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/*
 * Copyright 2015 Netflix, Inc.
 *
 * 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 io.reactivex.netty.protocol.http.ws.client;

import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.reactivex.netty.protocol.http.client.HttpClientResponse;
import io.reactivex.netty.protocol.http.ws.WebSocketConnection;
import rx.Observable;

import static io.netty.handler.codec.http.HttpHeaderNames.*;
import static io.netty.handler.codec.http.HttpHeaderValues.*;

public abstract class WebSocketResponse extends HttpClientResponse {

    public abstract Observable getWebSocketConnection();

    public String getAcceptedSubProtocol() {
        return getHeader(SEC_WEBSOCKET_PROTOCOL);
    }

    public boolean isUpgraded() {
        return getStatus().equals(HttpResponseStatus.SWITCHING_PROTOCOLS)
               && containsHeader(CONNECTION, HttpHeaderValues.UPGRADE, true)
               && containsHeader(HttpHeaderNames.UPGRADE, WEBSOCKET, true)
               && containsHeader(SEC_WEBSOCKET_ACCEPT);
    }
}