/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.transport.amqp.client.sasl;

import java.util.HashMap;
import java.util.Map;

/**
 * Base class for SASL Authentication Mechanism that implements the basic
 * methods of a Mechanism class.
 */
public abstract class AbstractMechanism implements Mechanism {

   protected static final byte[] EMPTY = new byte[0];

   private String username;
   private String password;
   private String authzid;
   private Map<String, Object> properties = new HashMap<>();

   @Override
   public int compareTo(Mechanism other) {

      if (getPriority() < other.getPriority()) {
         return -1;
      } else if (getPriority() > other.getPriority()) {
         return 1;
      }

      return 0;
   }

   @Override
   public void setUsername(String value) {
      this.username = value;
   }

   @Override
   public String getUsername() {
      return username;
   }

   @Override
   public void setPassword(String value) {
      this.password = value;
   }

   @Override
   public String getPassword() {
      return this.password;
   }

   @Override
   public void setProperties(Map<String, Object> properties) {
      this.properties = properties;
   }

   @Override
   public Map<String, Object> getProperties() {
      return this.properties;
   }

   @Override
   public String toString() {
      return "SASL-" + getName();
   }

   @Override
   public String getAuthzid() {
      return authzid;
   }

   @Override
   public void setAuthzid(String authzid) {
      this.authzid = authzid;
   }

   @Override
   public boolean isApplicable(String username, String password) {
      return true;
   }
}
