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Allow plugins to use SLF4J for logging

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SLF4J is a commonly used abstraction for various logging frameworks
such as java.util.logging (JUL) or Log4j. Currently, plugins are
required to do all their logging using the provided JUL logger.
This is annoying for plugins that target multiple platforms or when
using libraries that log messages using SLF4J.

Expose SLF4J as optional logging API for plugins, so they can use
it without having to shade it in the plugin and going through
several layers of logging abstraction.
This commit is contained in:
Minecrell 2017-09-21 16:34:36 +02:00
parent bbfc0c8ee3
commit ce34fd1ade
2 changed files with 80 additions and 0 deletions
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54
Spigot-API-Patches/0068-Allow-plugins-to-use-SLF4J-for-logging.patch Normal file
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@ -0,0 +1,54 @@
From fd9c40f3f333eab91c410c02c20b7b9f7c64ebf2 Mon Sep 17 00:00:00 2001
From: Minecrell <dev@minecrell.net>
Date: Thu, 21 Sep 2017 16:33:12 +0200
Subject: [PATCH] Allow plugins to use SLF4J for logging
SLF4J is a commonly used abstraction for various logging frameworks
such as java.util.logging (JUL) or Log4j. Currently, plugins are
required to do all their logging using the provided JUL logger.
This is annoying for plugins that target multiple platforms or when
using libraries that log messages using SLF4J.
Expose SLF4J as optional logging API for plugins, so they can use
it without having to shade it in the plugin and going through
several layers of logging abstraction.
diff --git a/pom.xml b/pom.xml
index ad385f45..b83c6eb1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -122,6 +122,14 @@
<scope>compile</scope>
</dependency>
+ <!-- Paper - Add SLF4J -->
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ <version>1.7.25</version>
+ <scope>compile</scope>
+ </dependency>
+
<!-- testing -->
<dependency>
<groupId>junit</groupId>
diff --git a/src/main/java/org/bukkit/plugin/Plugin.java b/src/main/java/org/bukkit/plugin/Plugin.java
index c4e22c62..02670254 100644
--- a/src/main/java/org/bukkit/plugin/Plugin.java
+++ b/src/main/java/org/bukkit/plugin/Plugin.java
@@ -157,6 +157,12 @@ public interface Plugin extends TabExecutor {
*/
public Logger getLogger();
+ // Paper start - Add SLF4J logger
+ default org.slf4j.Logger getSLF4JLogger() {
+ return org.slf4j.LoggerFactory.getLogger(getLogger().getName());
+ }
+ // Paper end
+
/**
* Returns the name of the plugin.
* <p>
--
2.14.1

26
Spigot-Server-Patches/0240-Include-Log4J2-SLF4J-implementation.patch Normal file
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@ -0,0 +1,26 @@
From e4b022439652ed4b044c10cadb7525671bcd54f3 Mon Sep 17 00:00:00 2001
From: Minecrell <dev@minecrell.net>
Date: Thu, 21 Sep 2017 16:33:35 +0200
Subject: [PATCH] Include Log4J2 SLF4J implementation
diff --git a/pom.xml b/pom.xml
index fa726851b..647b2c619 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,6 +98,12 @@
</dependency>
<!-- Paper - Add additional Log4J dependencies -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ <version>2.8.1</version>
+ <scope>runtime</scope>
+ </dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-iostreams</artifactId>
--
2.14.1