alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.upgrade;

import java.awt.Dialog;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.ErrorManager;
import org.openide.NotifyDescriptor;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.LocalFileSystem;
import org.openide.filesystems.Repository;
import org.openide.util.NbBundle;

/** pending
 *
 * @author  Jiri Rechtacek
 */
public final class AutoUpgrade {

    /** Shows the import dialog if there is no folder under the Projects
     * subfolder of system default filesystem. This condition is met during
     * the first start only.
     * 
     * @return true when and only when the dialog was displayed and user has canceled it,
     * false otherwise (upgrade is done or not needed).
     */
    //public static boolean handleUpgrade (SplashOutput splash) {
    
    public static void main (String[] args) throws Exception {
        String[] version = new String[1];
        File sourceFolder = checkPrevious (version);
        if (sourceFolder != null) {
            if (!showUpgradeDialog (sourceFolder)) {
                throw new org.openide.util.UserCancelException ();
            }
            doUpgrade (sourceFolder, version[0]);
        }
    }
    
    // XXX: the versions will be read from properties files to allow branding
    final static private List VERSION_TO_CHECK = Arrays.asList (new String[] { "3.6" });
    final static private String USER_DIR_PREFIX = ".netbeans"; // NOI18N
    
    static private File checkPrevious (String[] version) {
        boolean exists;
        
        String userHome = System.getProperty ("user.home"); // NOI18N
        File sourceFolder = null;
        
        if (userHome != null) {
            File userHomeFile = new File (userHome);
            exists = userHomeFile.isDirectory ();

            Iterator it = VERSION_TO_CHECK.iterator ();
            String ver;
            while (it.hasNext () && sourceFolder == null) {
                ver = (String) it.next ();
                sourceFolder = new File (
                    new File (userHomeFile.getAbsolutePath (), USER_DIR_PREFIX),
                    ver
                );
                
                if (sourceFolder.isDirectory ()) {
                    version[0] = ver;
                    break;
                }
                sourceFolder = null;
            }
            return sourceFolder;
        } else {
            return null;
        }
    }
    
    private static boolean showUpgradeDialog (final File source) {
        /*
        if (splash != null) {
            Splash.hideSplash (splash);
        }
         */
        
        DialogDescriptor dd = new DialogDescriptor (
            new AutoUpgradePanel (source.getAbsolutePath ()),
            NbBundle.getMessage (AutoUpgrade.class, "MSG_Confirmation_Title"), // NOI18N
            true,
            NotifyDescriptor.YES_NO_OPTION,
            NotifyDescriptor.NO_OPTION,
            null
        );
        
        
        Dialog dlg = DialogDisplayer.getDefault ().createDialog (dd);
        dlg.show ();
          
        return dd.getValue () == NotifyDescriptor.YES_OPTION;
    }
    
    private static void doUpgrade (File source, String oldVersion) 
    throws java.io.IOException, java.beans.PropertyVetoException {
        
        
        if ("3.6".equals (oldVersion)) {
            File userdir = new File(System.getProperty ("netbeans.user", "")); // NOI18N

            Reader r = new InputStreamReader (
                AutoUpgrade.class.getResourceAsStream ("copy3.6"), // NOI18N
                "utf-8"
            );
            java.util.Set includeExclude = IncludeExclude.create (r);
            r.close ();


            ErrorManager.getDefault ().log (
                ErrorManager.USER, "Import: Old version: " // NOI18N
                + oldVersion + ". Importing from " + source + " to " + userdir // NOI18N
            );

            File oldConfig = new File (source, "system"); // NOI18N
            org.openide.filesystems.FileSystem old;
            {
                LocalFileSystem lfs = new LocalFileSystem ();
                lfs.setRootDirectory (oldConfig);
                old = new org.openide.filesystems.MultiFileSystem (
                    new org.openide.filesystems.FileSystem[] { lfs }
                );
            }
            org.openide.filesystems.FileSystem mine = Repository.getDefault ().getDefaultFileSystem ();
            
            FileObject defaultProject = old.findResource ("Projects/Default/"); // NOI18N
            if (defaultProject != null) {
                // first copy content from default project
                Copy.copyDeep (defaultProject, mine.getRoot (), includeExclude);
            }
            
            FileObject projects = old.findResource ("Projects"); // NOI18N
            if (projects != null) {
                FileObject[] allProjects = projects.getChildren ();
                for (int i = 0; i < allProjects.length; i++) {
                    // content from projects is prefered
                    Copy.copyDeep (allProjects[i], mine.getRoot (), includeExclude);
                }
            }
            

            Copy.copyDeep (old.getRoot (), mine.getRoot (), includeExclude);
            return;
        }
        
        throw new IOException ("Cannot import from version: " + oldVersion);
    }
}
... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.