/*
* Open Source Physics software is free software as described near the bottom of this code file.
*
* For additional information and documentation on Open Source Physics please see:
* <http://www.opensourcephysics.org/>
*/
package org.opensourcephysics.tools;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JOptionPane;
import org.opensourcephysics.controls.OSPLog;
/**
* Toolbox stores tools that can exchange data using the Tool interface.
*
* @author Wolfgang Christian and Doug Brown
* @version 0.1
*/
public class Toolbox {
private static final String HOST = "localhost"; //$NON-NLS-1$
private static final int PORT = 1099;
protected static Map<String, Tool> tools = new HashMap<String, Tool>();
protected static Registry registry;
protected static int allowRMI = -1; // flag to determine if RMI should be allowed.
protected Toolbox() {
/** empty block */
}
public static void addTool(String name, Tool tool) {
if(tools.get(name)==null) {
tools.put(name, tool);
OSPLog.fine("Added to toolbox: "+name); //$NON-NLS-1$
}
}
public static boolean addRMITool(String name, Tool tool) {
initRMI();
if(allowRMI==0) { // user has choosen not to allow RMI
return false;
}
try {
Tool remote = new RemoteTool(tool);
registry.bind(name, remote);
OSPLog.fine("Added to RMI registry: "+name); //$NON-NLS-1$
return true;
} catch(Exception ex) {
OSPLog.warning("RMI registration failed: "+name+" ["+ex+"]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
return false;
}
}
public static Tool getTool(String name) {
if(tools.containsKey(name)) {
// look for local tool
Tool tool = tools.get(name);
OSPLog.fine("Found local tool: "+name); //$NON-NLS-1$
return tool;
}
initRMI();
if(allowRMI==0) { // user has chosen not to allow RMI
return null;
}
// look for RMI tool
try {
Tool tool = (Tool) registry.lookup(name);
OSPLog.fine("Found RMI tool "+name); //$NON-NLS-1$
return new RemoteTool(tool);
} catch(Exception ex) {
OSPLog.info("RMI lookup failed: "+name+" ["+ex+"]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
System.out.println("RMI lookup failed: "+name+" ["+ex+"]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
return null;
}
private static void initRMI() {
if(allowRMI==0) { // user has chosen not to allow RMI
return;
}
if (allowRMI<0) {
int selection = JOptionPane.showConfirmDialog(null, ToolsRes.getString("Toolbox.Dialog.UseRemote.Query"), ToolsRes.getString("Toolbox.Dialog.UseRemote.Title"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); //$NON-NLS-1$ //$NON-NLS-2$
if(selection==JOptionPane.YES_OPTION) {
allowRMI = 1;
} else {
allowRMI = 0;
return;
}
}
if(registry==null) {
try {
registry = LocateRegistry.getRegistry(HOST, PORT);
} catch(RemoteException ex) {
OSPLog.info(ex.getMessage());
try {
registry = LocateRegistry.createRegistry(PORT);
} catch(RemoteException ex1) {
OSPLog.info(ex1.getMessage());
}
}
}
}
}
/*
* Open Source Physics software is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public License (GPL) as
* published by the Free Software Foundation; either version 2 of the License,
* or(at your option) any later version.
* Code that uses any portion of the code in the org.opensourcephysics package
* or any subpackage (subdirectory) of this package must must also be be released
* under the GNU GPL license.
*
* This software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2007 The Open Source Physics project
* http://www.opensourcephysics.org
*/