Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.app.extension;

import java.io.File;

import java.util.StringTokenizer;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.Launcher;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.installer.lib.api.InstallerLocator;

import org.gvsig.installer.lib.api.PackageInfo;

import org.gvsig.installer.lib.api.creation.MakePluginPackageService;

/**

 * gvSIG application version information.

 * 

 * @author gvSIG Team

 * @version $Id: Version.java 34441 2011-01-25 16:16:45Z cordinyana $

 */

public class Version {

    private static final Logger LOG = LoggerFactory.getLogger(Version.class);

    private static final String APP_PACKAGE_CODE = "org.gvsig.app";

    private int majorVersionNumber;

    private int minorVersionNumber;

    private int releaseNumber;

    private String buildNumber = "unknown";

    @Deprecated

    public static String format() {

        return ApplicationLocator.getManager().getVersion().getFormat();

    }

    @Deprecated

    public static String longFormat() {

        return ApplicationLocator.getManager().getVersion().getLongFormat();

    }

    @Deprecated

    public static String getBuild() {

        return ApplicationLocator.getManager().getVersion().getBuildId();

    }

    /**

     * Constructor.

     * Loads version information from the application installation information.

     */

    public Version() {

        String[] versions = new String[] { "2", "0", "0" };

        try {

            MakePluginPackageService packageService =

                InstallerLocator.getInstallerManager()

                    .getMakePluginPackageService(

                        new File(Launcher.getAndamiConfig()

                            .getPluginsDirectory()).getAbsoluteFile());

            PackageInfo info =

                packageService.getPluginPackageInfo(APP_PACKAGE_CODE);

            String version = info.getGvSIGVersion();

            StringTokenizer tokens = new StringTokenizer(version, ".");

            int i = 0;

            while (tokens.hasMoreTokens() && i < 3) {

                versions[i] = tokens.nextToken();

                i++;

            }

            this.buildNumber = Integer.toString(info.getBuild());

        } catch (Exception e) {

            LOG.error("Error getting version information through "

                + "the InstallManager", e);

        }

        this.majorVersionNumber = Integer.parseInt(versions[0]);

        this.minorVersionNumber = Integer.parseInt(versions[1]);

        this.releaseNumber = Integer.parseInt(versions[2]);

        LOG.debug("Loaded version information: {}", getLongFormat());

    }

    public int getMinor() {

        return minorVersionNumber;

    }

    public int getMajor() {

        return majorVersionNumber;

    }

    public int getRelease() {

        return releaseNumber;

    }

    public String getBuildId() {

        return buildNumber;

    }

    public String toString() {

        return getLongFormat();

    }

    public String getFormat() {

        return getMajor() + "." + getMinor() + "." + getRelease();

    }

    public String getLongFormat() {

        return getFormat() + " (Build " + getBuildId() + ")";

    }

}