org.whispersystems.websocket.session.WebSocketSessionContext.java Source code

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Here is the source code for org.whispersystems.websocket.session.WebSocketSessionContext.java

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/**
 * Copyright (C) 2014 Open WhisperSystems
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.whispersystems.websocket.session;

import com.google.common.base.Optional;
import org.whispersystems.websocket.WebSocketClient;

import java.util.LinkedList;
import java.util.List;

public class WebSocketSessionContext {

    private final List<WebSocketEventListener> closeListeners = new LinkedList<>();

    private final WebSocketClient webSocketClient;

    private Object authenticated;
    private boolean closed;

    public WebSocketSessionContext(WebSocketClient webSocketClient) {
        this.webSocketClient = webSocketClient;
    }

    public void setAuthenticated(Object authenticated) {
        this.authenticated = authenticated;
    }

    public <T> Optional<T> getAuthenticated(Class<T> clazz) {
        if (clazz.isInstance(authenticated)) {
            return Optional.fromNullable(clazz.cast(authenticated));
        }

        return Optional.absent();
    }

    public synchronized void addListener(WebSocketEventListener listener) {
        if (!closed)
            this.closeListeners.add(listener);
        else
            listener.onWebSocketClose(this, 1000, "Closed");
    }

    public WebSocketClient getClient() {
        return webSocketClient;
    }

    public synchronized void notifyClosed(int statusCode, String reason) {
        for (WebSocketEventListener listener : closeListeners) {
            listener.onWebSocketClose(this, statusCode, reason);
        }

        closed = true;
    }

    public interface WebSocketEventListener {
        public void onWebSocketClose(WebSocketSessionContext context, int statusCode, String reason);
    }

}