CTK/Libs/Core/PluginFramework/ctkPluginManager.cxx

/*
 * ctkPluginManager.cxx
 *
 *  Created on: Mar 11, 2010
 *      Author: zelzer
 */

#include "ctkPluginManager.h"

#include <QServiceManager>
#include <QDirIterator>
#include <QDebug>
#include <QLibrary>
#include <QApplication>

namespace ctk {

class PluginManagerPrivate
{
public:

  QList<QString> pluginPaths;
  QServiceManager serviceManager;
};

PluginManager::PluginManager()
: d_ptr(new PluginManagerPrivate())
{
  Q_D(PluginManager);

  QString libName("CTKCore");
  QLibrary lib(libName);
  QFileInfo fileInfo(libName);
  QString libBaseName(fileInfo.baseName());
  if (libBaseName.startsWith("lib"))
  {
    libBaseName.remove(0, 3);
  }
  qDebug() << libBaseName;
  lib.load();
  if (lib.isLoaded())
  {
    QString xyz = QString(":/") + libBaseName + "/servicedescriptor.xml";
    qDebug() << "resource string: " << xyz;
    QFile serviceDescriptor(xyz);
    qDebug() << "file exists: " << serviceDescriptor.exists();
    qDebug() << "open returns:" << serviceDescriptor.open(QIODevice::ReadOnly);
    qDebug() << "file open: " << serviceDescriptor.isOpen();
    qDebug() << "file is readable: " << serviceDescriptor.isReadable();
    //QByteArray serviceBA = serviceDescriptor.readAll();
    //qDebug() << serviceBA;
    qDebug() << "Service for " << libBaseName << " registered:" << d->serviceManager.addService(&serviceDescriptor);
    lib.unload();
  }
}

PluginManager::~PluginManager()
{
  Q_D(PluginManager);
  delete d;
}

QServiceManager* PluginManager::serviceManager()
{
  Q_D(PluginManager);
  return &(d->serviceManager);
}

void PluginManager::addSearchPath(const QString & searchPath)
{
  Q_D(PluginManager);
  d->pluginPaths.push_back(searchPath);
}

void PluginManager::startAllPlugins()
{
  Q_D(PluginManager);
  QDirIterator it(d->pluginPaths.front(), QDir::Files);
  if (it.hasNext())
  {
    qApp->addLibraryPath(d->pluginPaths.front());
  }
  while (it.hasNext()) {
       QString libName(it.next());
       QLibrary lib(libName);
       QFileInfo fileInfo(libName);
       QString libBaseName(fileInfo.baseName());
       if (libBaseName.startsWith("lib"))
       {
         libBaseName.remove(0, 3);
       }
       qDebug() << libBaseName;
       lib.load();
       if (lib.isLoaded())
       {
         QString xyz = QString(":/") + libBaseName + "/servicedescriptor.xml";
         qDebug() << "resource string: " << xyz;
         QFile serviceDescriptor(xyz);
         //qDebug() << "file exists: " << serviceDescriptor.exists();
         qDebug() << "open returns:" << serviceDescriptor.open(QIODevice::ReadOnly);
         qDebug() << "file open: " << serviceDescriptor.isOpen();
         qDebug() << "file is readable: " << serviceDescriptor.isReadable();
         //QByteArray serviceBA = serviceDescriptor.readAll();
         //qDebug() << serviceBA;
         qDebug() << "Service for " << libBaseName << " registered:" << d->serviceManager.addService(&serviceDescriptor);
         lib.unload();
       }
  }

}

}