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      1 /*
      2  * Copyright (c) 2004-2005 QOS.ch
      3  *
      4  * All rights reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining
      7  * a copy of this software and associated documentation files (the
      8  * "Software"), to  deal in  the Software without  restriction, including
      9  * without limitation  the rights to  use, copy, modify,  merge, publish,
     10  * distribute, and/or sell copies of  the Software, and to permit persons
     11  * to whom  the Software is furnished  to do so, provided  that the above
     12  * copyright notice(s) and this permission notice appear in all copies of
     13  * the  Software and  that both  the above  copyright notice(s)  and this
     14  * permission notice appear in supporting documentation.
     15  *
     16  * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
     17  * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR  A PARTICULAR PURPOSE AND NONINFRINGEMENT
     19  * OF  THIRD PARTY  RIGHTS. IN  NO EVENT  SHALL THE  COPYRIGHT  HOLDER OR
     20  * HOLDERS  INCLUDED IN  THIS  NOTICE BE  LIABLE  FOR ANY  CLAIM, OR  ANY
     21  * SPECIAL INDIRECT  OR CONSEQUENTIAL DAMAGES, OR  ANY DAMAGES WHATSOEVER
     22  * RESULTING FROM LOSS  OF USE, DATA OR PROFITS, WHETHER  IN AN ACTION OF
     23  * CONTRACT, NEGLIGENCE  OR OTHER TORTIOUS  ACTION, ARISING OUT OF  OR IN
     24  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     25  *
     26  * Except as  contained in  this notice, the  name of a  copyright holder
     27  * shall not be used in advertising or otherwise to promote the sale, use
     28  * or other dealings in this Software without prior written authorization
     29  * of the copyright holder.
     30  *
     31  */
     32 
     33 package org.slf4j.osgi.logservice.impl;
     34 
     35 import java.util.Properties;
     36 
     37 import org.osgi.framework.BundleActivator;
     38 import org.osgi.framework.BundleContext;
     39 import org.osgi.framework.ServiceFactory;
     40 import org.osgi.service.log.LogService;
     41 
     42 /**
     43  * <code>Activator</code> implements a simple bundle that registers a
     44  * {@link LogServiceFactory} for the creation of {@link LogService} implementations.
     45  *
     46  * @author John Conlon
     47  * @author Matt Bishop
     48  **/
     49 public class Activator implements BundleActivator {
     50     /**
     51      *
     52      * Implements <code>BundleActivator.start()</code> to register a
     53      * LogServiceFactory.
     54      *
     55      * @param bundleContext the framework context for the bundle
     56      * @throws Exception
     57      */
     58     public void start(BundleContext bundleContext) throws Exception {
     59 
     60         Properties props = new Properties();
     61         props.put("description", "An SLF4J LogService implementation.");
     62         ServiceFactory factory = new LogServiceFactory();
     63         bundleContext.registerService(LogService.class.getName(), factory, props);
     64     }
     65 
     66     /**
     67      *
     68      * Implements <code>BundleActivator.stop()</code>.
     69      *
     70      * @param bundleContext the framework context for the bundle
     71      * @throws Exception
     72      */
     73     public void stop(BundleContext bundleContext) throws Exception {
     74 
     75         // Note: It is not required that we remove the service here, since
     76         // the framework will do it automatically.
     77     }
     78 }
     79