/*
 * Copyright (C) 2011 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.Request;
import java.io.IOException;
import java.util.Map;
import org.apache.http.HttpResponse;

/**
 * An HTTP stack abstraction.
 *
 * @deprecated This interface should be avoided as it depends on the deprecated Apache HTTP library.
 *     Use {@link BaseHttpStack} to avoid this dependency. This class may be removed in a future
 *     release of Volley.
 */
@Deprecated
public interface 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 HTTP response
     */
    HttpResponse performRequest(Request<?> request, Map<String, String> additionalHeaders)
            throws IOException, AuthFailureError;
}