package at.gv.egovernment.moa.spss.server.iaik.config;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import iaik.logging.LoggerConfig;
import iaik.pki.PKIConfiguration;
import iaik.server.ConfigurationData;

import at.gv.egovernment.moa.spss.server.config.HardwareCryptoModule;
import at.gv.egovernment.moa.spss.server.config.HardwareKeyModule;
import at.gv.egovernment.moa.spss.server.config.ConfigurationProvider;
import at.gv.egovernment.moa.spss.server.config.SoftwareKeyModule;

/**
 * An implementation of the <code>ConfigurationData</code> interface using
 * MOA configuration data.
 * 
 * @see iaik.server.ConfigurationData
 * @author Patrick Peck
 * @version $Id$
 */
public class ConfigurationDataImpl implements ConfigurationData {
  /** PKI configuration data. */
  private PKIConfiguration pkiConfiguration;
  /** Crypto modules configuration data. */
  private List cryptoModuleConfigurations;
  /** Key modules configuration data. */
  private List keyModuleConfigurations;
  /** Logging configuration data. */
  private LoggerConfig loggerConfig;

  /**
   * Create a new <code>ConfigurationDataImpl</code>.
   * 
   * @param config The underlying MOA configuration data.
   */
  public ConfigurationDataImpl(ConfigurationProvider config) {
    this.pkiConfiguration = new PKIConfigurationImpl(config);
    this.cryptoModuleConfigurations = buildCryptoModuleConfigurations(config);
    this.keyModuleConfigurations = buildKeyModuleConfigurations(config);
    this.loggerConfig = new LoggerConfigImpl();
  }

  /**
   * Build the list of <code>CryptoModuleConfiguration</code>s.
   * 
   * @param config The underlying MOA configuration data.
   * @return The list of <code>CryptoModuleConfiguration</code>s configured in
   * the MOA configuration.
   */
  private List buildCryptoModuleConfigurations(ConfigurationProvider config) {
    List modules = new ArrayList();
    Iterator iter = config.getHardwareCryptoModules().iterator();
    
    while (iter.hasNext()) {
      HardwareCryptoModule module = (HardwareCryptoModule) iter.next();
      modules.add(new HardwareCryptoModuleConfigurationImpl(module));
    }
    
    return modules;
  }
  
  /**
   * Build the list of <code>KeyModuleConfiguration</code>s.
   * 
   * @param config The underlying MOA configuration data.
   * @return The list of <code>KeyModuleConfiguration</code>s configured in the
   * MOA configuration.
   */
  private List buildKeyModuleConfigurations(ConfigurationProvider config) {
    List keys = new ArrayList();
    Iterator iter;
    
    // add the hardware keys
    iter = config.getHardwareKeyModules().iterator();
    while (iter.hasNext()) {
      HardwareKeyModule key = (HardwareKeyModule) iter.next();
      keys.add(new HardwareKeyModuleConfigurationImpl(key));
    }
    
    // add the software keys
    iter = config.getSoftwareKeyModules().iterator();
    while (iter.hasNext()) {
      SoftwareKeyModule key = (SoftwareKeyModule) iter.next();
      keys.add(new SoftwareKeyModuleConfigurationImpl(key));
    }
    
    return keys;
  }

  /**
   * @see iaik.server.ConfigurationData#getPKIConfiguration()
   */
  public PKIConfiguration getPKIConfiguration() {
    return pkiConfiguration;
  }

  /**
   * @see iaik.server.ConfigurationData#getCryptoModuleConfigurations()
   */
  public List getCryptoModuleConfigurations() {
    return cryptoModuleConfigurations;
  }

  /**
   * @see iaik.server.ConfigurationData#getKeyModuleConfigurations()
   */
  public List getKeyModuleConfigurations() {
    return keyModuleConfigurations;
  }

  /**
   * @see iaik.server.ConfigurationData#getLoggerConfig()
   */
  public LoggerConfig getLoggerConfig() {
    return loggerConfig;
  }

}