/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.ajax4jsf.webapp;
import java.util.Properties;
import org.ajax4jsf.Messages;
import org.apache.log4j.LogManager;
import org.apache.log4j.helpers.LogLog;
import org.apache.log4j.helpers.OptionConverter;
import org.apache.log4j.xml.DOMConfigurator;
/**
* @author shura (latest modification by $Author: alexsmirnov $)
* @version $Revision: 1.1.2.1 $ $Date: 2007/01/09 18:58:18 $
*
*/
class Log4JConfigurator {
private static final String CONTEXT_ROOT_VARIABLE = "context-root";
private Properties props = new Properties();
private String prefix;
DOMConfigurator domConfig;
void doConfigure(String file){
domConfig.doConfigure(prefix + file, LogManager.getLoggerRepository());
}
/**
* @param prefix
*/
public Log4JConfigurator(String prefix) {
this.prefix = prefix;
props.setProperty(CONTEXT_ROOT_VARIABLE, prefix);
domConfig = new DOMConfigurator() {
/*
* (non-Javadoc)
*
* @see org.apache.log4j.xml.DOMConfigurator#subst(java.lang.String)
* append context-related properties for variable
* substitution.
*/
protected String subst(String value) {
try {
return OptionConverter.substVars(value, props);
} catch (IllegalArgumentException e) {
LogLog.warn(Messages.getMessage(Messages.VARIABLE_SUBSTITUTION_WARNING), e);
return value;
}
};
};
}
}