release 1.3.1

* kotlin update
* automate maven central publish

.github/workflows/gradle.yml

@@ -1,7 +1,7 @@
 # This workflow will build a Java project with Gradle
 # For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
 
-name: Java CI with Gradle
+name: Java CI/CD with Gradle
 
 on:
   push:
@@ -15,13 +15,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v3
-      with:
-        java-version: '8'
-        distribution: 'temurin'
-    - name: Grant execute permission for gradlew
-      run: chmod +x gradlew
-    - name: Build with Gradle
-      run: ./gradlew build
+      - uses: actions/checkout@v3
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v3
+        with:
+          java-version: '8'
+          distribution: 'temurin'
+          cache: gradle
+      - name: Build with Gradle
+        run: ./gradlew build --no-daemon
+

.github/workflows/publish.yml

@@ -1,5 +1,6 @@
 name: Publish package to the Maven Central Repository
 on:
+  workflow_dispatch:
   release:
     types: [ created ]
 jobs:
@@ -19,4 +20,4 @@ jobs:
           ORG_GRADLE_PROJECT_sonatypeUsername: ${{ secrets.OSSRH_USERNAME }}
           ORG_GRADLE_PROJECT_signingKey: ${{ secrets.OSSRH_GPG_SECRET_KEY }}
           ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.OSSRH_GPG_SECRET_PASSPHRASE }}
-        run: ./gradlew publishToSonatype --no-daemon
+        run: ./gradlew publishToSonatype closeAndReleaseSonatypeStagingRepository --no-daemon

build.gradle

@@ -84,17 +84,14 @@ nexusPublishing {
         sonatype {
             nexusUrl = uri("https://oss.sonatype.org/service/local/")
             snapshotRepositoryUrl = uri("https://oss.sonatype.org/content/repositories/snapshots/")
-            username = project.hasProperty('sonaAccessUser') ? project.property('sonaAccessUser') : ""
-            password = project.hasProperty('sonaAccessToken') ? project.property('sonaAccessToken') : ""
         }
     }
 }
 
-ext["signing.keyId"] = project.hasProperty("signing.keyId") ? project.property("signing.keyId") : ""
-ext["signing.password"] = project.hasProperty("signing.password") ? project.property("signing.password") : ""
-ext["signing.secretKeyRingFile"] = project.hasProperty("signing.secretKeyRingFile") ? project.property("signing.secretKeyRingFile") : ""
-
 signing {
+    def signingKey = findProperty("signingKey")
+    def signingPassword = findProperty("signingPassword")
+    useInMemoryPgpKeys(signingKey, signingPassword)
     sign publishing.publications
 }