1 /* 2 * Copyright (C) 2017 The Android Open Source Project 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.android.volley.toolbox; 17 18 import com.android.volley.AuthFailureError; 19 import com.android.volley.Header; 20 import com.android.volley.Request; 21 import java.io.IOException; 22 import java.net.SocketTimeoutException; 23 import java.util.ArrayList; 24 import java.util.List; 25 import java.util.Map; 26 import org.apache.http.conn.ConnectTimeoutException; 27 28 /** 29 * {@link BaseHttpStack} implementation wrapping a {@link HttpStack}. 30 * 31 * <p>{@link BasicNetwork} uses this if it is provided a {@link HttpStack} at construction time, 32 * allowing it to have one implementation based atop {@link BaseHttpStack}. 33 */ 34 @SuppressWarnings("deprecation") 35 class AdaptedHttpStack extends BaseHttpStack { 36 37 private final HttpStack mHttpStack; 38 39 AdaptedHttpStack(HttpStack httpStack) { 40 mHttpStack = httpStack; 41 } 42 43 @Override 44 public HttpResponse executeRequest(Request<?> request, Map<String, String> additionalHeaders) 45 throws IOException, AuthFailureError { 46 org.apache.http.HttpResponse apacheResp; 47 try { 48 apacheResp = mHttpStack.performRequest(request, additionalHeaders); 49 } catch (ConnectTimeoutException e) { 50 // BasicNetwork won't know that this exception should be retried like a timeout, since 51 // it's an Apache-specific error, so wrap it in a standard timeout exception. 52 throw new SocketTimeoutException(e.getMessage()); 53 } 54 55 int statusCode = apacheResp.getStatusLine().getStatusCode(); 56 57 org.apache.http.Header[] headers = apacheResp.getAllHeaders(); 58 List<Header> headerList = new ArrayList<>(headers.length); 59 for (org.apache.http.Header header : headers) { 60 headerList.add(new Header(header.getName(), header.getValue())); 61 } 62 63 if (apacheResp.getEntity() == null) { 64 return new HttpResponse(statusCode, headerList); 65 } 66 67 long contentLength = apacheResp.getEntity().getContentLength(); 68 if ((int) contentLength != contentLength) { 69 throw new IOException("Response too large: " + contentLength); 70 } 71 72 return new HttpResponse( 73 statusCode, 74 headerList, 75 (int) apacheResp.getEntity().getContentLength(), 76 apacheResp.getEntity().getContent()); 77 } 78 } 79
