/**
* Gets the method id matching the given arguments.
*/
jmethodID JConstructor::getMethodID(const JClass& jClass, const JArguments& arguments)
{
// We cache the jmethodID locally, so if we've already found it,
// we don't need to go looking for it again.
if (mMethodID)
return mMethodID;
// If we don't already have the jmethodID, we need to determine
// the signature of this method.
// We construct this signature with a void return type,
// because the return type for constructors is void.
JSignature signature(JVoid::staticGetJavaJniClass());
typedef list<const JValue*> ValueList;
ValueList args = arguments.asList();
ValueList::iterator i = args.begin();
ValueList::iterator end = args.end();
for (; i != end; ++i)
{
const JValue* value = *i;
signature << value->getJavaJniClass();
}
string methodSignature = signature.toString();
// Now that we have the signature for the method, we could look
// in a global cache for the jmethodID corresponding to this method,
// but for now, we'll always find it.
JNIEnv* env = attach();
mMethodID = env->GetMethodID(jClass.getClass(), "<init>", methodSignature.c_str());
if (mMethodID == 0)
{
string msg = string("JConstructor::getMethodID(): ") +
"Unable to find constructor for " + jClass.getInternalName() +
" with signature " + methodSignature;
try
{
catchAndThrow();
}
catch (std::exception& e)
{
msg.append("\ncaused by:\n");
msg.append(e.what());
}
throw JNIException(msg);
}
return mMethodID;
}
Jvm::JField Jvm::findStaticField(const JClass& clazz, const std::string& name)
{
jfieldID id =
env->GetStaticFieldID(findClass(clazz),
name.c_str(),
clazz.signature().c_str());
return Jvm::JField(clazz, id);
}
void JavaUpload::globalInit()
{
if (!JVM::JVMAvailable())
return;
// locate Java plugins
try
{
JUploadPlugin::registerNatives();
JClass helper("info.dolezel.fatrat.plugins.helpers.NativeHelpers");
JClass annotation("info.dolezel.fatrat.plugins.annotations.UploadPluginInfo");
JClass annConfigDialog("info.dolezel.fatrat.plugins.annotations.ConfigDialog");
QList<QVariant> args;
args << "info.dolezel.fatrat.plugins" << annotation.toVariant();
JArray arr = helper.callStatic("findAnnotatedClasses",
JSignature().addString().add("java.lang.Class").retA("java.lang.Class"),
args).value<JArray>();
qDebug() << "Found" << arr.size() << "annotated classes (UploadPluginInfo)";
int classes = arr.size();
for (int i = 0; i < classes; i++)
{
try
{
JClass obj = (jobject) arr.getObject(i);
JObject ann = obj.getAnnotation(annotation);
QString name = ann.call("name", JSignature().retString()).toString();
QString clsName = obj.getClassName();
JObject instance(obj, JSignature());
qDebug() << "Class name:" << clsName;
qDebug() << "Name:" << name;
JObject cfgDlg = obj.getAnnotation(annConfigDialog);
JavaEngine e = { "EXT - " + name.toStdString(), clsName.toStdString() };
if (!cfgDlg.isNull())
e.configDialog = cfgDlg.call("value", JSignature().retString()).toString();
if (instance.instanceOf("info.dolezel.fatrat.plugins.extra.URLAcceptableFilter"))
e.ownAcceptable = instance;
if (instance.instanceOf("info.dolezel.fatrat.plugins.listeners.ConfigListener"))
g_configListeners << instance;
m_engines[clsName] = e;
qDebug() << "createInstance of " << clsName;
EngineEntry entry;
entry.longName = m_engines[clsName].name.c_str();
entry.shortName = m_engines[clsName].shortName.c_str();
entry.lpfnAcceptable2 = JavaUpload::acceptable;
entry.lpfnCreate2 = JavaUpload::createInstance;
entry.lpfnInit = 0;
entry.lpfnExit = 0;
entry.lpfnMultiOptions = 0;
addTransferClass(entry, Transfer::Upload);
}
catch (const RuntimeException& e)
{
qDebug() << e.what();
}
}
}
catch (const RuntimeException& e)
{
qDebug() << e.what();
}
}
void JavaExtractor::globalInit()
{
try {
JClass helper("info.dolezel.fatrat.plugins.helpers.NativeHelpers");
JClass annotation("info.dolezel.fatrat.plugins.annotations.ExtractorPluginInfo");
JExtractorPlugin::registerNatives();
JArgs args;
args << "info.dolezel.fatrat.plugins" << annotation.toVariant();
JArray arr = helper.callStatic("findAnnotatedClasses",
JSignature().addString().add("java.lang.Class").retA("java.lang.Class"),
args).value<JArray>();
qDebug() << "Found" << arr.size() << "annotated classes (ExtractorPluginInfo)";
int classes = arr.size();
for (int i = 0; i < classes; i++)
{
try
{
JClass obj = (jobject) arr.getObject(i);
JObject ann = obj.getAnnotation(annotation);
QString regexp = ann.call("regexp", JSignature().retString()).toString();
QString name = ann.call("name", JSignature().retString()).toString();
QString targetClassName = ann.call("transferClassName", JSignature().retString()).toString();
QString clsName = obj.getClassName();
JObject instance(obj, JSignature());
if (targetClassName.isEmpty())
{
JClass cls = JClass(ann.call("transferClass", JSignature().ret("java.lang.Class")).value<JObject>());
if (!cls.isNull() && cls.getClassName() != "java.lang.Object")
targetClassName = cls.getClassName();
}
qDebug() << "Class name:" << clsName;
qDebug() << "Name:" << name;
qDebug() << "Regexp:" << regexp;
JavaEngine e = { "EXT - " + name.toStdString(), clsName.toStdString(), QRegExp(regexp) };
if (instance.instanceOf("info.dolezel.fatrat.plugins.extra.URLAcceptableFilter"))
e.ownAcceptable = instance;
if (instance.instanceOf("info.dolezel.fatrat.plugins.listeners.ConfigListener"))
g_configListeners << instance;
e.targetClass = targetClassName;
m_engines[clsName] = e;
EngineEntry entry;
entry.longName = m_engines[clsName].name.c_str();
entry.shortName = m_engines[clsName].shortName.c_str();
entry.lpfnAcceptable2 = JavaExtractor::acceptable;
entry.lpfnCreate2 = JavaExtractor::createInstance;
entry.lpfnInit = 0;
entry.lpfnExit = 0;
entry.lpfnMultiOptions = 0;
addTransferClass(entry, Transfer::Download);
}
catch (const RuntimeException& e)
{
qDebug() << e.what();
}
}
}
catch (const RuntimeException& e)
{
qDebug() << e.what();
}
}
JObject JClass::getAnnotation(JClass cls)
{
return toClassObject().call("getAnnotation",
JSignature().add("java.lang.Class").ret("java.lang.annotation.Annotation"),
JArgs() << cls.toVariant()).value<JObject>();
}
