QGlobalRWFactory.cc

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#include "QGlobalRWFactory.hh"
#include "QMessage.hh"
#include "QDll.hh"
#include "QGlobalReader.hh"
#include "QGlobalWriter.hh"
 
using namespace Diana;
 
QGlobalRWFactory& QGlobalRWFactory::GetInstance()
{
    static QGlobalRWFactory factory;
    return factory;
}
 
QGlobalRWFactory::QGlobalRWFactory() : QNamed("QGlobalRWFactory")
{
    fDLLLoader = &Diana::QDLLLoader::GetInstance();
    std::string pluginListFile = "plugins.list"; 
    QError err = fDLLLoader->Init(pluginListFile,std::string(Q_PLUGIN_PREFIX_STR));
    if(err!=QERR_SUCCESS) QMessageHandler::Panic(GetName(), std::string(err.ToString()) + " - " + err.GetDescription());
 
    // load external plugins
    pluginListFile = "diana_plugins_external.list";
    err = fDLLLoader->Init(pluginListFile,std::string(Q_PLUGIN_PREFIX_STR));
    if(err!=QERR_SUCCESS) QMessageHandler::Debug(GetName(), std::string(err.ToString()) + " - " + err.GetDescription());
}
 
QGlobalRWFactory::~QGlobalRWFactory()
{
    std::map<std::string, QGlobalReaderFactory*>::iterator GlobalReadersIter;
    std::map<std::string, QGlobalWriterFactory*>::iterator GlobalWritersIter;
    for(GlobalReadersIter = fGlobalReaders.begin(); GlobalReadersIter != fGlobalReaders.end(); GlobalReadersIter++)
       if(GlobalReadersIter->second) delete GlobalReadersIter->second;
   
    for(GlobalWritersIter = fGlobalWriters.begin(); GlobalWritersIter != fGlobalWriters.end(); GlobalWritersIter++)
       if(GlobalWritersIter->second) delete GlobalWritersIter->second;
   
}
 
void QGlobalRWFactory::LoadPlugin(const std::string& name)
{
    std::string fullName =  name;
    QError err = fDLLLoader->LoadPlugin(fullName);
    if(err!=QERR_SUCCESS) QMessageHandler::Error(GetName(), std::string(err.ToString()) + " - " + err.GetDescription());
}
 
// Global readers
void QGlobalRWFactory::RegisterGlobalReader(QGlobalReaderFactory* GRF)
{
    std::map<std::string, QGlobalReaderFactory*>::iterator iter;
    iter = fGlobalReaders.find(GRF->GetName());
    if(iter == fGlobalReaders.end()) {
        fGlobalReaders[GRF->GetName()] = GRF;
        QMessageHandler::Debug(GetName(), std::string("Registered g-reader: " + GRF->GetName()));
    } else {
        QMessageHandler::Debug(GetName(), std::string("Already registered: " + GRF->GetName()));
        delete GRF;
    }
}
 
 
std::list<const QGlobalReaderFactory*> QGlobalRWFactory::GetListOfGlobalReaders() const
{
    std::list<const QGlobalReaderFactory*> readersList;
    std::map<std::string, QGlobalReaderFactory*>::const_iterator iter;
    for(iter = fGlobalReaders.begin(); iter!=fGlobalReaders.end(); iter++)
        readersList.push_back(iter->second);
    return readersList;
}
 
QGlobalReader* QGlobalRWFactory::CreateGlobalReader(const std::string& name)
{
    std::map<std::string, QGlobalReaderFactory*>::iterator iter;
    iter = fGlobalReaders.find(name);
    if(iter!=fGlobalReaders.end() && iter->second != NULL) 
        return iter->second->Create();
    return NULL;
}
 
void QGlobalRWFactory::RegisterGlobalWriter(QGlobalWriterFactory* GRF)
{
    std::map<std::string, QGlobalWriterFactory*>::iterator iter;
    iter = fGlobalWriters.find(GRF->GetName());
    if(iter == fGlobalWriters.end()) {
        fGlobalWriters[GRF->GetName()] = GRF;
        QMessageHandler::Debug(GetName(), std::string("Registered g-writer: ") + GRF->GetName());
    } else {
        QMessageHandler::Debug(GetName(), std::string("Already registered: ") + GRF->GetName());
        delete GRF;
    }
}
 
// Global Writers
std::list<const QGlobalWriterFactory*> QGlobalRWFactory::GetListOfGlobalWriters() const
{
    std::list<const QGlobalWriterFactory*> readersList;
    std::map<std::string, QGlobalWriterFactory*>::const_iterator iter;
    for(iter = fGlobalWriters.begin(); iter!=fGlobalWriters.end(); iter++)
        readersList.push_back(iter->second);
    return readersList;
}
 
QGlobalWriter* QGlobalRWFactory::CreateGlobalWriter(const std::string& name)
{
    std::map<std::string, QGlobalWriterFactory*>::iterator iter;
    iter = fGlobalWriters.find(name);
    if(iter!=fGlobalWriters.end() && iter->second != NULL) 
        return iter->second->Create();
    return NULL;
}