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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.android.volley.toolbox;
import com.android.volley.AuthFailureError;
import com.android.volley.Header;
import com.android.volley.Request;
import java.io.IOException;
import java.io.InputStream;
import java.net.SocketTimeoutException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.ProtocolVersion;
import org.apache.http.StatusLine;
import org.apache.http.entity.BasicHttpEntity;
import org.apache.http.message.BasicHeader;
import org.apache.http.message.BasicHttpResponse;
import org.apache.http.message.BasicStatusLine;
/** An HTTP stack abstraction. */
@SuppressWarnings("deprecation") // for HttpStack
public abstract class BaseHttpStack implements HttpStack {
/**
* Performs an HTTP request with the given parameters.
*
* <p>A GET request is sent if request.getPostBody() == null. A POST request is sent otherwise,
* and the Content-Type header is set to request.getPostBodyContentType().
*
* @param request the request to perform
* @param additionalHeaders additional headers to be sent together with {@link
* Request#getHeaders()}
* @return the {@link HttpResponse}
* @throws SocketTimeoutException if the request times out
* @throws IOException if another I/O error occurs during the request
* @throws AuthFailureError if an authentication failure occurs during the request
*/
public abstract HttpResponse executeRequest(
Request<?> request, Map<String, String> additionalHeaders)
throws IOException, AuthFailureError;
/**
* @deprecated use {@link #executeRequest} instead to avoid a dependency on the deprecated
* Apache HTTP library. Nothing in Volley's own source calls this method. However, since
* {@link BasicNetwork#mHttpStack} is exposed to subclasses, we provide this implementation
* in case legacy client apps are dependent on that field. This method may be removed in a
* future release of Volley.
*/
@Deprecated
@Override
public final org.apache.http.HttpResponse performRequest(
Request<?> request, Map<String, String> additionalHeaders)
throws IOException, AuthFailureError {
HttpResponse response = executeRequest(request, additionalHeaders);
ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
StatusLine statusLine =
new BasicStatusLine(
protocolVersion, response.getStatusCode(), /* reasonPhrase= */ "");
BasicHttpResponse apacheResponse = new BasicHttpResponse(statusLine);
List<org.apache.http.Header> headers = new ArrayList<>();
for (Header header : response.getHeaders()) {
headers.add(new BasicHeader(header.getName(), header.getValue()));
}
apacheResponse.setHeaders(headers.toArray(new org.apache.http.Header[0]));
InputStream responseStream = response.getContent();
if (responseStream != null) {
BasicHttpEntity entity = new BasicHttpEntity();
entity.setContent(responseStream);
entity.setContentLength(response.getContentLength());
apacheResponse.setEntity(entity);
}
return apacheResponse;
}
}
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