org/objectweb/proactive/core/process/SimpleExternalProcess.java

/* 
 * ################################################################
 * 
 * ProActive: The Java(TM) library for Parallel, Distributed, 
 *            Concurrent computing with Security and Mobility
 * 
 * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
 * Contact: proactive@objectweb.org
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *  
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *  
 *  Initial developer(s):               The ProActive Team
 *                        http://www.inria.fr/oasis/ProActive/contacts.html
 *  Contributor(s): 
 * 
 * ################################################################
 */ 
package org.objectweb.proactive.core.process;

import org.objectweb.proactive.core.util.RemoteProcessMessageLogger;


public class SimpleExternalProcess extends AbstractExternalProcess {
    private String targetCommand;

    //
    // -- CONSTRUCTORS -----------------------------------------------
    //

    public SimpleExternalProcess(String targetCommand) {
        this(new StandardOutputMessageLogger(), targetCommand);
    }

    public SimpleExternalProcess(RemoteProcessMessageLogger messageLogger,
        String targetCommand) {
        this(messageLogger, messageLogger, targetCommand);
    }

    public SimpleExternalProcess(
        RemoteProcessMessageLogger inputMessageLogger,
        RemoteProcessMessageLogger errorMessageLogger, String targetCommand) {
        super(inputMessageLogger, errorMessageLogger);
        this.targetCommand = targetCommand;
    }

    //
    // -- PUBLIC METHODS -----------------------------------------------
    //

    public String getProcessId() {
        return "simpleprocess";
    }

    public int getNodeNumber() {
        return 1;
    }

    public UniversalProcess getFinalProcess() {
        checkStarted();
        return this;
    }

    public static void main(String[] args) {
        try {
            String targetCommand = null;
            if (args.length > 0) {
                targetCommand = args[0];
            } else {
                targetCommand = "ls -las";
            }
            SimpleExternalProcess p = new SimpleExternalProcess(targetCommand);
            p.startProcess();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //
    // -- PROTECTED METHODS -----------------------------------------------
    //
    protected String buildCommand() {
        return targetCommand;
    }

    //
    // -- PRIVATE METHODS -----------------------------------------------
    //
}

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