org.tmatesoft.svn.util.Version Maven / Gradle / Ivy

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The only pure Java Subversion library in the world, formerly known as JavaSVN
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/*
 * ====================================================================
 * Copyright (c) 2004-2007 TMate Software Ltd.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://svnkit.com/license.html
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 * ====================================================================
 */
package org.tmatesoft.svn.util;

import org.tmatesoft.svn.core.internal.wc.SVNFileUtil;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * @version 1.1.1
 * @author  TMate Software Ltd.
 */
public class Version {

    private static String PROPERTIES_PATH = "svnkit.build.properties";

    private static final String VERSION_STRING_PROPERTY = "svnkit.version.string";
    private static final String VERSION_MAJOR_PROPERTY = "svnkit.version.major";
    private static final String VERSION_MINOR_PROPERTY = "svnkit.version.minor";
    private static final String VERSION_MICRO_PROPERTY = "svnkit.version.micro";

    private static final String VERSION_STRING_DEFAULT = "SVNKit (http://svnkit.com/)";
    private static final String VERSION_MAJOR_DEFAULT = "0";
    private static final String VERSION_MINOR_DEFAULT = "0";
    private static final String VERSION_MICRO_DEFAULT = "0";

    private static Properties ourProperties;

    public static String getVersionString() {
        loadProperties();
        return ourProperties.getProperty(VERSION_STRING_PROPERTY,
                VERSION_STRING_DEFAULT);
    }

    public static int getMajorVersion() {
        loadProperties();
        try {
            return Integer.parseInt(ourProperties.getProperty(
                    VERSION_MAJOR_PROPERTY, VERSION_MAJOR_DEFAULT));
        } catch (NumberFormatException nfe) {
            //
        }
        return 0;
    }

    public static int getMinorVersion() {
        loadProperties();
        try {
            return Integer.parseInt(ourProperties.getProperty(
                    VERSION_MINOR_PROPERTY, VERSION_MINOR_DEFAULT));
        } catch (NumberFormatException nfe) {
            //
        }
        return 0;
    }

    public static int getMicroVersion() {
        loadProperties();
        try {
            return Integer.parseInt(ourProperties.getProperty(
                    VERSION_MICRO_PROPERTY, VERSION_MICRO_DEFAULT));
        } catch (NumberFormatException nfe) {
            //
        }
        return 0;
    }

    private static void loadProperties() {
        if (ourProperties != null) {
            return;
        }
        InputStream is = Version.class.getClassLoader().getResourceAsStream(
                PROPERTIES_PATH);
        ourProperties = new Properties();
        if (is == null) {
            return;
        }
        try {
            ourProperties.load(is);
        } catch (IOException e) {
            //
        } finally {
            SVNFileUtil.closeFile(is);
        }

    }
}