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

Go to download
Show more of this group Show more artifacts with this name
Show all versions of javasvn Show documentation
The only pure Java Subversion library in the world
There is a newer version: 1.1.0.beta
/*
 * ====================================================================
 * Copyright (c) 2004-2006 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://tmate.org/svn/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 1.0
 * @author TMate Software Ltd.
 */
public class Version {

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

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

    private static final String VERSION_STRING_DEFAULT = "JavaSVN (http://tmate.org/svn/)";
    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);
        }

    }
}