com.sun.grizzly.websockets.BaseWebSocket Maven / Gradle / Ivy

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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package com.sun.grizzly.websockets;

import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;

@SuppressWarnings({"StringContatenationInLoop"})
public class BaseWebSocket implements WebSocket {
    private final NetworkHandler networkHandler;
    protected static final Logger logger = Logger.getLogger(WebSocketEngine.WEBSOCKET);
    private final Set listeners = new LinkedHashSet();
    private final AtomicBoolean connected = new AtomicBoolean(false);

    public BaseWebSocket(NetworkHandler handler, WebSocketListener... listeners) {
        networkHandler = handler;
        for (WebSocketListener listener : listeners) {
            add(listener);
        }
        handler.setWebSocket(this);
    }

    public NetworkHandler getNetworkHandler() {
        return networkHandler;
    }

    public Set getListeners() {
        return listeners;
    }

    public boolean isConnected() {
        return connected.get();
    }

    public final boolean add(WebSocketListener listener) {
        return listeners.add(listener);
    }

    public void close() throws IOException {
        if (connected.compareAndSet(true, false)) {
            onClose();
            listeners.clear();
        }
    }

    public void onClose() throws IOException {
        for (WebSocketListener listener : listeners) {
            listener.onClose(this);
        }
    }

    public final boolean remove(WebSocketListener listener) {
        return listeners.remove(listener);
    }

    public void send(String data) throws IOException {
        send(new DataFrame(data));
    }

    public void send(final DataFrame frame) throws IOException {
        networkHandler.send(frame);
    }

    public void onConnect() throws IOException {
        for (WebSocketListener listener : listeners) {
            listener.onConnect(this);
        }
        connected.compareAndSet(false, true);
    }

    public void onMessage(DataFrame frame) throws IOException {
        for (WebSocketListener listener : listeners) {
            listener.onMessage(this, frame);
        }
    }
}