org.glassfish.grizzly.websockets.OptimizedBroadcaster Maven / Gradle / Ivy

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 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.grizzly.websockets;

/**
 * The default {@link Broadcaster} optimized to send the same text to a set of
 * clients.
 * NOTE: works with {@link DefaultWebSocket}s and inherited classes.
 * 
 * @author Alexey Stashok
 */
public class OptimizedBroadcaster implements Broadcaster {

    /**
     * {@inheritDoc}
     */
    @Override
    public void broadcast(final Iterable recipients,
            final String text) {
        
        byte[] rawDataToSend = null;
        
        for (WebSocket websocket : recipients) {
            final DefaultWebSocket defaultWebSocket = (DefaultWebSocket) websocket;
            
            if (websocket.isConnected()) {
                if (rawDataToSend == null) {
                    rawDataToSend = defaultWebSocket.toRawData(text);
                }
                
                try {
                    defaultWebSocket.sendRaw(rawDataToSend);
                } catch (WebSocketException ignored) {
                }
            }
        }
    }
    
    /**
     * {@inheritDoc}
     */
    @Override
    public void broadcast(final Iterable recipients,
            final byte[] binary) {
        
        byte[] rawDataToSend = null;
        
        for (WebSocket websocket : recipients) {
            final DefaultWebSocket defaultWebSocket = (DefaultWebSocket) websocket;
            
            if (websocket.isConnected()) {
                if (rawDataToSend == null) {
                    rawDataToSend = defaultWebSocket.toRawData(binary);
                }
                
                try {
                    defaultWebSocket.sendRaw(rawDataToSend);
                } catch (WebSocketException ignored) {
                }
            }
        }
    }

    @Override
    public void broadcastFragment(Iterable recipients,
            String text, boolean last) {
        byte[] rawDataToSend = null;
        
        for (WebSocket websocket : recipients) {
            final DefaultWebSocket defaultWebSocket = (DefaultWebSocket) websocket;
            
            if (websocket.isConnected()) {
                if (rawDataToSend == null) {
                    rawDataToSend = defaultWebSocket.toRawData(text, last);
                }
                
                try {
                    defaultWebSocket.sendRaw(rawDataToSend);
                } catch (WebSocketException ignored) {
                }
            }
        }
    }

    @Override
    public void broadcastFragment(Iterable recipients, byte[] binary, boolean last) {
        byte[] rawDataToSend = null;
        
        for (WebSocket websocket : recipients) {
            final DefaultWebSocket defaultWebSocket = (DefaultWebSocket) websocket;
            
            if (websocket.isConnected()) {
                if (rawDataToSend == null) {
                    rawDataToSend = defaultWebSocket.toRawData(binary, last);
                }
                
                try {
                    defaultWebSocket.sendRaw(rawDataToSend);
                } catch (WebSocketException ignored) {
                }
            }
        }
    }
}