001 /* StartTlsRequest.java -- extended ldap TLS request
002 Copyright (C) 2006 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 javax.naming.ldap;
040
041 import java.util.Iterator;
042
043 import gnu.classpath.ServiceFactory;
044
045 import javax.naming.NamingException;
046
047 /**
048 * @since 1.4
049 */
050 public class StartTlsRequest
051 implements ExtendedRequest
052 {
053 private static final long serialVersionUID = 4441679576360753397L;
054
055 /**
056 * The assigned object identifier for this response.
057 */
058 public static final String OID = "1.3.6.1.4.1.1466.20037";
059
060 /**
061 * Create a new instance.
062 */
063 public StartTlsRequest()
064 {
065 }
066
067 /**
068 * Return the response identifier. This is simply the value
069 * of the {@link #OID} field.
070 */
071 public String getID()
072 {
073 return OID;
074 }
075
076 /**
077 * Return the encoded value. This implementation always returns null.
078 */
079 public byte[] getEncodedValue()
080 {
081 return null;
082 }
083
084 /**
085 * Create a new extended reponse object, using the standard service
086 * provider approach to load a provider. The provider will be a subclass
087 * of StartTlsRequest with a no-argument constructor. The key is
088 * "javax.naming.ldap.StartTlsRequest".
089 * @param id the identifier, must be {@link #OID} or null
090 * @param berValue ignored
091 * @param offset ignored
092 * @param length ignored
093 * @throws NamingException if there is a problem creating the response
094 */
095 public ExtendedResponse createExtendedResponse(String id, byte[] berValue,
096 int offset, int length)
097 throws NamingException
098 {
099 if (id != null && ! OID.equals(id))
100 throw new NamingException("incorrect id: was \"" + id
101 + "\", but expected: \"" + OID + "\"");
102 Iterator it = ServiceFactory.lookupProviders(StartTlsRequest.class);
103 if (it.hasNext())
104 return (ExtendedResponse) it.next();
105 throw new NamingException("couldn't find provider for "
106 + "javax.naming.ldap.StartTlsRequest");
107 }
108 }