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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.net.SocketTimeoutException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.conn.ConnectTimeoutException;
/**
* {@link BaseHttpStack} implementation wrapping a {@link HttpStack}.
*
* <p>{@link BasicNetwork} uses this if it is provided a {@link HttpStack} at construction time,
* allowing it to have one implementation based atop {@link BaseHttpStack}.
*/
@SuppressWarnings("deprecation")
class AdaptedHttpStack extends BaseHttpStack {
private final HttpStack mHttpStack;
AdaptedHttpStack(HttpStack httpStack) {
mHttpStack = httpStack;
}
@Override
public HttpResponse executeRequest(Request<?> request, Map<String, String> additionalHeaders)
throws IOException, AuthFailureError {
org.apache.http.HttpResponse apacheResp;
try {
apacheResp = mHttpStack.performRequest(request, additionalHeaders);
} catch (ConnectTimeoutException e) {
// BasicNetwork won't know that this exception should be retried like a timeout, since
// it's an Apache-specific error, so wrap it in a standard timeout exception.
throw new SocketTimeoutException(e.getMessage());
}
int statusCode = apacheResp.getStatusLine().getStatusCode();
org.apache.http.Header[] headers = apacheResp.getAllHeaders();
List<Header> headerList = new ArrayList<>(headers.length);
for (org.apache.http.Header header : headers) {
headerList.add(new Header(header.getName(), header.getValue()));
}
if (apacheResp.getEntity() == null) {
return new HttpResponse(statusCode, headerList);
}
long contentLength = apacheResp.getEntity().getContentLength();
if ((int) contentLength != contentLength) {
throw new IOException("Response too large: " + contentLength);
}
return new HttpResponse(
statusCode,
headerList,
(int) apacheResp.getEntity().getContentLength(),
apacheResp.getEntity().getContent());
}
}
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