Glassfish example source code file (RuntimeVersion.java)

This example Glassfish source code file (RuntimeVersion.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

dateformat, filenotfoundexception, io, jdoexception, mm/dd/yy, noi18n, noi18n, properties, properties, runtimeversion, runtimeversion, simpledateformat, string, string, text, util, versionnumber

The Glassfish RuntimeVersion.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

/*
 * RuntimeVersion.java
 *
 * Created on March 14, 2000
 */

package com.sun.jdo.spi.persistence.support.sqlstore;

import com.sun.jdo.api.persistence.support.JDOException;
import org.glassfish.persistence.common.I18NHelper;

import java.io.FileNotFoundException;
import java.io.InputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Properties;
import java.util.ResourceBundle;

public class RuntimeVersion {
    private static Properties _properties = new Properties();
    private final static ResourceBundle vendor_info = I18NHelper.loadBundle(
            RuntimeVersion.class);


    private static String product_version = "product.version.number"; // NOI18N
    private static String build_time = "product.build.time"; // NOI18N
    private static String runtime_version = "runtime.version.number"; // NOI18N
    private static String vendor_name = "VendorName"; // NOI18N
    private static String version_number = "VersionNumber"; // NOI18N
    private static String vendor = I18NHelper.getMessage(vendor_info, "vendor"); // NOI18N

    public static void main(String[] args) {
        if (args == null || args.length == 0 ||
                (args.length == 1 && args[0].equals("-version"))) // NOI18N
        {
            RuntimeVersion rt = new RuntimeVersion();
            rt.loadProperties("/com/sun/jdo/spi/persistence/support/sqlstore/sys.properties"); // NOI18N
            System.out.println(parse_version());
        }
        System.exit(0);
    }

    /**
     * Constructor without parameters
     */
    public RuntimeVersion() {
    }

    /**
     * Constructor without parameters
     */
    public RuntimeVersion(String fileName) {
        loadProperties(fileName);
    }

    /**
     * Load properties file
     */
    public static void loadProperties(String fileName) {
        try {
            InputStream in = RuntimeVersion.class.getResourceAsStream(fileName);
            if (in == null)
                throw new FileNotFoundException(fileName);

            _properties.load(in);
            in.close();
        } catch (java.io.IOException e) {
            throw new JDOException(null, e);
        }
    }

    /**
     * Return Vendor properties for a given file name
     */
    public static Properties getVendorProperties(String fileName) {
        loadProperties(fileName);
        return getVendorProperties();
    }

    /**
     * Return Vendor properties
     */
    public static Properties getVendorProperties() {
        if (_properties == null)
            return null;

        Properties _vendorProperties = new Properties();
        _vendorProperties.setProperty(vendor_name, vendor);
        _vendorProperties.setProperty(version_number, parse_version());

        return _vendorProperties;
    }

    /**
     * Parse the build date and create a localized version
     * return version as String
     */
    private static String parse_version() {
        if (_properties == null)
            return null;

        String majorVersion = _properties.getProperty(product_version);
        String minorVersion = _properties.getProperty(runtime_version);
        String buildTime = _properties.getProperty(build_time);

        // Parse the build date and create a localized version
        String s = null;
        try {
            DateFormat dateFormatter = DateFormat.getDateTimeInstance();
            SimpleDateFormat propertyFormat = new SimpleDateFormat("MM/dd/yy hh:mm:ss"); // NOI18N
            s = dateFormatter.format(propertyFormat.parse(buildTime));
        } catch (Exception e) {
            s = ""; // NOI18N
        }

        return I18NHelper.getMessage(vendor_info, "fullVersion", majorVersion, minorVersion, s); // NOI18N

    }
}