001/** 002 * 003 * Copyright the original author or authors 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack.sasl.core; 018 019import javax.security.auth.callback.CallbackHandler; 020 021import org.jivesoftware.smack.SmackException; 022import org.jivesoftware.smack.sasl.SASLMechanism; 023 024/** 025 * Implementation of the SASL ANONYMOUS mechanism. 026 * 027 * @author Jay Kline 028 */ 029public class SASLAnonymous extends SASLMechanism { 030 031 public static final String NAME = "ANONYMOUS"; 032 033 @Override 034 public String getName() { 035 return NAME; 036 } 037 038 @Override 039 public int getPriority() { 040 return 500; 041 } 042 043 @Override 044 protected void authenticateInternal(CallbackHandler cbh) 045 throws SmackException { 046 // Nothing to do here 047 } 048 049 @Override 050 protected byte[] getAuthenticationText() throws SmackException { 051 // ANONYMOUS has no initial response, return null 052 return null; 053 } 054 055 @Override 056 public SASLAnonymous newInstance() { 057 return new SASLAnonymous(); 058 } 059 060 @Override 061 public void checkIfSuccessfulOrThrow() throws SmackException { 062 // SASL Anonymous is always successful :) 063 } 064 065}