WebsocketLineConsumer.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.api.core.util;

import org.everrest.websockets.WSConnectionContext;
import org.everrest.websockets.message.ChannelBroadcastMessage;
import org.slf4j.Logger;

import java.io.IOException;

import static org.slf4j.LoggerFactory.getLogger;

/**
 * Line consumer that send messages to specified websocket channel
 *
 * @author Alexander Garagatyi
 */
public class WebsocketLineConsumer implements LineConsumer {
    private static final Logger LOG = getLogger(WebsocketLineConsumer.class);
    private final String channel;

    public WebsocketLineConsumer(String channel) {
        this.channel = channel;
    }

    @Override
    public void writeLine(String line) throws IOException {
        final ChannelBroadcastMessage bm = new ChannelBroadcastMessage();
        bm.setChannel(channel);
        bm.setBody(line);
        try {
            WSConnectionContext.sendMessage(bm);
        } catch (Exception e) {
            LOG.error("A problem occurred while sending websocket message", e);
        }
    }

    @Override
    public void close() throws IOException {
    }
}