Package org.jacorb.naming.namemanager

Source Code of org.jacorb.naming.namemanager.NameManager

/*
*        JacORB - a free Java ORB
*
*   Copyright (C) 1997-2004 Gerald Brose.
*
*   This library is free software; you can redistribute it and/or
*   modify it under the terms of the GNU Library General Public
*   License as published by the Free Software Foundation; either
*   version 2 of the License, or (at your option) any later version.
*
*   This library 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
*   Library General Public License for more details.
*
*   You should have received a copy of the GNU Library General Public
*   License along with this library; if not, write to the Free
*   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

package org.jacorb.naming.namemanager;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.KeyStroke;
import org.omg.CosNaming.NamingContextExt;
import org.omg.CosNaming.NamingContextExtHelper;

/**
* A graphical user interface for the Naming Service.
* If invoked with a file name argument, the NameManager
* will create and use its own root context and print its
* IOR to the given file such that it complies with the
* JacORB mechanism for locating the root naming context
*
* @author Gerald Brose
* @author Wei-Ju Wu
* @author Volker Siegel
*/

public class NameManager
{
    public static void main(String args[])
    {
        org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args,null);

        JFrame frame = new JFrame("JacORB NameManager");

        // set up menu bars and menu
        JMenuBar menubar = new JMenuBar();

        JMenu fileMenu = new JMenu("File");
        JMenu editMenu = new JMenu("Edit");
        JMenu helpMenu = new JMenu("Help");

        JMenuItem quit = new JMenuItem("Quit", KeyEvent.VK_Q);
        quit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.CTRL_MASK));
        fileMenu.add(quit);

        JMenuItem options = new JMenuItem("Options");

        JMenuItem create =  new JMenuItem("BindNewContext", KeyEvent.VK_N);
        create.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));

  JMenuItem bindObject = new JMenuItem("Bind Object", KeyEvent.VK_B);
        bindObject.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B, ActionEvent.CTRL_MASK));

        JMenuItem unbind =  new JMenuItem("Unbind name", KeyEvent.VK_U);
        unbind.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_U, ActionEvent.CTRL_MASK));

        editMenu.add(options);
        editMenu.add(create);
        editMenu.add(bindObject);
        editMenu.add(unbind);

        JMenuItem about = new JMenuItem("About...");
        helpMenu.add(about);

        menubar.add(fileMenu);
        menubar.add(editMenu);
        menubar.add(helpMenu);

        NamingContextExt rootContext = null;
        try
        {
            rootContext =
                NamingContextExtHelper.narrow( orb.resolve_initial_references("NameService"));
        }
        catch (Exception e)
        {
            JOptionPane.showMessageDialog(frame,
                                          "Could not find name service",
                                          "Initialization error",
                                          JOptionPane.ERROR_MESSAGE);
            usage();
            System.exit(1);
        }

        if( rootContext == null )
        {
            System.err.println("Narrow for name service failed, exiting...");
            usage();
            System.exit(1);
        }

        // set up tree and table

        NSTable nstable = new NSTable();
        JScrollPane tableScrollPane= new JScrollPane(nstable);
        nstable.setPreferredScrollableViewportSize(new Dimension(300,250));

        NSTree tree= new NSTree(300, 200, nstable, rootContext, orb);
        JScrollPane treeScrollPane = new JScrollPane(tree);

        JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
        splitPane.setLeftComponent( treeScrollPane );
        splitPane.setRightComponent( tableScrollPane );
        splitPane.setDividerLocation(200);
        splitPane.setDividerSize(2);
        frame.getContentPane().setBackground(Color.white);
        frame.getContentPane().add(splitPane);
        tree.update();

        Handler handler= new Handler(frame,tree);
        TableHandler tableHandler = new TableHandler(frame, nstable);
        quit.addActionListener(handler);
        options.addActionListener(handler);
        create.addActionListener(handler);
        bindObject.addActionListener(handler);
        unbind.addActionListener(handler);
        about.addActionListener(handler);

        tree.addMouseListener(handler);
        tree.addKeyListener(handler);

        frame.addWindowListener(handler);
        nstable.addMouseListener(tableHandler);
        nstable.addKeyListener(tableHandler);

        frame.setJMenuBar(menubar);
        frame.pack();
        frame.show();

        orb.run();
    }

    public static void usage()
    {
        System.out.println("Usage: NameManager [orb_options]");
        System.out.println("          e.g. nmg -ORBInitRef NameService=file:///c:/ns.ior");
    }
}
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