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/***
 * OW2 FraSCAti Tinfi
 * Copyright (C) 2007-2018 Inria, Univ. Lille
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Contact: [email protected]
 *
 * Author: Lionel Seinturier
 */

package org.ow2.frascati.tinfi;

import org.objectweb.fractal.api.Component;
import org.objectweb.fractal.api.NoSuchInterfaceException;
import org.objectweb.fractal.api.control.IllegalLifeCycleException;
import org.objectweb.fractal.api.factory.Factory;
import org.objectweb.fractal.api.factory.InstantiationException;
import org.objectweb.fractal.util.Fractal;

/**
 * This class provides helper methods for Tinfi conformance tests.
 * 
 * @author Lionel Seinturier 
 */
public class TinfiDomain {
    
    /** 
     * Return an instance of the component described by the specified ADL.
     */
    public static Component getComponent( String adl )
    throws
        ClassNotFoundException, InstantiationException, IllegalAccessException,
        IllegalLifeCycleException, NoSuchInterfaceException,
        java.lang.InstantiationException {
        
        Class cl = Class.forName(adl);
        Object o = cl.newInstance();
        if( !(o instanceof Factory) ) {
            String msg =
                "The specified descriptor is not a component factory: "+adl;
            throw new IllegalArgumentException(msg);
        }
        Factory factory = (Factory) o;
        Component c = factory.newFcInstance();
        Fractal.getLifeCycleController(c).startFc();
        return c;
    }
    
    /**
     * Return the itfName server interface of type cl
     * for the component described by the specified ADL.
     */
    public static  T getService( String adl, Class cl, String itfName )
    throws
        ClassNotFoundException, InstantiationException, IllegalAccessException,
        IllegalLifeCycleException, NoSuchInterfaceException,
        java.lang.InstantiationException {
        
        Component c = getComponent(adl);
        T s = getService(c,cl,itfName);
        return s;
    }

    /**
     * Return the itfName server interface of type cl
     * for the specified component.
     */
    public static  T getService( Component c, Class cl, String itfName )
    throws NoSuchInterfaceException {
        T s = (T) c.getFcInterface(itfName);
        return s;
    }
    
    /**
     * Stop the specified component. Defined to mimic SCADomain.close().
     */
    public static void close( Component c )
    throws IllegalLifeCycleException, NoSuchInterfaceException {
        Fractal.getLifeCycleController(c).stopFc();
    }
}