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 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.debugger.jpda.ui.models;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Vector;
import org.netbeans.api.debugger.DebuggerEngine;
import org.netbeans.api.debugger.Session;
import org.netbeans.api.debugger.jpda.JPDADebugger;
import org.netbeans.spi.debugger.ContextProvider;
import org.netbeans.spi.debugger.ui.Constants;
import org.netbeans.spi.viewmodel.TableModel;
import org.netbeans.spi.viewmodel.TreeModelListener;
import org.netbeans.spi.viewmodel.UnknownTypeException;
import org.openide.util.NbBundle;


/**
 *
 * @author   Jan Jancura
 */
public class SessionsTableModel implements TableModel, Constants,
PropertyChangeListener {
    
    private static String loc(String key) {
        return NbBundle.getBundle (SessionsTableModel.class).getString (key);
    }

    private Vector listeners = new Vector ();

    
    public SessionsTableModel (ContextProvider contextProvider) {
        JPDADebugger debugger = (JPDADebugger) contextProvider.
            lookupFirst (null, JPDADebugger.class);
        debugger.addPropertyChangeListener (debugger.PROP_STATE, this);
    }

    public Object getValueAt (Object row, String columnID) throws 
    UnknownTypeException {
        if (row instanceof Session) {
            if (columnID.equals (SESSION_STATE_COLUMN_ID))
                return getSessionState ((Session) row);
            else
            if (columnID.equals (SESSION_LANGUAGE_COLUMN_ID))
                return row;
            else
            if (columnID.equals (SESSION_HOST_NAME_COLUMN_ID))
                return ((Session) row).getLocationName ();
        }
        throw new UnknownTypeException (row);
    }
    
    public boolean isReadOnly (Object row, String columnID) throws 
    UnknownTypeException {
        if (row instanceof Session) {
            if (columnID.equals (SESSION_STATE_COLUMN_ID))
                return true;
            else
            if (columnID.equals (SESSION_LANGUAGE_COLUMN_ID))
                return false;
            else
            if (columnID.equals (SESSION_HOST_NAME_COLUMN_ID))
                return true;
        }
        throw new UnknownTypeException (row);
    }
    
    public void setValueAt (Object row, String columnID, Object value) 
    throws UnknownTypeException {
        if (row instanceof Session) {
            if (!columnID.equals (SESSION_LANGUAGE_COLUMN_ID))
                throw new UnknownTypeException (row);
        } else
        throw new UnknownTypeException (row);
    }


    private static String getSessionState (Session s) {
        DebuggerEngine e = s.getCurrentEngine ();
        JPDADebugger d = (JPDADebugger) e.lookupFirst 
            (null, JPDADebugger.class);
        switch (d.getState ()) {
            case JPDADebugger.STATE_DISCONNECTED:
                return loc ("MSG_Session_State_Disconnected");
            case JPDADebugger.STATE_RUNNING:
                return loc ("MSG_Session_State_Running");
            case JPDADebugger.STATE_STARTING:
                return loc ("MSG_Session_State_Starting");
            case JPDADebugger.STATE_STOPPED:
                return loc ("MSG_Session_State_Stopped");
        }
        return null;
    }
    
    /** 
     * Registers given listener.
     * 
     * @param l the listener to add
     */
    public void addTreeModelListener (TreeModelListener l) {
        listeners.add (l);
    }

    /** 
     * Unregisters given listener.
     *
     * @param l the listener to remove
     */
    public void removeTreeModelListener (TreeModelListener l) {
        listeners.remove (l);
    }
    
    private void fireTreeChanged () {
        Vector v = (Vector) listeners.clone ();
        int i, k = v.size ();
        for (i = 0; i < k; i++)
            ((TreeModelListener) v.get (i)).treeChanged ();
    }
    
    private void fireTreeNodeChanged (Object parent) {
        Vector v = (Vector) listeners.clone ();
        int i, k = v.size ();
        for (i = 0; i < k; i++)
            ((TreeModelListener) v.get (i)).treeNodeChanged (parent);
    }
    
    private static final Integer SD = new Integer 
        (JPDADebugger.STATE_DISCONNECTED);
    
    public void propertyChange (PropertyChangeEvent e) {
        fireTreeChanged ();
        if (e.getNewValue ().equals (SD))
            ((JPDADebugger) e.getSource ()).removePropertyChangeListener (
                JPDADebugger.PROP_STATE, this
            );
    }
}
... 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.