001    /* CRL.java --- Certificate Revocation List
002       Copyright (C) 1999 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010     
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package 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    */
053    public 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    }