1 /*
2  * Copyright (C) 2011 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 
17 package com.android.volley.toolbox;
18 
19 import com.android.volley.AuthFailureError;
20 import com.android.volley.Request;
21 import java.io.IOException;
22 import java.util.Map;
23 import org.apache.http.HttpResponse;
24 
25 /**
26  * An HTTP stack abstraction.
27  *
28  * @deprecated This interface should be avoided as it depends on the deprecated Apache HTTP library.
29  *     Use {@link BaseHttpStack} to avoid this dependency. This class may be removed in a future
30  *     release of Volley.
31  */
32 @Deprecated
33 public interface HttpStack {
34     /**
35      * Performs an HTTP request with the given parameters.
36      *
37      * <p>A GET request is sent if request.getPostBody() == null. A POST request is sent otherwise,
38      * and the Content-Type header is set to request.getPostBodyContentType().
39      *
40      * @param request the request to perform
41      * @param additionalHeaders additional headers to be sent together with {@link
42      *     Request#getHeaders()}
43      * @return the HTTP response
44      */
performRequest(Request<?> request, Map<String, String> additionalHeaders)45     HttpResponse performRequest(Request<?> request, Map<String, String> additionalHeaders)
46             throws IOException, AuthFailureError;
47 }
48