/***************************************************************************
* Copyright (C) by Fabrizio Montesi *
* *
* This program 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 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 Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* For details about the authors of this software, see the AUTHORS file. *
***************************************************************************/
package jolie.runtime.embedding;
import jolie.runtime.expression.Expression;
import jolie.runtime.JavaService;
import jolie.Interpreter;
import jolie.JolieClassLoader;
public class JavaServiceLoader extends EmbeddedServiceLoader
{
private final String servicePath;
private final Interpreter interpreter;
public JavaServiceLoader( Expression channelDest, String servicePath, Interpreter interpreter )
{
super( channelDest );
this.interpreter = interpreter;
this.servicePath = servicePath;
}
public void load()
throws EmbeddedServiceLoadingException
{
Class<?> c;
try {
JolieClassLoader cl = interpreter.getClassLoader();
c = cl.loadClass( servicePath );
Object obj = c.newInstance();
if ( !(obj instanceof JavaService) ) {
throw new EmbeddedServiceLoadingException( servicePath + " is not a valid JavaService" );
}
JavaService service = (JavaService)obj;
service.setInterpreter( Interpreter.getInstance() );
setChannel( new JavaCommChannel( service ) );
if ( interpreter.verbose() ) {
interpreter.logInfo( "Loaded Java service: " + c.getCanonicalName() );
}
} catch( InstantiationException e ) {
throw new EmbeddedServiceLoadingException( e );
} catch( IllegalAccessException e ) {
throw new EmbeddedServiceLoadingException( e );
} catch( ClassNotFoundException e ) {
throw new EmbeddedServiceLoadingException( e );
}
}
}