PlatformString::PlatformString(JNIEnv *env, jstring value) {
initialize();
if (env != NULL) {
const char* lvalue = env->GetStringUTFChars(value, JNI_FALSE);
if (lvalue == NULL || env->ExceptionCheck() == JNI_TRUE) {
throw JavaException();
}
if (lvalue != NULL) {
FLength = env->GetStringUTFLength(value);
if (env->ExceptionCheck() == JNI_TRUE) {
throw JavaException();
}
FData = new char[FLength + 1];
PlatformString::CopyString(FData, FLength + 1, lvalue);
env->ReleaseStringUTFChars(value, lvalue);
if (env->ExceptionCheck() == JNI_TRUE) {
throw JavaException();
}
}
}
}
void JavaStringArray::SetValue(jsize Index, jstring Item) {
FEnv->SetObjectArrayElement(FData, Index, Item);
if (FEnv->ExceptionCheck() == JNI_TRUE) {
throw JavaException(FEnv, _T("Error"));
}
}
JavaClass::~JavaClass() {
FEnv->DeleteLocalRef(FClass);
if (FEnv->ExceptionCheck() == JNI_TRUE) {
throw JavaException(FEnv, _T("Error"));
}
}
void check_java_exception(JNIEnv *env) {
jthrowable object = env->ExceptionOccurred();
if (object) {
env->ExceptionClear();
throw JavaException(object);
}
}
void JavaStringArray::Initialize(size_t Size) {
JavaClass jstringClass(FEnv, _T("java/lang/String"));
if (FEnv->ExceptionCheck() == JNI_TRUE) {
Messages& messages = Messages::GetInstance();
TString message = messages.GetMessage(CLASS_NOT_FOUND);
message = PlatformString::Format(message, _T("String"));
throw JavaException(FEnv, message.data());
}
jstring str = PlatformString("").toJString(FEnv);
FData = (jobjectArray)FEnv->NewObjectArray((jsize)Size, jstringClass, str);
if (FEnv->ExceptionCheck() == JNI_TRUE) {
throw JavaException(FEnv, _T("Error"));
}
}
unsigned int JavaStringArray::Count() {
unsigned int result = FEnv->GetArrayLength(FData);
if (FEnv->ExceptionCheck() == JNI_TRUE) {
throw JavaException(FEnv, _T("Error"));
}
return result;
}
jstring JavaStringArray::GetValue(jsize Index) {
jstring result = (jstring)FEnv->GetObjectArrayElement(FData, Index);
if (FEnv->ExceptionCheck() == JNI_TRUE) {
throw JavaException(FEnv, _T("Error"));
}
return result;
}
void JavaMethod::CallVoidMethod(int Count, ...) {
va_list args;
va_start(args, Count);
FEnv->CallVoidMethodV(FObj, FMethod, args);
va_end(args);
if (FEnv->ExceptionCheck() == JNI_TRUE) {
Messages& messages = Messages::GetInstance();
throw JavaException(FEnv, messages.GetMessage(ERROR_INVOKING_METHOD));
}
}
JavaStaticMethod JavaClass::GetStaticMethod(TString Name, TString Signature) {
jmethodID method = FEnv->GetStaticMethodID(FClass, PlatformString(Name), PlatformString(Signature));
if (method == NULL || FEnv->ExceptionCheck() == JNI_TRUE) {
Messages& messages = Messages::GetInstance();
TString message = messages.GetMessage(METHOD_NOT_FOUND);
message = PlatformString::Format(message, Name.data(), FClassName.data());
throw JavaException(FEnv, message);
}
return JavaStaticMethod(FEnv, FClass, method);
}
JavaClass::JavaClass(JNIEnv *Env, TString Name) {
FEnv = Env;
FClassName = Name;
FClass = FEnv->FindClass(PlatformString(FClassName));
if (FClass == NULL || FEnv->ExceptionCheck() == JNI_TRUE) {
Messages& messages = Messages::GetInstance();
TString message = messages.GetMessage(CLASS_NOT_FOUND);
message = PlatformString::Format(message, FClassName.data());
throw JavaException(FEnv, message);
}
}
jstring PlatformString::toJString(JNIEnv *env) {
jstring result = NULL;
if (env != NULL) {
result = env->NewStringUTF(c_str());
if (result == NULL || env->ExceptionCheck() == JNI_TRUE) {
throw JavaException();
}
}
return result;
}
const Env & HiddenFunctions::CheckJavaExcFunc(const Env & env) {
if (env->ExceptionCheck())
throw JavaException(env);
return env;
}
const Env & HiddenFunctions::CheckJavaExcFunc(const Env & env, PCSTR file, size_t line, PCSTR func) {
if (env->ExceptionCheck())
throw JavaException(env, file, line, func);
return env;
}
inline void checkException(JNIEnv* env)
{
if (env->ExceptionOccurred())
throw JavaException();
}
AdblockPlus::ServerResponse AndroidWebRequest::GET(
const std::string& url, const AdblockPlus::HeaderList& requestHeaders) const
{
JNIEnv* jniEnv = NULL;
int stat = globalJvm->GetEnv((void **)&jniEnv, JNI_VERSION_1_6);
if (stat == JNI_EDETACHED)
{
if (globalJvm->AttachCurrentThread(&jniEnv, NULL) != 0)
throw std::runtime_error("Failed to get JNI environment");
}
AdblockPlus::ServerResponse result;
try
{
// URL jUrl = new URL(url)
jstring jUrlStr = jniEnv->NewStringUTF(url.c_str());
jobject jUrl = jniEnv->NewObject(jUrlClass, jUrlConstructorID, jUrlStr);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
jniEnv->DeleteLocalRef(jUrlStr);
// HttpURLConnection connection = (HttpURLConnection) jUrl.openConnection();
jobject jConnection = jniEnv->CallObjectMethod(jUrl, jUrlOpenConnectionID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
// connection.setRequestMethod("GET");
jstring jMethod = jniEnv->NewStringUTF("GET");
jniEnv->CallVoidMethod(jConnection, jConnectionSetMethodID, jMethod);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
jniEnv->DeleteLocalRef(jMethod);
for (int i = 0; i < requestHeaders.size(); i++)
{
// connection.setRequestProperty(requestHeaders[i].first, requestHeaders[i].second);
jstring jHeader = jniEnv->NewStringUTF(requestHeaders[i].first.c_str());
jstring jValue = jniEnv->NewStringUTF(requestHeaders[i].second.c_str());
jniEnv->CallVoidMethod(jConnection, jConnectionSetRequestPropertyID, jHeader, jValue);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
jniEnv->DeleteLocalRef(jHeader);
jniEnv->DeleteLocalRef(jValue);
}
// connection.connect();
jniEnv->CallVoidMethod(jConnection, jConnectionConnectID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
// int lenghtOfFile = connection.getContentLength();
jint lenghtOfFile = jniEnv->CallIntMethod(jConnection, jConnectionGetContentLengthID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
D(D_WARN, "Size: %d", lenghtOfFile);
// result.responseStatus = connection.getResponseCode();
result.responseStatus = jniEnv->CallIntMethod(jConnection, jConnectionGetResponseCodeID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
/* Read response data */
// String jEncoding = connection.getContentEncoding();
jstring jEncoding = (jstring) jniEnv->CallObjectMethod(jConnection, jConnectionGetContentEncodingID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
if (jEncoding == NULL)
jEncoding = jniEnv->NewStringUTF("utf-8");
// InputStream jis = connection.getInputStream();
jobject jis = jniEnv->CallObjectMethod(jConnection, jConnectionGetInputStreamID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
// InputStreamReader jisr = new InputStreamReader(jis, jEncoding);
jobject jisr = jniEnv->NewObject(jInputStreamReaderClass, jInputStreamReaderConstructorID, jis, jEncoding);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
jniEnv->DeleteLocalRef(jEncoding);
// BufferedReader jin = new BufferedReader(jisr);
jobject jin = jniEnv->NewObject(jBufferedReaderClass, jBufferedReaderConstructorID, jisr);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
// char[] jBuffer = new char[0x10000];
jcharArray jBuffer = jniEnv->NewCharArray(0x10000);
// StringBuilder jout = new StringBuilder();
jobject jout = jniEnv->NewObject(jStringBuilderClass, jStringBuilderConstructorID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
jlong total = 0;
jint read;
jint jBufferLength = (jint) jniEnv->GetArrayLength(jBuffer);
do
{
// read = jin.read(buffer, 0, buffer.length);
read = jniEnv->CallIntMethod(jin, jBufferedReaderReadID, jBuffer, 0, jBufferLength);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
if (read > 0)
{
// jout.append(buffer, 0, read);
jniEnv->CallObjectMethod(jout, jStringBuilderAppendID, jBuffer, 0, jBufferLength);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
total += read;
}
}
while (read >= 0);
// String jData = out.toString();
jstring jData = (jstring) jniEnv->CallObjectMethod(jout, jStringBuilderToStringID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
result.responseText = GetString(jniEnv, jData);
// jin.close();
jniEnv->CallVoidMethod(jin, jBufferedReaderCloseID);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
jint i = 0;
while (true)
{
// String jHeaderName = connection.getHeaderFieldKey(i)
jstring jHeaderName = (jstring) jniEnv->CallObjectMethod(jConnection, jConnectionGetHeaderFieldKeyID, i);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
// String jHeaderValue = connection.getHeaderField(i)
jstring jHeaderValue = (jstring) jniEnv->CallObjectMethod(jConnection, jConnectionGetHeaderFieldID, i);
if (jniEnv->ExceptionCheck())
throw JavaException(jniEnv);
if (!jHeaderValue)
break;
std::string headerName = GetString(jniEnv, jHeaderName);
std::string headerValue = GetString(jniEnv, jHeaderValue);
headerName = TrimString(headerName);
headerValue = TrimString(headerValue);
std::transform(headerName.begin(), headerName.end(), headerName.begin(), ::tolower);
result.responseHeaders.push_back(std::pair<std::string, std::string>(headerName, headerValue));
i++;
}
D(D_WARN, "Finished downloading");
result.status = NS_OK;
}
catch(JavaException& e)
{
result.responseStatus = 0;
result.status = ExceptionToStatus(e);
D(D_ERROR, "%s", e.what());
}
catch (const std::exception& e)
{
D(D_ERROR, "Exception: %s", e.what());
result.status = AdblockPlus::DefaultWebRequest::NS_ERROR_FAILURE;
}
catch (...)
{
D(D_ERROR, "Unknown exception");
result.status = AdblockPlus::DefaultWebRequest::NS_ERROR_FAILURE;
}
if (stat == JNI_EDETACHED)
globalJvm->DetachCurrentThread();
return result;
}
