->resultGlobalRef = NULL;

jclass methodClazz = env->FindClass("java/lang/reflect/Method");

jmethodID method_getName = env->GetMethodID(methodClazz, "getName", "()Ljava/lang/String;");

dynamicProxyData->methodName = javaObjectToString(env, env->CallObjectMethod(method, method_getName));

uv_work_t* req = new uv_work_t();

req->data = dynamicProxyData;

if(myThreadId == v8ThreadId) {

EIO_AfterCallJs(req);

} else {

uv_queue_work(uv_default_loop(), req, EIO_CallJs, EIO_AfterCallJs);

while(!dynamicProxyData->done) {

my_sleep(100);

}

if(!dynamicProxyDataVerify(dynamicProxyData)) {

return NULL;

}

if(dynamicProxyData->result) {

env->DeleteGlobalRef(dynamicProxyData->resultGlobalRef);

}

return dynamicProxyData->result;

}

node-java/src/java.cpp at master · balitax/node-java · GitHub

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