/**
* Copyright (C) 2010 - 2016 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* • Apache License, version 2.0
* • Apache Software License, version 1.0
* • GNU Lesser General Public License, version 3
* • Mozilla Public License, versions 1.0, 1.1 and 2.0
* • Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program 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 General
* Public License for more details.
*/
package org.n52.wps.server.r.util;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Starting RServe via command line on different OS.
*
* For documentation see http://www.rforge.net/Rserve/doc.html
*
* For information about RServe on Windows see http://rforge.net/Rserve/rserve-win.html
*
* @author Daniel
*
*/
public class RStarter {
private static Logger log = LoggerFactory.getLogger(RStarter.class);
private static void startRServeOnLinux() throws InterruptedException, IOException {
String rserveStartCMD = "R CMD Rserve --vanilla --slave";
Runtime.getRuntime().exec(rserveStartCMD).waitFor();
}
private static void startRServeOnWindows() throws IOException {
String rserveStartCMD = "cmd /c start R -e library(Rserve);Rserve() --vanilla --slave";
Runtime.getRuntime().exec(rserveStartCMD);
}
public void startR() throws InterruptedException, IOException {
log.debug("Starting R locally...");
if (System.getProperty("os.name").toLowerCase().indexOf("linux") > -1) {
startRServeOnLinux();
}
else if (System.getProperty("os.name").toLowerCase().indexOf("windows") > -1) {
startRServeOnWindows();
}
log.info("Started R.");
}
}