WebSocketExtensionProcessor.h   [plain text]


/*
 * Copyright (C) 2012 Google Inc.  All rights reserved.
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#pragma once

#include <wtf/HashMap.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class WebSocketExtensionProcessor {
public:
    virtual ~WebSocketExtensionProcessor() = default;

    String extensionToken() const { return m_extensionToken; }

    // The return value of this method will be a part of the value of
    // Sec-WebSocket-Extensions.
    virtual String handshakeString() = 0;

    // This should validate the server's response parameters which are passed
    // as HashMap<key, value>. This may also do something for the extension.
    // Note that this method may be called more than once when the server
    // response contains duplicate extension token that matches extensionToken().
    virtual bool processResponse(const HashMap<String, String>&) = 0;

    // If procecssResponse() returns false, this should provide the reason.
    virtual String failureReason() { return "Extension " + m_extensionToken + " failed"; }

protected:
    explicit WebSocketExtensionProcessor(const String& extensionToken)
        : m_extensionToken(extensionToken)
    {
    }

private:
    String m_extensionToken;
};

} // namespace WebCore