source: main/trunk/gli/src/org/greenstone/gatherer/GathererProg.java

/**
 *#########################################################################
 *
 * A component of the Gatherer application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * Author: John Thompson, NZDL Project, University of Waikato
 *
 * Copyright (C) 2005 New Zealand Digital Library Project
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *########################################################################
 */
package org.greenstone.gatherer;


import java.io.*;
import javax.swing.*;
import org.greenstone.gatherer.util.Utility;

/**
 * Containing the main() method, this class is the entry point for the
 * stand-alone (non-Applet) GLI. The main point of this class is to set
 * some stand-alone specific properties and then create an instance of the
 * Gatherer class.
 * @author John Thompson, NZDL Project, University of Waikato
 */
public class GathererProg
{
    /** The entry point into the stand-alone GLI.
     * @param args A collection of arguments that may include: initial screen size, dictionary, path to the GSDL etc.
     */
    static public void main(final String[] args)
    {
    // A serious hack, but its good enough to stop crappy 'Could not
    // lock user prefs' error messages.  Thanks to Walter Schatz from
    // the java forums.
    System.setProperty("java.util.prefs.syncInterval","2000000"); 
    // => results in one message every 600 hours!

    // Ensure platform specific LAF
    try {
        // UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
    }
    catch (Exception exception) {
        exception.printStackTrace();
    }


    GetOpt go = new GetOpt(args);
            
    // Determine the GLI user directory path
    String gli_user_directory_path = null;
    if (go.webswing) {
        //org.webswing.toolkit.api.WebswingUtil.getWebswingApi().sendActionEvent("javaToWebswingJSConsoleLog", "args are: " + java.util.Arrays.toString(args), null);
        
        if (go.gsdl3_src_path != null) {
        // above is a (albeit a crude) test at this early stage of running,
        // that makes sure we're running GS3

        // "user.dir" resolves to the user's current-working-directory
        // which is engineered through webswing.config to be the GLI home directory     
        
        gli_user_directory_path = System.getProperty("user.dir") + File.separator + "webswing-users" + File.separator;      

        File gli_user_directory = new File(gli_user_directory_path);
        
        if (!gli_user_directory.exists() && !gli_user_directory.mkdir()) {
            System.err.println("Warning: Unable to make directory: " + gli_user_directory_path);
        }
        }
        else {
        System.err.println("Webswing for Greenstone2 not supported");
        System.exit(1);
        }
    }
    else {
        gli_user_directory_path = System.getProperty("user.home") + File.separator;

    
        if (Utility.isWindows()) {
        gli_user_directory_path += "Application Data" + File.separator + "Greenstone" + File.separator + "GLI" + File.separator;
        }
        else {
        gli_user_directory_path += ".gli" + File.separator;
        }
    }
    
    Gatherer.setGLIUserDirectoryPath(gli_user_directory_path);

    // We have a local GLI
    Gatherer.setGLIDirectoryPath(System.getProperty("user.dir") + File.separator);
    
    // Create an instance of the Gatherer class, which will parse the args and prepare the rest of the GLI
    final Gatherer gatherer = new Gatherer(go);
        
    // TESTING circumventing the old GUI event dispatch thread exceptions in GLI. Follows
    // https://docs.oracle.com/javase/6/docs/api/javax/swing/package-summary.html#threading
    // referred from Event Dispatch Thread page at https://joel-costigliola.github.io/assertj/assertj-swing-edt.html
    
    // Schedule a job for the event-dispatching thread:
        // creating and showing this application's GUI.


    // Display all Java properties,
    // https://stackoverflow.com/questions/228477/how-do-i-programmatically-determine-operating-system-in-java
        //System.getProperties().list(System.out);

    SwingUtilities.invokeLater(new Runnable() {
            public void run() {
        // This line used to be done immediately after setGLIDirectoryPath()
        // and new Gatherer() above, but is now inside an invokeLater() to do graphical stuff here.

        // Display the GUI immediately
        gatherer.openGUI();
            }
        });
    
    }
}