Replace Travis CI with GitHub Actions

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: "Maven"
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    name: "Build"
+    runs-on: "ubuntu-latest"
+
+    steps:
+    - uses: "actions/checkout@v4"
+
+    - name: "Set up JDK 8"
+      uses: "actions/setup-java@v4"
+      with:
+        java-version: "8"
+        distribution: "temurin"
+        cache: "maven"
+
+    - name: "Build with Maven"
+      env:
+        MAVEN_OPTS: >
+          -DtrimStackTrace=false
+          -Djansi.force=true
+        MAVEN_ARGS: >
+          --show-version
+          --batch-mode
+          --fail-fast
+          --update-snapshots
+          --no-transfer-progress
+      run: "./mvnw clean verify"

README.md

@@ -2,8 +2,7 @@ GELF Client
 ===========
 
 [![Maven Central](https://img.shields.io/maven-central/v/org.graylog2/gelfclient.svg)](https://mvnrepository.com/artifact/org.graylog2/gelfclient)
-[![Build Status](https://travis-ci.org/Graylog2/gelfclient.svg)](https://travis-ci.org/Graylog2/gelfclient)
-[![Coverage Status](https://img.shields.io/coveralls/Graylog2/gelfclient.svg)](https://coveralls.io/r/Graylog2/gelfclient)
+[![Build](https://github.com/Graylog2/gelfclient/actions/workflows/build.yml/badge.svg)](https://github.com/Graylog2/gelfclient/actions/workflows/build.yml)
 
 A Java GELF client library with support for different transports.