/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.log;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.container.xml.PropertiesParam;
import org.exoplatform.container.xml.ValueParam;
import org.picocontainer.Startable;
import java.util.Map;
import java.util.Properties;
/**
* Created by The eXo Platform SAS. <br/> The component for commons based
* logging configuration initialization. There are 3 optional initialization
* parameters: logger - a logger class implemented
* org.exoplatform.services.log.Log configurator - a log system configurator
* implementation of LogConfigurator parameters - list of parameters for the
* configurator
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady
* Azarenkov</a>
* @version $Id: LogConfigurationInitializer.java 5332 2006-04-29 18:32:44Z geaz
* $
*/
public class LogConfigurationInitializer implements Startable
{
private Map properties = null;
private String logger = null;
private String configurer = null;
/**
* Constructor for in-container using
*
* @param params - initialization parameters, optionally included logger,
* configurator and properties
* @throws Exception
*/
public LogConfigurationInitializer(InitParams params) throws Exception
{
ValueParam loggerValue = params.getValueParam("logger");
if (loggerValue != null)
logger = loggerValue.getValue();
ValueParam confValue = params.getValueParam("configurator");
if (confValue != null)
configurer = confValue.getValue();
PropertiesParam p = params.getPropertiesParam("properties");
if (p != null)
properties = p.getProperties();
initLogger();
}
/**
* Simple constructor, not for use in container
*
* @param logger
* @param configurator
* @param properties
*/
public LogConfigurationInitializer(String logger, String configurator, Properties properties) throws Exception
{
this.logger = logger;
this.configurer = configurator;
this.properties = properties;
initLogger();
}
/**
* @return logger class name
*/
public String getLoggerClass()
{
return logger;
}
/**
* @return configurator class name
*/
public String getConfiguratorClass()
{
return configurer;
}
/**
* @return current Log properties (name-value pairs)
*/
public Map getProperties()
{
return properties;
}
/**
* Updates or adds property
*
* @param name
* @param value
* @throws Exception
*/
public void setProperty(String name, String value) throws Exception
{
properties.put(name, value);
initLogger();
}
/**
* Removes property
*
* @param name
* @throws Exception
*/
public void removeProperty(String name) throws Exception
{
properties.remove(name);
initLogger();
}
/*
* (non-Javadoc)
* @see org.picocontainer.Startable#start()
*/
public void start()
{
}
/*
* (non-Javadoc)
* @see org.picocontainer.Startable#stop()
*/
public void stop()
{
}
/**
* initializes log configuration
*
* @throws Exception
*/
private void initLogger() throws Exception
{
Properties props;
if (configurer != null && properties != null)
{
LogConfigurator conf = (LogConfigurator)Class.forName(configurer).newInstance();
props = new Properties();
props.putAll(properties);
conf.configure(props);
}
// todo if logger exists create and replace the factory
}
}