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Library, provides easy to use logging capabilities, which works transparently on both the client and the server, while providing compile time elimination of client logging code via deferred binding for GWT.

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status: inactive

This project is no longer actively developed or maintained.

Summary

Library, provides easy to use logging capabilities, which works transparently on both the client and the server, while providing compile time elimination of client logging code via deferred binding for Google Web Toolkit (GWT).

Key Features

  • Production Mode stack trace deobfuscation!

  • Client-side logging code is compiled out and introduces zero-overhead+ due to GWT compiler dead code elimination when log_level=OFF

  • Serializable classes (domain objects, POJOs, etc.) can utilize the same logging code in client and server source code

  • Server side logging for mobile devices such as the Android, iPhone

  • Server side logging automatically detects Apache log4j, falling back to JDK 1.4 logging

  • Seven out of the box log levels (TRACE, DEBUG, INFO, WARN, ERROR, FATAL, OFF)

  • Several ways to control logging, via *.gwt.xml module file, a gwt:property in your HTML, a log_level URL parameter, at run time via Log.setCurrentLogLevel(...)

  • Ability to independently control compile time and runtime log levels

  • Both client side and server side logging work seamlessly with Google App Engine

  • Wide variety of context sensitive log destinations:

    Logger Description
    ConsoleLogger Utilizes console.log() for supporting browsers and installed JavaScript libraries.
    FirebugLogger Utilizes Firebug console API logging.
    DivLogger Utilizes a floating/draggable DIV for log messages.
    GWTLogger Utilizes GWT.log(), which will appear in the development shell in Development Mode.
    SystemLogger Utilizes System.err and System.out.
    RemoteLogger Sends copies of client log messages to the server, with optional deobfuscation.
    WindowLogger (Experimental) Logs messages to a separate window.

+ Unless your logging parameters are determined by the GWT compiler to have side effects

Questions?

If you have questions, please post them on http://groups.google.com/group/gwt-log and I (or someone else) will try to answer them as best as possible. Using the forum means that others can benefit from any answers and feedback you get. It is always the fastest way to get an answer to a new question.

Is your project using gwt-log?

I'd like to know if you're using gwt-log on your project, and how useful (or not) this library is to you. You can send me an email at fredsa@gmail.com.

Working examples

Try the logging demo:

Getting started with your own gwt-log project

Read the wiki here: https://github.com/fredsa/gwt-log/wiki/GettingStarted

Feedback

Please let me know what you think. Suggestions are always welcome.

Other GWT projects by the same author

Project Description
gwt-dnd Provides drag and drop support for your GWT applications.
gwt-voices Provides sound support for your GWT applications.

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Library, provides easy to use logging capabilities, which works transparently on both the client and the server, while providing compile time elimination of client logging code via deferred binding for GWT.

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