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.Header; 19 20 import java.io.InputStream; 21 import java.util.Collections; 22 import java.util.List; 23 24 /** A response from an HTTP server. */ 25 public final class HttpResponse { 26 27 private final int mStatusCode; 28 private final List<Header> mHeaders; 29 private final int mContentLength; 30 private final InputStream mContent; 31 32 /** 33 * Construct a new HttpResponse for an empty response body. 34 * 35 * @param statusCode the HTTP status code of the response 36 * @param headers the response headers 37 */ 38 public HttpResponse(int statusCode, List<Header> headers) { 39 this(statusCode, headers, -1 /* contentLength */, null /* content */); 40 } 41 42 /** 43 * Construct a new HttpResponse. 44 * 45 * @param statusCode the HTTP status code of the response 46 * @param headers the response headers 47 * @param contentLength the length of the response content. Ignored if there is no content. 48 * @param content an {@link InputStream} of the response content. May be null to indicate that 49 * the response has no content. 50 */ 51 public HttpResponse( 52 int statusCode, List<Header> headers, int contentLength, InputStream content) { 53 mStatusCode = statusCode; 54 mHeaders = headers; 55 mContentLength = contentLength; 56 mContent = content; 57 } 58 59 /** Returns the HTTP status code of the response. */ 60 public final int getStatusCode() { 61 return mStatusCode; 62 } 63 64 /** Returns the response headers. Must not be mutated directly. */ 65 public final List<Header> getHeaders() { 66 return Collections.unmodifiableList(mHeaders); 67 } 68 69 /** Returns the length of the content. Only valid if {@link #getContent} is non-null. */ 70 public final int getContentLength() { 71 return mContentLength; 72 } 73 74 /** 75 * Returns an {@link InputStream} of the response content. May be null to indicate that the 76 * response has no content. 77 */ 78 public final InputStream getContent() { 79 return mContent; 80 } 81 } 82
