/* CRL.java --- Certificate Revocation List
   Copyright (C) 1999 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.
 
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02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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permission to link this library with independent modules to produce an
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package java.security.cert;

/**
   Certificate Revocation List class for managing CRLs that
   have different formats but the same general use. They
   all serve as lists of revoked certificates and can
   be queried for a given certificate.
   
   Specialized CRLs extend this class.
   
   @author Mark Benvenuto
   
   @since JDK 1.2
*/
public abstract class CRL
{

  private String type;

  /**
     Creates a new CRL for the specified type. An example
     is "X.509".

     @param type the standard name for the CRL type. 
  */
  protected CRL(String type)
  {
    this.type = type;
  }

  /**
     Returns the CRL type.

     @return a string representing the CRL type
  */
  public final String getType()
  {
    return type;
  }

  /**
     Returns a string representing the CRL.

     @return a string representing the CRL.
  */
  public abstract String toString();

  /**
     Determines whether or not the specified Certificate
     is revoked.

     @param cert A certificate to check if it is revoked

     @return true if the certificate is revoked,
     false otherwise.	
  */
  public abstract boolean isRevoked(Certificate cert);


}