api/authentication-server/endpoint/src/main/java/org/apache/servicecomb/authentication/server/TokenGranter.java

/*
 * 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.servicecomb.authentication.server;

import java.util.Map;

/**
 * Token granter is used to grant access tokens. 
 * @author Administrator
 *
 */
public interface TokenGranter {
  boolean enabled();

  String grantType();

  default Token grant(String grantType, Map<String, String> parameters) {
    if (grantType().equals(grantType)) {
      return grant(parameters);
    }
    return null;
  }

  Token grant(Map<String, String> parameters);
}