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/**
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * Licensed 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 io.fabric8.kubernetes.client.http;

import java.util.concurrent.Future;

/**
 * TODO: consider if after should return a {@link Future} rather
 * than be blocking
 */
public interface Interceptor {
  
  /**
   * Called before a request to allow for the manipulation of the request
   * @param builder used to modify the request
   * @param headers the current headers
   */
  default void before(BasicBuilder builder, HttpHeaders headers) {}
  
  /**
   * Called after a websocket failure or by default from a normal request
   * @param builder used to modify the request
   * @param response the failed response
   * @return true if the builder should be used to execute a new request
   */
  default boolean afterFailure(BasicBuilder builder, HttpResponse response) {
    return false;
  }
  
  /**
   * Called after a non-websocket failure
   * @param builder used to modify the request
   * @param response the failed response
   * @return true if the builder should be used to execute a new request
   */
  default boolean afterFailure(HttpRequest.Builder builder, HttpResponse response) {
    return afterFailure((BasicBuilder)builder, response);
  }

}