com.almende.eve.transport.ws.WebsocketTransport.java Source code

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Here is the source code for com.almende.eve.transport.ws.WebsocketTransport.java

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/*
 * Copyright: Almende B.V. (2014), Rotterdam, The Netherlands
 * License: The Apache Software License, Version 2.0
 */
package com.almende.eve.transport.ws;

import java.io.IOException;
import java.net.URI;
import java.util.logging.Logger;

import javax.websocket.CloseReason;
import javax.websocket.EndpointConfig;
import javax.websocket.RemoteEndpoint.Async;
import javax.websocket.Session;

import com.almende.eve.capabilities.handler.Handler;
import com.almende.eve.transport.AbstractTransport;
import com.almende.eve.transport.Receiver;
import com.almende.eve.transport.TransportService;
import com.fasterxml.jackson.databind.node.ObjectNode;

/**
 * The Class WebsocketTransport.
 */
public abstract class WebsocketTransport extends AbstractTransport {
    private static final Logger LOG = Logger.getLogger(WebsocketTransport.class.getName());
    private boolean connected = false;

    /**
     * Instantiates a new websocket transport.
     * 
     * @param address
     *            the address
     * @param handle
     *            the handle
     * @param service
     *            the service
     * @param params
     *            the params
     */
    public WebsocketTransport(final URI address, final Handler<Receiver> handle, final TransportService service,
            final ObjectNode params) {
        super(address, handle, service, params);
    }

    protected abstract void registerRemote(String key, Async remote);

    /**
     * Receive.
     * 
     * @param body
     *            the body
     * @param id
     *            the id
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    public abstract void receive(final String body, final String id) throws IOException;

    /**
     * On close.
     * 
     * @param session
     *            the session
     * @param closeReason
     *            the close reason
     */
    public void onClose(final Session session, final CloseReason closeReason) {
        LOG.info("Connection closed:" + closeReason.getReasonPhrase() + "(" + closeReason.getCloseCode().getCode()
                + ":" + closeReason.getCloseCode().toString() + ")");
        setConnected(false);
    }

    /**
     * On open.
     * 
     * @param session
     *            the session
     * @param config
     *            the config
     */
    public void onOpen(final Session session, final EndpointConfig config) {
        setConnected(true);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.almende.eve.transport.Transport#connect()
     */
    @Override
    public void connect() throws IOException {
        // Nothing to do on the server side.
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.almende.eve.transport.Transport#disconnect()
     */
    @Override
    public void disconnect() {
        // Nothing to do on the server side.
    }

    /**
     * Checks if is connected.
     * 
     * @return true, if is connected
     */
    public boolean isConnected() {
        return connected;
    }

    /**
     * Sets the connected.
     * 
     * @param connected
     *            the new connected
     */
    public void setConnected(final boolean connected) {
        this.connected = connected;
    }
}