added logging library

Author: BrunoBonacci

README.md

@@ -12,6 +12,8 @@ Here the instructions on how to build your own Clojure projects with GraalVM.
 Here the list of libraries tested:
 
   - [Clojure core](./clojure) :white_check_mark:
+  - [clojure/tools.logging](./tools-logging) - Logging library :white_check_mark:
+  - [clojure/tools.logging+log4j](./tools-logging-log4j) - Logging library :white_check_mark:
   - [amazonica+s3](./amazonica-s3) - Cloud API wrapper library :x: (*Buildtime and Runtime error*)
   - [cheshire](./cheshire) - JSON parser/writer :white_check_mark:
   - [nippy](./nippy) - Clojure serialization/deserialization library :warning: (*Can't serialize exceptions*)

ring-jetty/project.clj

@@ -1,4 +1,4 @@
-(defproject cheshire "0.1.0-SNAPSHOT"
+(defproject ring-jetty "0.1.0-SNAPSHOT"
   :description "FIXME: write description"
   :url "http://example.com/FIXME"
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"

safely/README.md

@@ -1,6 +1,7 @@
 # safely
 
 Testing whether [Safely](https://github.com/BrunoBonacci/safely) library can be used in a native binary image with GraalVM.
+It also show how to deal with SLF4J and Log4j.
 
 ## Usage
 

tools-logging-log4j/.gitignore

@@ -0,0 +1,12 @@
+/target
+/classes
+/checkouts
+profiles.clj
+pom.xml
+pom.xml.asc
+*.jar
+*.class
+/.lein-*
+/.nrepl-port
+.hgignore
+.hg/

tools-logging-log4j/README.md

@@ -0,0 +1,13 @@
+# clojure/tools.logging
+
+Testing whether [clojure/tools.logging](https://github.com/clojure/tools.logging) library can be used in a native binary image with GraalVM.
+
+## Usage
+
+Currently testing:
+
+    [org.clojure/tools.logging "0.4.1"]
+
+Test with:
+
+    lein do clean, uberjar, native, run-native

tools-logging-log4j/project.clj

@@ -0,0 +1,21 @@
+(defproject tools-logging "0.1.0-SNAPSHOT"
+
+  :dependencies [[org.clojure/clojure "1.10.0"]
+                 [org.clojure/tools.logging "0.4.1"]
+                 [log4j/log4j "1.2.17"]]
+
+  :main simple.main
+
+  :uberjar-name "simple-main.jar"
+  :profiles {:uberjar {:aot :all}
+             :dev {:plugins [[lein-shell "0.5.0"]]}}
+
+  :aliases
+  {"native"
+   ["shell"
+    "native-image" "--report-unsupported-elements-at-runtime" "--no-server"
+    "--initialize-at-build-time"
+    "-jar" "./target/${:uberjar-name:-${:name}-${:version}-standalone.jar}"
+    "-H:Name=./target/${:name}"]
+
+   "run-native" ["shell" "./target/${:name}"]})

tools-logging-log4j/resources/log4j.properties

@@ -0,0 +1,14 @@
+# Root logger option
+log4j.rootLogger=INFO, stdout
+
+# Direct log messages to stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.encoding=UTF-8
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%-5p %c{1}:%L - %m%n
+
+# Print only messages of level DEBUG or above in the package
+# log4j.logger.com.mypackage=DEBUG, stdout
+# or
+# log4j.category.com.mypackage=DEBUG

tools-logging-log4j/src/simple/main.clj

@@ -0,0 +1,9 @@
+(ns simple.main
+  (:require [clojure.tools.logging :as log])
+  (:gen-class))
+
+
+
+(defn -main []
+  (log/info "Hello GraalVM")
+  (println "done!"))

tools-logging/.gitignore

@@ -0,0 +1,12 @@
+/target
+/classes
+/checkouts
+profiles.clj
+pom.xml
+pom.xml.asc
+*.jar
+*.class
+/.lein-*
+/.nrepl-port
+.hgignore
+.hg/

tools-logging/README.md

@@ -0,0 +1,13 @@
+# clojure/tools.logging
+
+Testing whether [clojure/tools.logging](https://github.com/clojure/tools.logging) library can be used in a native binary image with GraalVM.
+
+## Usage
+
+Currently testing:
+
+    [org.clojure/tools.logging "0.4.1"]
+
+Test with:
+
+    lein do clean, uberjar, native, run-native