Actions

.github/workflows/build.yml

@@ -0,0 +1,41 @@
+name: Run gradle build
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches: 
+      - "main"
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+
+    - uses: actions/checkout@v4
+
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v4
+
+    - name: Build with Gradle
+      run: |
+        ./gradlew build
+
+    - uses: actions/upload-artifact@v4
+      with:
+        path: build/libs/*.jar
+        name: build
+        retention-days: 7

.github/workflows/github_release.yml

@@ -0,0 +1,23 @@
+name: Make draft release
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Run build
+    uses: ./.github/workflows/build.yml
+
+  release:
+    needs: build
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+
+      - uses: actions/download-artifact@v4
+
+      - name: Release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: gh release create --draft ${{ github.ref_name }} --title ${{ github.ref_name }} build/*.jar

.github/workflows/maven.yml

@@ -0,0 +1,44 @@
+name: Publish to SciJava Maven
+
+on:
+  workflow_call:
+    inputs:
+      release:
+        required: false
+        type: boolean
+        default: false
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Add release flag if input variable is set
+        if: ${{ inputs.release }}
+        shell: bash
+        run: |
+          echo "RELEASE_FLAG='-Prelease'" >> $GITHUB_ENV
+
+      - name: Publish
+        shell: bash
+        run: |
+          ./gradlew publish -P toolchain=21 $RELEASE_FLAG
+        env:
+          MAVEN_USER: ${{ secrets.MAVEN_USER }}
+          MAVEN_PASS: ${{ secrets.MAVEN_PASS }}
+
+      - uses: actions/upload-artifact@v3
+        if: ${{ inputs.release }}
+        with:
+          name: ${{ github.event.repository.name }}-release-jar
+          path: build/libs
+          retention-days: 7

.github/workflows/maven_release.yml

@@ -0,0 +1,12 @@
+name: Publish release to SciJava Maven
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Publish release
+    uses: ./.github/workflows/maven.yml
+    secrets: inherit
+    with:
+      release: true

.github/workflows/maven_snapshot.yml

@@ -0,0 +1,10 @@
+name: Publish snapshot to SciJava Maven
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Publish snapshot
+    uses: ./.github/workflows/maven.yml
+    secrets: inherit

build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'java-library'
+    id 'maven-publish'
     id 'com.github.johnrengelman.shadow' version '8.1.1'
     // Include this plugin to avoid downloading JavaCPP dependencies for all platforms
     id 'org.bytedeco.gradle-javacpp-platform'
@@ -12,6 +13,7 @@ base {
     archivesName = rootProject.name
     version = '0.1.0-SNAPSHOT'
     description = 'Connect QuPath to Python using Py4J'
+    group = 'io.github.qupath'
 }
 
 ext.qupathVersion = gradle.ext.qupathVersion
@@ -74,7 +76,7 @@ tasks.register("copyDependencies", Copy) {
 }
 
 /*
- * Ensure Java 17 compatibility, and include sources and javadocs when building.
+ * Ensure Java compatibility, and include sources and javadocs when building.
  */
 java {
     toolchain {
@@ -126,3 +128,35 @@ repositories {
         url "https://maven.scijava.org/content/repositories/snapshots"
     }
 }
+
+
+publishing {
+    repositories {
+        maven {
+            name = "SciJava"
+            def releasesRepoUrl = uri("https://maven.scijava.org/content/repositories/releases")
+            def snapshotsRepoUrl = uri("https://maven.scijava.org/content/repositories/snapshots")
+            // Use gradle -Prelease publish
+            url = project.hasProperty('release') ? releasesRepoUrl : snapshotsRepoUrl
+            credentials {
+                username = System.getenv("MAVEN_USER")
+                password = System.getenv("MAVEN_PASS")
+            }
+        }
+    }
+
+    publications {
+        mavenJava(MavenPublication) {
+            from components.java
+
+            pom {
+                licenses {
+                    license {
+                        name = 'Apache License v2.0'
+                        url = 'http://www.apache.org/licenses/LICENSE-2.0'
+                    }
+                }
+            }
+        }
+    }
+}