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.anony.okhttp.sample; import com.squareup.okhttp.OkHttpClient; import com.squareup.okhttp.Request; import com.squareup.okhttp.Response; import java.io.IOException; public final class AccessHeaders { private final OkHttpClient client = new OkHttpClient(); public void run() throws Exception { Request request = new Request.Builder().url("https://api.github.com/repos/square/okhttp/issues") .header("User-Agent", "OkHttp Headers.java").addHeader("Accept", "application/json; q=0.5") .addHeader("Accept", "application/vnd.github.v3+json").build(); Response response = client.newCall(request).execute(); if (!response.isSuccessful()) throw new IOException("Unexpected code " + response); System.out.println("Server: " + response.header("Server")); System.out.println("Date: " + response.header("Date")); System.out.println("Vary: " + response.headers("Vary")); } public static void main(String... args) throws Exception { new AccessHeaders().run(); } }