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clj-log4j2

A Clojure library designed to let you add log4j2 into your project. It's partly inspired by the clojure.tools/logging library, but it allows you to customize how different types get logged (for example, allowing you to automatically convert maps to json)

Usage

The following short example should give you what you need to get started:

(ns example
  (:require [clj-log4j2.core :as log]))

(defn hello-world []
  (log/info "Hello, {}!" "World"))

(extend-protocol log/LogObject clojure.lang.IPersistentMap
  (log-object [m]
    (cheshire.core/encode m)))

(defn hello-json []
  (log/info {:hello "world!"}))

(defn error-logging []
  (log/error (new Exception "foobar") "Something Crashed"))

(defn spy-on-object []
  (-> {}
      (log/spy)
      (assoc :foo :bar)))

Installation

Logging is available in Maven central. Add this to your leiningen project.clj:

[clj-log4j2 "0.1.1"]

License

Copyright © 2015 FIXME

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.