/**
* Logback: the generic, reliable, fast and flexible logging framework.
*
* Copyright (C) 2000-2008, QOS.ch
*
* This library 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.
*/
package ch.qos.logback.classic.joran.action;
import org.xml.sax.Attributes;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.action.ActionConst;
import ch.qos.logback.core.joran.spi.InterpretationContext;
import ch.qos.logback.core.util.OptionHelper;
/**
* Action which handles <logger> elements in configuration files.
*
* @author Ceki Gulcu
*/
public class LoggerAction extends Action {
public static final String LEVEL_ATTRIBUTE = "level";
boolean inError = false;
Logger logger;
public void begin(InterpretationContext ec, String name, Attributes attributes) {
// Let us forget about previous errors (in this object)
inError = false;
logger = null;
LoggerContext loggerContext = (LoggerContext) this.context;
String loggerName = attributes.getValue(NAME_ATTRIBUTE);
if (OptionHelper.isEmpty(loggerName)) {
inError = true;
String line = ", around line " + getLineNumber(ec) + " column "
+ getColumnNumber(ec);
String errorMsg = "No 'name' attribute in element " + name + line;
addError(errorMsg);
return;
}
logger = loggerContext.getLogger(loggerName);
String levelStr = attributes.getValue(LEVEL_ATTRIBUTE);
if (!OptionHelper.isEmpty(levelStr)) {
if (ActionConst.INHERITED.equalsIgnoreCase(levelStr)
|| ActionConst.NULL.equalsIgnoreCase(levelStr)) {
addInfo("Setting level of logger [" + loggerName
+ "] to null, i.e. INHERITED");
logger.setLevel(null);
} else {
Level level = Level.toLevel(levelStr);
addInfo("Setting level of logger [" + loggerName + "] to " + level);
logger.setLevel(level);
}
}
if (!OptionHelper.isEmpty(ActionConst.ADDITIVITY_ATTRIBUTE)) {
boolean additive = OptionHelper.toBoolean(attributes
.getValue(ActionConst.ADDITIVITY_ATTRIBUTE), true);
addInfo("Setting additivity of logger [" + loggerName + "] to "
+ additive);
logger.setAdditive(additive);
}
ec.pushObject(logger);
}
public void end(InterpretationContext ec, String e) {
if (inError) {
return;
}
Object o = ec.peekObject();
if (o != logger) {
addWarn("The object on the top the of the stack is not "+logger+" pushed earlier");
addWarn("It is: " + o);
} else {
ec.popObject();
}
}
public void finish(InterpretationContext ec) {
}
}