Environment.java

/*
 * Jabox Open Source Version
 * Copyright (C) 2009-2010 Dimitris Kapanidis                                                                                                                          
 * 
 * This file is part of Jabox
 * 
 * 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 3 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, see http://www.gnu.org/licenses/.
 */
package org.jabox.environment;

import java.io.File;

public class Environment {

    // Used to identify the windows platform.
    private static final String WIN_ID = "Windows";

    private static final String JABOX_ENV = "JABOX_HOME";

    private static final String JABOX_PROPERTY = "JABOX_HOME";

    public static final String ARTIFACTORY_ENV = "ARTIFACTORY_HOME";

    public static final String ARTIFACTORY_PROPERTY = "artifactory.home";

    public static final String NEXUS_ENV = "NEXUS_HOME";

    public static final String NEXUS_PROPERTY = "plexus.nexus-work";

    public static final String HUDSON_ENV = "HUDSON_HOME";

    public static final String HUDSON_PROPERTY = "HUDSON_HOME";

    private static final String HUDSON_DIR = ".hudson";

    private static final String CUSTOM_MAVEN_DIR = ".m2";

    public static File getCustomMavenHomeDir() {
        return createAndReturnDir(new File(getBaseDirFile(),
            CUSTOM_MAVEN_DIR));
    }

    /**
     * Try to determine whether this application is running under Windows or
     * some other platform by examing the "os.name" property.
     * 
     * @return true if this application is running under a Windows OS
     */
    public static boolean isWindowsPlatform() {
        String os = System.getProperty("os.name");
        if (os != null && os.startsWith(WIN_ID)) {
            return true;
        } else {
            return false;
        }
    }

    public static String getHudsonHomeDir() {
        String env = System.getenv(HUDSON_ENV);
        String property = System.getProperty(HUDSON_PROPERTY);
        if (env != null) {
            return env;
        } else if (property != null) {
            return property;
        } else {
            return Environment.getDataDir() + HUDSON_DIR;
        }
    }

    private static String getHomeDir() {
        String env = System.getenv(JABOX_ENV);
        String property = System.getProperty(JABOX_PROPERTY);
        if (env != null) {
            return new File(env).getAbsolutePath() + File.separator;
        } else if (property != null) {
            return new File(property).getAbsolutePath() + File.separator;
        }
        String homeDir =
            new File(System.getProperty("user.home"), ".jabox")
                .getAbsolutePath() + File.separator;
        System.setProperty(JABOX_PROPERTY, homeDir);
        return homeDir;
    }

    public static void configureEnvironmentVariables() {
        configBaseDir(HUDSON_ENV, HUDSON_PROPERTY, HUDSON_DIR);
        configBaseDir(ARTIFACTORY_ENV, ARTIFACTORY_PROPERTY,
            ".artifactory/");
        configBaseDir(NEXUS_ENV, NEXUS_PROPERTY, ".nexus/");
    }

    private static void configBaseDir(final String env,
            final String property, final String subdir) {
        if (System.getenv(env) == null
            && System.getProperty(property) == null) {
            System.setProperty(property, Environment.getDataDir()
                + File.separator + subdir);
        }
    }

    public static String getBaseDir() {
        return getBaseDirFile().getAbsolutePath() + File.separator;
    }

    public static File getBaseDirFile() {
        return createAndReturnDir(new File(getHomeDir()));
    }

    public static File getUsersDir() {
        return createAndReturnDir(new File(getConfigDir(), "users"));
    }

    public static File getContainersDir() {
        return createAndReturnDir(new File(getConfigDir(), "containers"));
    }

    public static File getProjectsDir() {
        return createAndReturnDir(new File(getConfigDir(), "projects"));
    }

    public static File getServersDir() {
        return createAndReturnDir(new File(getConfigDir(), "servers"));
    }

    public static File getConfigDir() {
        return createAndReturnDir(new File(getBaseDir(), "config"));
    }

    public static File getTmpDir() {
        return createAndReturnDir(new File(getBaseDirFile(), "tmp"));
    }

    public static File getDownloadsDir() {
        return createAndReturnDir(new File(getBaseDirFile(), "downloads"));
    }

    public static File getDataDir() {
        return createAndReturnDir(new File(getBaseDirFile(), "data"));
    }

    private static File createAndReturnDir(File dir) {
        if (!dir.exists()) {
            dir.mkdirs();
        }
        return dir;
    }

    public static String getRedmineHomeDir() {
        return getBaseDir() + "/cargo/Default/webapps/redmine/WEB-INF/";
    }
}