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package com.sun.grizzly.osgi.httpservice.util;
import org.osgi.util.tracker.ServiceTracker;
import org.osgi.service.log.LogService;
/**
* Logger Utility.
*
* @author Hubert Iwaniuk
* @since Jan 20, 2009
*/
public class Logger {
private final ServiceTracker logTracker;
public Logger(final ServiceTracker logTracker) {
this.logTracker = logTracker;
}
private void log(final int logLevel, final String msg) {
LogService log = (LogService) logTracker.getService();
if (log == null) {
if (logLevel < LogService.LOG_WARNING)
System.out.println(msg);
} else {
log.log(logLevel, msg);
}
}
private void log(final int logLevel, final String msg, final Throwable e) {
LogService log = (LogService) logTracker.getService();
if (log == null) {
System.out.println(msg);
e.printStackTrace(System.out);
} else {
log.log(logLevel, msg, e);
}
}
public void info(String msg) {
log(LogService.LOG_INFO, msg);
}
public void debug(String msg) {
log(LogService.LOG_DEBUG, msg);
}
public void warn(String msg) {
log(LogService.LOG_WARNING, msg);
}
public void warn(String msg, Throwable e) {
log(LogService.LOG_WARNING, msg, e);
}
public void error(String msg, Throwable e) {
log(LogService.LOG_ERROR, msg, e);
}
}