package at.gv.egovernment.moa.spss.server.iaik.pki.revocation;

import java.security.cert.X509Certificate;

import iaik.pki.revocation.RevocationProfile;
import iaik.pki.revocation.RevocationSourceTypes;

import at.gv.egovernment.moa.spss.server.config.ConfigurationProvider;

/**
 * An implementation of the <code>RevocationProfile</code> interface providing
 * information about revocation status checking, based on MOA configuration
 * data.
 * 
 * @author Patrick Peck
 * @version $Id$
 */
public class RevocationProfileImpl implements RevocationProfile {
  /** The default service order. */
  private static final String[] DEFAULT_SERVICE_ORDER =
    { RevocationSourceTypes.OCSP, RevocationSourceTypes.CRL };
  /** The <code>ConfigurationProvider</code> to read the MOA configuration data
   * from. */
  private ConfigurationProvider config;
  /** The OCSP request hash algorithm. Currently only "SHA" is supported. */
  private static final String oCSPRequestHashAlgorithm = "SHA";

  /**
   * Create a new <code>RevocationProfileImpl</code>.
   * 
   * @param config The MOA configuration data.
   */
  public RevocationProfileImpl(ConfigurationProvider config) {
    this.config = config;
    // currently only "SHA" is supported
//    this.oCSPRequestHashAlgorithm = "";
  }

  /**
   * @see iaik.pki.revocation.RevocationProfile#getMaxRevocationAge(String)
   */
  public long getMaxRevocationAge(String distributionPointUri) 
  {
    return config.getMaxRevocationAge();
  }

  /**
   * @see iaik.pki.revocation.RevocationProfile#getOCSPRequestHashAlgorithm()
   */
  public String getOCSPRequestHashAlgorithm() {
    return oCSPRequestHashAlgorithm;
  }

  /**
   * @see iaik.pki.revocation.RevocationProfile#getPreferredServiceOrder(java.security.cert.X509Certificate)
   */
  public String[] getPreferredServiceOrder(X509Certificate cert) 
  {
    String[] serviceOrder = config.getServiceOrder();
    if (serviceOrder == null || serviceOrder.length == 0) return DEFAULT_SERVICE_ORDER; 
    return serviceOrder;
  }

}