Add publishing to maven central

Author: Alexandre van Beurden

.github/settings.xml

@@ -0,0 +1,23 @@
+<settings>
+    <servers>
+        <server>
+            <id>central</id>
+            <username>${env.OSSRH_USERNAME}</username>
+            <password>${env.OSSRH_PASSWORD}</password>
+        </server>
+    </servers>
+    <profiles>
+        <profile>
+            <id>ossrh</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <properties>
+                <gpg.passphrase>${env.GPG_PASSPHRASE}</gpg.passphrase>
+            </properties>
+        </profile>
+    </profiles>
+    <activeProfiles>
+        <activeProfile>release</activeProfile>
+    </activeProfiles>
+</settings>

.github/workflows/deploy.yml

@@ -0,0 +1,27 @@
+name: Deploy to Maven Central
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: maven
+      - name: Build and Deploy
+        env:
+          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+        run: |
+          echo $GPG_PRIVATE_KEY | base64 --decode | gpg --import
+          mvn clean deploy -P release --settings .github/settings.xml

.github/workflows/maven.yml

@@ -8,9 +8,7 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
     - name: Set up JDK 11

pom.xml

@@ -20,6 +20,19 @@
         RegexSolver allows you to manipulate regular expressions as sets, enabling operations such as intersection,
         union, and subtraction.
     </description>
+    <developers>
+        <developer>
+            <name>Alexandre van Beurden</name>
+        </developer>
+    </developers>
+
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>https://opensource.org/licenses/MIT</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
@@ -53,6 +66,19 @@
     </dependencies>
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.3.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
@@ -64,12 +90,42 @@
                 </configuration>
                 <executions>
                     <execution>
+                        <id>attach-javadocs</id>
                         <goals>
-                            <goal>javadoc</goal>
+                            <goal>jar</goal>
                         </goals>
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.5</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                        <configuration>
+                            <gpgArguments>
+                                <arg>--pinentry-mode</arg>
+                                <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.5.0</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <publishingServerId>central</publishingServerId>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>