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

import java.security.cert.X509Certificate;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import iaik.pki.revocation.RevocationConfiguration;

import at.gv.egovernment.moa.util.BoolUtils;

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

/**
 * An implementation of the <code>RevocationConfiguration</code> interface using
 * MOA configuration data.
 * 
 * @see iaik.pki.revocation.RevocationConfiguration
 * @author Patrick Peck
 * @version $Id$
 */
public class RevocationConfigurationImpl
  extends AbstractObservableConfiguration
  implements RevocationConfiguration {

  /** The <code>ConfigurationProvider</code> to read the configuration data
   * from. */
  private ConfigurationProvider config;

  /**
   * Create a new <code>RevocationConfigurationImpl</code>.
   * 
   * @param config The underlying MOA configuration containing the configuration
   * data.
   */
  public RevocationConfigurationImpl(ConfigurationProvider config) {
    this.config = config;
  }

  /**
   * @see iaik.pki.revocation.RevocationConfiguration#getAlternativeDistributionPoints(java.security.cert.X509Certificate, java.util.Date)
   */
  public Set getAlternativeDistributionPoints(
    X509Certificate cert,
    Date date) {

    Set configuredPoints = config.getCRLDP(cert);
    Set distributionPoints = new HashSet();
    Iterator iter;

    for (iter = configuredPoints.iterator(); iter.hasNext();) {
      DistributionPoint dp = (DistributionPoint) iter.next();
      distributionPoints.add(new CRLDistributionPointAdapter(dp));
    }

    return distributionPoints;
  }

  /**
   * @see iaik.pki.revocation.RevocationConfiguration#archiveRevocationInfo(java.lang.String, java.lang.String)
   */
  public boolean archiveRevocationInfo(String type, String uri) {
    String info =
      config.getGenericConfiguration(
        ConfigurationProvider.ARCHIVE_REVOCATION_INFO_PROPERTY,
        "false");
    
    return info != null ? BoolUtils.valueOf(info) : false;
  }

}