001/* CRL.java --- Certificate Revocation List
002   Copyright (C) 1999 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package java.security.cert;
040
041/**
042   Certificate Revocation List class for managing CRLs that
043   have different formats but the same general use. They
044   all serve as lists of revoked certificates and can
045   be queried for a given certificate.
046
047   Specialized CRLs extend this class.
048
049   @author Mark Benvenuto
050
051   @since JDK 1.2
052*/
053public abstract class CRL
054{
055
056  private String type;
057
058  /**
059     Creates a new CRL for the specified type. An example
060     is "X.509".
061
062     @param type the standard name for the CRL type.
063  */
064  protected CRL(String type)
065  {
066    this.type = type;
067  }
068
069  /**
070     Returns the CRL type.
071
072     @return a string representing the CRL type
073  */
074  public final String getType()
075  {
076    return type;
077  }
078
079  /**
080     Returns a string representing the CRL.
081
082     @return a string representing the CRL.
083  */
084  public abstract String toString();
085
086  /**
087     Determines whether or not the specified Certificate
088     is revoked.
089
090     @param cert A certificate to check if it is revoked
091
092     @return true if the certificate is revoked,
093     false otherwise.
094  */
095  public abstract boolean isRevoked(Certificate cert);
096
097
098}