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/* *************************************************************************
IT Mill Toolkit
Development of Browser User Interfaces Made Easy
Copyright (C) 2000-2006 IT Mill Ltd
*************************************************************************
This product is distributed under commercial license that can be found
from the product package on license.pdf. Use of this product might
require purchasing a commercial license from IT Mill Ltd. For guidelines
on usage, see licensing-guidelines.html
*************************************************************************
For more information, contact:
IT Mill Ltd phone: +358 2 4802 7180
Ruukinkatu 2-4 fax: +358 2 4802 7181
20540, Turku email: info@itmill.com
Finland company www: www.itmill.com
Primary source for information and releases: www.itmill.com
********************************************************************** */
package com.itmill.toolkit;
/**
* <p>
* Class providing centralized logging services. The logger defines five message
* types, and provides methods to create messages of those types. These types
* are:
* </p>
*
* <ul>
* <li> <code>info</code> - Useful information generated during normal
* operation of the application.
* <li> <code>warning</code> - An error situation has occurred, but the
* operation was able to finish succesfully.
* <li> <code>error</code> - An error situation which prevented the operation
* from finishing succesfully.
* <li> <code>debug</code> - Internal information from the application meant
* for developers.
* <li> <code>exception</code> - A Java exception reported using the logger.
* Includes the exception stack trace and a possible free-form message.
* </ul>
*
* <p>
* Currently the class offers logging only to the standard output.
* </p>
*
* @author IT Mill Ltd.
* @version
* @VERSION@
* @since 5.0
*/
public class Log {
private static boolean useStdOut = true;
private static String LOG_MSG_INFO = "[INFO]";
private static String LOG_MSG_ERROR = "[ERROR]";
private static String LOG_MSG_WARN = "[WARNING]";
private static String LOG_MSG_DEBUG = "[DEBUG]";
private static String LOG_MSG_EXCEPT = "[EXCEPTION]";
/**
* Logs the <code>warning</code> message.
*
* @param message
* the Message String to be logged.
*/
public static synchronized void warn(java.lang.String message) {
if (Log.useStdOut)
System.out.println(LOG_MSG_WARN + " " + message);
}
/**
* Logs the <code>debug</code> message.
*
* @param message
* the Message String to be logged.
*/
public static synchronized void debug(java.lang.String message) {
if (Log.useStdOut)
System.out.println(LOG_MSG_DEBUG + " " + message);
}
/**
* Logs an <code>info</code> message.
*
* @param message
* the Message String to be logged.
*/
public static synchronized void info(java.lang.String message) {
if (Log.useStdOut)
System.out.println(LOG_MSG_INFO + " " + message);
}
/**
* Logs the Java exception and an accompanying error message.
*
* @param message
* the Message String to be logged.
* @param e
* the Exception to be logged.
*/
public static synchronized void except(java.lang.String message, Exception e) {
if (Log.useStdOut) {
System.out.println(LOG_MSG_EXCEPT + " " + message);
e.printStackTrace();
}
}
/**
* Logs the <code>error</code> message.
*
* @param message
* the Message String to be logged.
*/
public static synchronized void error(java.lang.String message) {
if (Log.useStdOut)
System.out.println(LOG_MSG_ERROR + " " + message);
}
}
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