LibGdaCommon.java

/*-
 * Copyright © 2012 Diamond Light Source Ltd.
 *
 * This file is part of GDA.
 *
 * GDA is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License version 3 as published by the Free
 * Software Foundation.
 *
 * GDA 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with GDA. If not, see <http://www.gnu.org/licenses/>.
 */

package gda.util;

import org.apache.commons.lang.SystemUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class LibGdaCommon {

	private static final Logger logger = LoggerFactory.getLogger(LibGdaCommon.class);

	private static boolean LIBRARY_AVAILABLE = false;

	static {
		final String libname = "gda_common";
		try {
			if (SystemUtils.IS_OS_LINUX) {
				System.loadLibrary(libname);
				LIBRARY_AVAILABLE = true;
			}
		} catch (Throwable e) {
			logger.warn("Couldn't load " + libname + " library", e);
		}
	}

	public static String getFullNameOfUser(String username) {
		if (LIBRARY_AVAILABLE) {
			return _getFullNameOfUser(username);
		}
		return username; // We may well have the right user name originally. (Fix for windows.)
	}

	private static native String _getFullNameOfUser(String username);

}