Source for gnu.javax.crypto.sasl.AuthInfoProviderFactory

   1: /* AuthInfoProviderFactory.java --
   2:    Copyright (C) 2003, 2006 Free Software Foundation, Inc.
   3: 
   4: This file is a part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2 of the License, or (at
   9: your option) any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; if not, write to the Free Software
  18: Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
  19: USA
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version.  */
  37: 
  38: 
  39: package gnu.javax.crypto.sasl;
  40: 
  41: import gnu.java.security.Registry;
  42: import gnu.javax.crypto.sasl.crammd5.CramMD5AuthInfoProvider;
  43: import gnu.javax.crypto.sasl.plain.PlainAuthInfoProvider;
  44: import gnu.javax.crypto.sasl.srp.SRPAuthInfoProvider;
  45: 
  46: /**
  47:  * The concrete SASL authentication information provider factory.
  48:  */
  49: public class AuthInfoProviderFactory
  50:     implements IAuthInfoProviderFactory
  51: {
  52:   // implicit 0-args constructor
  53: 
  54:   public IAuthInfoProvider getInstance(String mechanism)
  55:   {
  56:     if (mechanism == null)
  57:       return null;
  58:     mechanism = mechanism.trim().toUpperCase();
  59:     if (mechanism.startsWith(Registry.SASL_SRP_MECHANISM))
  60:       return new SRPAuthInfoProvider();
  61:     if (mechanism.equals(Registry.SASL_CRAM_MD5_MECHANISM))
  62:       return new CramMD5AuthInfoProvider();
  63:     if (mechanism.equals(Registry.SASL_PLAIN_MECHANISM))
  64:       return new PlainAuthInfoProvider();
  65:     return null;
  66:   }
  67: }