001/*
002 * $Id: GetVer.java,v 1.4 2011/03/24 16:06:35 davep Exp $
003 *
004 * This file is part of McIDAS-V
005 *
006 * Copyright 2007-2011
007 * Space Science and Engineering Center (SSEC)
008 * University of Wisconsin - Madison
009 * 1225 W. Dayton Street, Madison, WI 53706, USA
010 * https://www.ssec.wisc.edu/mcidas
011 * 
012 * All Rights Reserved
013 * 
014 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
015 * some McIDAS-V source code is based on IDV and VisAD source code.  
016 * 
017 * McIDAS-V is free software; you can redistribute it and/or modify
018 * it under the terms of the GNU Lesser Public License as published by
019 * the Free Software Foundation; either version 3 of the License, or
020 * (at your option) any later version.
021 * 
022 * McIDAS-V is distributed in the hope that it will be useful,
023 * but WITHOUT ANY WARRANTY; without even the implied warranty of
024 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
025 * GNU Lesser Public License for more details.
026 * 
027 * You should have received a copy of the GNU Lesser Public License
028 * along with this program.  If not, see http://www.gnu.org/licenses.
029 */
030package edu.wisc.ssec.mcidasv.util;
031
032import static edu.wisc.ssec.mcidasv.Constants.PROP_VERSION_MAJOR;
033import static edu.wisc.ssec.mcidasv.Constants.PROP_VERSION_MINOR;
034import static edu.wisc.ssec.mcidasv.Constants.PROP_VERSION_RELEASE;
035import static edu.wisc.ssec.mcidasv.Constants.PROP_BUILD_DATE;
036
037import java.io.InputStream;
038import java.util.Properties;
039
040public class GetVer {
041
042        public InputStream getResourceAsStream(String name) {
043                return ClassLoader.getSystemResourceAsStream(name);
044        }
045        
046    /**
047     * The main. Get McIDAS-V version and build data and print it out.
048     */
049    public static void main(String[] args) throws Exception {
050        GetVer nonStaticInstance = new GetVer();
051        String version = "Unknown";
052        String date = "Unknown";
053        
054        try {
055                Properties props = new Properties();
056                InputStream is = nonStaticInstance.getResourceAsStream("edu/wisc/ssec/mcidasv/resources/build.properties");
057                props.load(is);
058                String maj = props.getProperty(PROP_VERSION_MAJOR, "0");
059                String min = props.getProperty(PROP_VERSION_MINOR, "0");
060                String rel = props.getProperty(PROP_VERSION_RELEASE, "");
061                date = props.getProperty(PROP_BUILD_DATE, "");
062                version = maj.concat(".").concat(min).concat(rel);
063        }
064        catch (Exception e) {
065                System.err.println("Error getting McIDAS-V version");
066        }
067
068        System.out.println("McIDAS-V version " + version + " built " + date);
069
070    }
071}