/*
* Copyright (c) 2005-2011 Vincent Vandenschrick. All rights reserved.
*
* This file is part of the Jspresso framework.
*
* Jspresso 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 3 of the License, or
* (at your option) any later version.
*
* Jspresso 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 Jspresso. If not, see <http://www.gnu.org/licenses/>.
*/
package org.jspresso.framework.util.scripting;
import java.util.Map;
import org.apache.bsf.BSFException;
import org.apache.bsf.BSFManager;
/**
* This is the default implementation of the script handler interface. It relies
* on Jakarta's "Bean Scripting Framework".
*
* @version $LastChangedRevision: 4321 $
* @author Vincent Vandenschrick
*/
public class DefaultScriptHandler implements IScriptHandler {
/**
* Constructs a new <code>DefaultScriptHandler</code> instance.
*/
public DefaultScriptHandler() {
super();
}
/**
* {@inheritDoc}
*/
@Override
public Object evaluate(IScript scriptable, Map<String, Object> context) {
BSFManager enginesManager = new BSFManager();
if (context != null) {
enginesManager.registerBean(IScript.CONTEXT, context);
enginesManager.registerBean(IScript.SCRIPTED_OBJECT, scriptable
.getScriptedObject());
}
try {
return enginesManager.eval(scriptable.getLanguage(), null, 0, 0,
scriptable.getScript());
} catch (BSFException ex) {
throw new ScriptException(ex);
}
}
/**
* {@inheritDoc}
*/
@Override
public void execute(IScript scriptable, Map<String, Object> context) {
BSFManager enginesManager = new BSFManager();
if (context != null) {
enginesManager.registerBean(IScript.CONTEXT, scriptable);
enginesManager.registerBean(IScript.SCRIPTED_OBJECT, scriptable
.getScriptedObject());
}
try {
enginesManager.exec(scriptable.getLanguage(), null, 0, 0, scriptable
.getScript());
} catch (BSFException ex) {
throw new ScriptException(ex);
}
}
}