Platform.java example

Explorer
hudson.core-master
/*******************************************************************************
 *
 * Copyright (c) 2004-2009 Oracle Corporation.
 *
 * 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:
 * 
 *    Kohsuke Kawaguchi
 *
 *
 *******************************************************************************/ 

package hudson;

import java.io.File;

/**
 * Strategy object that absorbs the platform differences.
 *
 * <p> Do not switch/case on this enum, or do a comparison, as we may add new
 * constants.
 *
 * @author Kohsuke Kawaguchi
 */
public enum Platform {

    WINDOWS(';'), UNIX(':');
    /**
     * The character that separates paths in environment variables like PATH and
     * CLASSPATH. On Windows ';' and on Unix ':'.
     *
     * @see File#pathSeparator
     */
    public final char pathSeparator;

    private Platform(char pathSeparator) {
        this.pathSeparator = pathSeparator;
    }

    public static Platform current() {
        if (File.pathSeparatorChar == ':') {
            return UNIX;
        }
        return WINDOWS;
    }
}