ci: updating gradle publishing (#3)

Adds gradle configuration for publishing and signing.

Author: tanderson-ld

lib/java-server-sdk-otel/build.gradle

@@ -9,6 +9,9 @@
 plugins {
     // Apply the java-library plugin for API and implementation separation.
     id 'java-library'
+    id "maven-publish"
+    id "signing"
+    id "io.github.gradle-nexus.publish-plugin" version "1.3.0"
 }
 
 repositories {
@@ -19,6 +22,14 @@ repositories {
     }
 }
 
+allprojects {
+    group = 'com.launchdarkly'
+    version = "${version}"
+    archivesBaseName = 'launchdarkly-java-server-sdk-otel'
+    sourceCompatibility = 1.8
+    targetCompatibility = 1.8
+}
+
 dependencies {
     // Use JUnit test framework.
     testImplementation 'junit:junit:4.13.2'
@@ -28,3 +39,47 @@ dependencies {
     implementation "com.launchdarkly:launchdarkly-java-server-sdk:7.4.0-SNAPSHOT"
     implementation "io.opentelemetry:opentelemetry-api:1.2.0"
 }
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            from(components["java"])
+
+            pom {
+                name.set("LaunchDarkly Java Server Otel Integration")
+                url.set("https://github.com/launchdarkly/java-core")
+                licenses {
+                    license {
+                        name.set("The Apache License, Version 2.0")
+                        url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                    }
+                }
+                developers {
+                    developer {
+                        name.set("LaunchDarkly SDK Team")
+                        email.set("[email protected]")
+                    }
+                }
+                scm {
+                    connection.set("scm:git:git://github.com/launchdarkly/java-core.git")
+                    developerConnection.set("scm:git:ssh:[email protected]:launchdarkly/java-core.git")
+                    url.set("https://github.com/launchdarkly/java-core")
+                }
+            }
+        }
+    }
+}
+
+nexusPublishing {
+    clientTimeout = java.time.Duration.ofMinutes(2) // we've seen extremely long delays in creating repositories
+    repositories {
+        sonatype {
+            username = ossrhUsername
+            password = ossrhPassword
+        }
+    }
+}
+
+signing {
+    sign(publishing.publications["mavenJava"])
+}

lib/java-server-sdk-otel/gradle.properties

@@ -1 +1,5 @@
 version=0.1.0
+# The following empty ossrh properties are used by LaunchDarkly's internal integration testing framework
+# and should not be needed for typical development purposes (including by third-party developers).
+ossrhUsername=
+ossrhPassword=

lib/java-server-sdk-otel/settings.gradle

@@ -7,5 +7,5 @@
  * in the user manual at https://docs.gradle.org/8.0.2/userguide/multi_project_builds.html
  */
 
-rootProject.name = 'java-server-sdk-otel'
+rootProject.name = 'launchdarkly-java-server-sdk-otel'
 include('lib')