package at.gv.egovernment.moa.spss.server.init;

import at.gv.egovernment.moa.spss.MOAException;
import at.gv.egovernment.moa.spss.api.Configurator;
import at.gv.egovernment.moa.spss.server.config.ConfigurationException;
import at.gv.egovernment.moa.spss.server.config.ConfigurationProvider;
import at.gv.egovernment.moa.spss.server.iaik.config.IaikConfigurator;

/**
 * Default implementation of <code>Configurator</code>.
 * 
 * @author Patrick Peck
 * @version $Id$
 */
public class ConfiguratorImpl extends Configurator {
  /** whether the configuration has been initialized */
  private boolean initialized = false;

  public void init() throws MOAException {
    if (!initialized) {
      SystemInitializer.init();
      initialized = true;
    }
  }

  public void update() throws MOAException {
    if (!initialized) {
      return;
    }
    
    try {
      // reconfigure the system
      ConfigurationProvider config = ConfigurationProvider.reload();
      new IaikConfigurator().configure(config);
    } catch (MOAException e) {
      throw e;
    } catch (Throwable t) {
      throw new ConfigurationException("", null, t);
    }
  }

}