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Diffstat (limited to 'src/com/itmill/toolkit/terminal/gwt/server/Log.java')
-rw-r--r-- | src/com/itmill/toolkit/terminal/gwt/server/Log.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/com/itmill/toolkit/terminal/gwt/server/Log.java b/src/com/itmill/toolkit/terminal/gwt/server/Log.java new file mode 100644 index 0000000000..7a84341543 --- /dev/null +++ b/src/com/itmill/toolkit/terminal/gwt/server/Log.java @@ -0,0 +1,133 @@ +/* ************************************************************************* + + 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.terminal.gwt.server; + +/** + * <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 3.0 + */ +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. + */ + protected 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. + */ + protected 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. + */ + protected 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. + */ + protected 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. + */ + protected static synchronized void error(java.lang.String message) { + if (Log.useStdOut) + System.out.println(LOG_MSG_ERROR + " " + message); + } +} |