Java tutorial
/* * Copyright (C) 2014 Square, 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 com.squareup.okhttp; import java.io.IOException; /** * Observes, modifies, and potentially short-circuits requests going out and the corresponding * requests coming back in. Typically interceptors will be used to add, remove, or transform headers * on the request or response. */ public interface Interceptor { Response intercept(Chain chain) throws IOException; interface Chain { Request request(); Response proceed(Request request) throws IOException; Connection connection(); } }