ConfigService.cpp

we have built Mantid with ParaView
@return True if paraview is available or not disabled.
*/
bool ConfigServiceImpl::pvPluginsAvailable() const {
  std::string pvpluginsDir = getString("pvplugins.directory");
  return !pvpluginsDir.empty();
}

/**
 * Gets the path to the ParaView plugins
 * @returns A string giving the directory of the ParaView plugins
 */
const std::string ConfigServiceImpl::getPVPluginsPath() const {
  return getString("pvplugins.directory");
}

/*
Gets the system proxy information
@url A url to match the proxy to
@return the proxy information.
*/
Kernel::ProxyInfo &ConfigServiceImpl::getProxy(const std::string &url) {
  if (!m_isProxySet) {
    // set the proxy
    // first check if the proxy is defined in the properties file
    std::string proxyHost;
    int proxyPort;
    if ((getValue("proxy.host", proxyHost) == 1) &&
        (getValue("proxy.port", proxyPort) == 1)) {
      // set it from the config values
      m_proxyInfo = ProxyInfo(proxyHost, proxyPort, true);
    } else {
      // get the system proxy
      Poco::URI uri(url);
      Mantid::Kernel::NetworkProxy proxyHelper;
      m_proxyInfo = proxyHelper.getHttpProxy(uri.toString());
    }
    m_isProxySet = true;
  }
  return m_proxyInfo;
}

/** Sets the log level priority for the File log channel
* @param logLevel the integer value of the log level to set, 1=Critical, 7=Debug
*/
void ConfigServiceImpl::setFileLogLevel(int logLevel) {
  setFilterChannelLogLevel(m_filterChannels[0], logLevel);
}
/** Sets the log level priority for the Console log channel
* @param logLevel the integer value of the log level to set, 1=Critical, 7=Debug
*/
void ConfigServiceImpl::setConsoleLogLevel(int logLevel) {
  setFilterChannelLogLevel(m_filterChannels[1], logLevel);
}

/** Sets the Log level for a filter channel
* @param filterChannelName the channel name of the filter channel to change
* @param logLevel the integer value of the log level to set, 1=Critical, 7=Debug
* @throws std::invalid_argument if the channel name is incorrect or it is not a
* filterChannel
*/
void ConfigServiceImpl::setFilterChannelLogLevel(
    const std::string &filterChannelName, int logLevel) {
  Poco::Channel *channel = nullptr;
  try {
    channel = Poco::LoggingRegistry::defaultRegistry().channelForName(
        filterChannelName);
  } catch (Poco::NotFoundException &) {
    throw std::invalid_argument(filterChannelName +
                                " not found in the Logging Registry");
  }

  auto *filterChannel = dynamic_cast<Poco::FilterChannel *>(channel);
  if (filterChannel) {
    filterChannel->setPriority(logLevel);
    int lowestLogLevel = FindLowestFilterLevel();
    // set root level if required
    int rootLevel = Poco::Logger::root().getLevel();
    if (rootLevel != lowestLogLevel) {
      Mantid::Kernel::Logger::setLevelForAll(lowestLogLevel);
    }
    g_log.log(filterChannelName + " log channel set to " +
                  Logger::PriorityNames[logLevel] + " priority",
              static_cast<Logger::Priority>(logLevel));
  } else {
    throw std::invalid_argument(filterChannelName +
                                " was not a filter channel");
  }
}

/** Finds the lowest Log level for all registered filter channels
*/
int ConfigServiceImpl::FindLowestFilterLevel() const {
  int lowestPriority = Logger::Priority::PRIO_FATAL;
  // Find the lowest level of all of the filter channels
  for (const auto &filterChannelName : m_filterChannels) {
    try {
      auto *channel = Poco::LoggingRegistry::defaultRegistry().channelForName(
          filterChannelName);
      auto *filterChannel = dynamic_cast<Poco::FilterChannel *>(channel);
      if (filterChannel) {
        int filterPriority = filterChannel->getPriority();
        if (filterPriority > lowestPriority) {
          lowestPriority = filterPriority;
        }
      }
    } catch (Poco::NotFoundException &) {
      g_log.warning(filterChannelName +
                    " registered log filter channel not found");
    }
  }

  return lowestPriority;
}

/// \cond TEMPLATE
template DLLExport int ConfigServiceImpl::getValue(const std::string &,
                                                   double &);
template DLLExport int ConfigServiceImpl::getValue(const std::string &,
                                                   std::string &);
template DLLExport int ConfigServiceImpl::getValue(const std::string &, int &);
template DLLExport int ConfigServiceImpl::getValue(const std::string &,
                                                   std::size_t &);
/// \endcond TEMPLATE

} // namespace Kernel
} // namespace Mantid