MessagePumper.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.plugin.docker.client;

import java.io.IOException;

/**
 * Pumps messages from {@code JsonMessageReader} to {@code MessageProcessor}.
 *
 * @author Alexander Garagatyi
 */
class MessagePumper<T> {
    private final JsonMessageReader<T> messageReader;
    private final MessageProcessor<T> messageProcessor;

    MessagePumper(JsonMessageReader<T> messageReader, MessageProcessor<T> messageProcessor) {
        this.messageReader = messageReader;
        this.messageProcessor = messageProcessor;
    }

    void start() throws IOException {
        T message;
        for (;(message = messageReader.next()) != null;) {
            messageProcessor.process(message);
        }
    }
}