Package org.apache.felix.mishell

Source Code of org.apache.felix.mishell.Activator

/*
*   Copyright 2005 The Apache Software Foundation
*
*   Licensed under the Apache License, Version 2.0 (the "License");
*   you may not use this file except in compliance with the License.
*   You may obtain a copy of the License at
*
*       http://www.apache.org/licenses/LICENSE-2.0
*
*   Unless required by applicable law or agreed to in writing, software
*   distributed under the License is distributed on an "AS IS" BASIS,
*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*   See the License for the specific language governing permissions and
*   limitations under the License.
*
*/
package org.apache.felix.mishell;

import org.apache.felix.mishell.console.Console;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;

public class Activator implements BundleActivator {

  private Console console;

  public void start(BundleContext context) throws Exception {
    //NOTE: new javax.script.EngineManager() uses context class loader
    //We've changed that to use EngineManager(ClassLoader loader)
    //Alternatively, we could instantiate it in a separate thread with proper context class loader set.
    //TODO: not sure wether resources are correctly freed. A running script will probably keep running, for example, if it has got threads
    //but that would hang the console, which is quite primitive yet. (it would need a 'run [script] &' idiom)
    console = new Console(new JMXEngineContext("javascript", new OSGiScriptEngineManager(context)));
    Thread t=new Thread(console);
    //At least JRuby engine (maybe others too) uses context class loaders internally
    //So this is to prevent  problems with that: context cl=console class loader which in turn
    //loads the manager and therefore engine factory
//    t.setContextClassLoader(this.getClass().getClassLoader());
    t.setName("ConsoleThread");
    t.start();

  }

  public void stop(BundleContext context) throws Exception {
    console.stop();

  }

}
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