ToolsLoader.java

/*
 * Copyright (C) 2014 Vinu K.N
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
package org.domainmath.gui.tools;

import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.domainmath.gui.MainFrame;

/**
 *
 * @author Vinu K.N
 */
public class ToolsLoader {

    public ToolsLoader(MainFrame frame) {
        File dir = new File(System.getProperty("user.dir")+File.separator+"tools");
        File jars[] = dir.listFiles();
        
        for(File pkg:jars){
            if(pkg.getName().endsWith(".jar")) {
                load(pkg,frame);
            }
        }
        
    }
    
    private void load(File f,MainFrame frame){
        ToolsInterface authorizedPlugin;
        try {
            
            ClassLoader authorizedLoader = URLClassLoader.newInstance(new URL[] { f.toURI().toURL() });
            authorizedPlugin = (ToolsInterface) authorizedLoader.loadClass("org.domainmath.gui.Tool").newInstance();
            authorizedPlugin.connect(frame);
        } catch (ClassNotFoundException | MalformedURLException | InstantiationException | IllegalAccessException ex) {
            Logger.getLogger(MainFrame.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}