1 /*
   2  * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.security.cert;
  27 
  28 /**
  29  * A selector that defines a set of criteria for selecting {@code CRL}s.
  30  * Classes that implement this interface are often used to specify
  31  * which {@code CRL}s should be retrieved from a {@code CertStore}.
  32  * <p>
  33  * <b>Concurrent Access</b>
  34  * <p>
  35  * Unless otherwise specified, the methods defined in this interface are not
  36  * thread-safe. Multiple threads that need to access a single
  37  * object concurrently should synchronize amongst themselves and
  38  * provide the necessary locking. Multiple threads each manipulating
  39  * separate objects need not synchronize.
  40  *
  41  * @see CRL
  42  * @see CertStore
  43  * @see CertStore#getCRLs
  44  *
  45  * @author      Steve Hanna
  46  * @since       1.4
  47  */
  48 public interface CRLSelector extends Cloneable {
  49 
  50     /**
  51      * Decides whether a {@code CRL} should be selected.
  52      *
  53      * @param   crl     the {@code CRL} to be checked
  54      * @return  {@code true} if the {@code CRL} should be selected,
  55      * {@code false} otherwise
  56      */
  57     boolean match(CRL crl);
  58 
  59     /**
  60      * Makes a copy of this {@code CRLSelector}. Changes to the
  61      * copy will not affect the original and vice versa.
  62      *
  63      * @return a copy of this {@code CRLSelector}
  64      */
  65     Object clone();
  66 }