Fix up some gradle config, use compat LM

buildSrc/src/main/kotlin/common.kt

@@ -28,7 +28,7 @@ import org.jfrog.gradle.plugin.artifactory.dsl.PublisherConfig
 import org.jfrog.gradle.plugin.artifactory.task.ArtifactoryTask
 
 fun Project.applyCommonConfig(
-        group: String = rootProject.group.toString()
+    group: String = rootProject.group.toString()
 ) {
     apply(plugin = "java-library")
     apply(plugin = "java")
@@ -50,7 +50,7 @@ fun Project.applyCommonConfig(
     }
 
     repositories {
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
@@ -96,18 +96,9 @@ fun Project.applyCommonConfig(
 }
 
 private fun Project.addExtraArchiveArtifacts() {
-    val sourcesJar = tasks.register<Jar>("sourcesJar") {
-        dependsOn("classes")
-        archiveClassifier.set("sources")
-        from(project.the<SourceSetContainer>().getByName("main").allSource)
-    }
-    val javadocJar = tasks.register<Jar>("javadocJar") {
-        dependsOn("javadoc")
-        archiveClassifier.set("javadoc")
-        from(tasks.getByName("javadoc"))
-    }
-    tasks.named("build") {
-        dependsOn(sourcesJar, javadocJar)
+    configure<JavaPluginExtension> {
+        withSourcesJar()
+        withJavadocJar()
     }
 }
 
@@ -119,8 +110,6 @@ private fun Project.configureMavenPublish() {
                 artifactId = project.name
                 version = project.version.toString()
 
-                artifact(tasks.getByName("sourcesJar"))
-                artifact(tasks.getByName("javadocJar"))
                 from(components["java"])
             }
         }
@@ -143,10 +132,12 @@ fun Project.configureArtifactory() {
             setPublishIvy(false)
             setPublishPom(true)
             repository(delegateClosureOf<DoubleDelegateWrapper> {
-                invokeMethod("setRepoKey", when {
-                    "SNAPSHOT" in project.version.toString() -> "libs-snapshot-local"
-                    else -> "libs-release-local"
-                })
+                invokeMethod(
+                    "setRepoKey", when {
+                        "SNAPSHOT" in project.version.toString() -> "libs-snapshot-local"
+                        else -> "libs-release-local"
+                    }
+                )
                 invokeMethod("setUsername", project.property("artifactory_user"))
                 invokeMethod("setPassword", project.property("artifactory_password"))
             })

default-impl/src/main/java/org/enginehub/piston/impl/CommandParser.java

@@ -42,7 +42,6 @@
 import com.google.common.collect.Iterators;
 import net.kyori.text.Component;
 import net.kyori.text.TextComponent;
-import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.enginehub.piston.Command;
 import org.enginehub.piston.CommandMetadata;
@@ -70,7 +69,7 @@
 
 class CommandParser {
 
-    private static final Logger LOGGER = LogManager.getLogger();
+    private static final Logger LOGGER = LogManagerCompat.getLogger();
 
     private static final ThreadLocal<String> PARSE_ID = new ThreadLocal<>();
 

default-impl/src/main/java/org/enginehub/piston/impl/LogManagerCompat.java

@@ -0,0 +1,47 @@
+/*
+ * Piston, a flexible command management system.
+ * Copyright (C) EngineHub <https://www.enginehub.org>
+ * Copyright (C) Piston contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.enginehub.piston.impl;
+
+import com.google.common.base.Throwables;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+
+/**
+ * Internal use only.
+ */
+public class LogManagerCompat {
+
+    public static Logger getLogger() {
+        return LogManager.getLogger(getCallerCallerClassName());
+    }
+
+    private static String getCallerCallerClassName() {
+        List<StackTraceElement> lazyStack = Throwables.lazyStackTrace(new Throwable());
+        // 0 - this method
+        // 1 - caller
+        // 2 - caller caller
+        return lazyStack.get(2).getClassName();
+    }
+
+    private LogManagerCompat() {
+    }
+}