Configure maven central publishing

api/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id "java-library"
     id "signing"
     id "maven-publish"
+    id "io.github.gradle-nexus.publish-plugin" version "2.0.0"
 }
 
 java {
@@ -17,14 +18,6 @@ dependencies {
     testImplementation libs.bundles.testUtils
 }
 
-def getOptionalProperty(String name) {
-    if(project.hasProperty(name)) {
-        return project.property(name)
-    }
-    logger.info("Project property '${name}' not available. Please add it to ~/.gradle/gradle.properties")
-    return null
-}
-
 publishing {
     publications {
         mavenJava(MavenPublication) {
@@ -56,21 +49,20 @@ publishing {
             }
         }
     }
-
-    repositories {
-        maven {
-            def releasesRepoUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
-            def snapshotsRepoUrl = "https://oss.sonatype.org/content/repositories/snapshots/"
-            url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
-            allowInsecureProtocol = false
-            credentials(PasswordCredentials) {
-                username = getOptionalProperty("ossrhUsername")
-                password = getOptionalProperty("ossrhPassword")
-            }
-        }
-    }
 }
 
 signing {
+    def signingKey = findProperty("signingKey")
+    def signingPassword = findProperty("signingPassword")
+    useInMemoryPgpKeys(signingKey, signingPassword)
     sign publishing.publications.mavenJava
 }
+
+nexusPublishing {
+    packageGroup = project.group
+    repositories {
+        sonatype {
+            stagingProfileId = "546ea6ce74787e"
+        }
+    }
+}