1 /* 2 * Copyright (C) 2014 Square, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.squareup.okhttp.recipes; 17 18 import com.squareup.okhttp.Cache; 19 import com.squareup.okhttp.OkHttpClient; 20 import com.squareup.okhttp.Request; 21 import com.squareup.okhttp.Response; 22 import java.io.File; 23 import java.io.IOException; 24 25 public final class CacheResponse { 26 private final OkHttpClient client; 27 28 public CacheResponse(File cacheDirectory) throws Exception { 29 int cacheSize = 10 * 1024 * 1024; // 10 MiB 30 Cache cache = new Cache(cacheDirectory, cacheSize); 31 32 client = new OkHttpClient(); 33 client.setCache(cache); 34 } 35 36 public void run() throws Exception { 37 Request request = new Request.Builder() 38 .url("http://publicobject.com/helloworld.txt") 39 .build(); 40 41 Response response1 = client.newCall(request).execute(); 42 if (!response1.isSuccessful()) throw new IOException("Unexpected code " + response1); 43 44 String response1Body = response1.body().string(); 45 System.out.println("Response 1 response: " + response1); 46 System.out.println("Response 1 cache response: " + response1.cacheResponse()); 47 System.out.println("Response 1 network response: " + response1.networkResponse()); 48 49 Response response2 = client.newCall(request).execute(); 50 if (!response2.isSuccessful()) throw new IOException("Unexpected code " + response2); 51 52 String response2Body = response2.body().string(); 53 System.out.println("Response 2 response: " + response2); 54 System.out.println("Response 2 cache response: " + response2.cacheResponse()); 55 System.out.println("Response 2 network response: " + response2.networkResponse()); 56 57 System.out.println("Response 2 equals Response 1? " + response1Body.equals(response2Body)); 58 } 59 60 public static void main(String... args) throws Exception { 61 new CacheResponse(new File("CacheResponse.tmp")).run(); 62 } 63 } 64
