Consolidate workflow

.github/workflows/maven.yml

@@ -1,17 +1,30 @@
-name: JDK8
+name: Atmosphere
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [ atmosphere-2.7.x ]
+  pull_request:
+    branches: [ atmosphere-2.7.x ]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        java-version: [8, 11, 17, 18, 21]
+
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+    - uses: actions/checkout@v2
+
+    - name: Set up JDK ${{ matrix.java-version }}
+      uses: actions/setup-java@v2
       with:
-        java-version: 1.8
+        java-version: ${{ matrix.java-version }}
+        distribution: 'temurin' 
+
     - name: Build with Maven
       run: mvn -B package --file pom.xml
+
+    - name: Test with Maven
+      run: mvn -B test --file pom.xml

README.md

@@ -8,8 +8,13 @@ Atmosphere's Java/Scala/Android Client is called [wAsync](https://github.com/Atm
 
 Main development branch is [atmosphere-2.7.x](https://github.com/Atmosphere/atmosphere/tree/atmosphere-2.7.x). Jakarta support is supported on branch `main`
 
-![JDK8](https://github.com/Atmosphere/atmosphere/workflows/JDK8/badge.svg) ![JDK11](https://github.com/Atmosphere/atmosphere/workflows/JDK11/badge.svg) ![JDK13](https://github.com/Atmosphere/atmosphere/workflows/JDK13/badge.svg) ![JDK15](https://github.com/Atmosphere/atmosphere/workflows/JDK15/badge.svg) ![JDK17](https://github.com/Atmosphere/atmosphere/workflows/JDK17/badge.svg) ![JDK18](https://github.com/Atmosphere/atmosphere/workflows/JDK18/badge.svg)
+Atmosphere 2.7.x on JDK 8 up to 21
 
+[![Atmopshere 2.7.x](https://github.com/Atmosphere/atmosphere/actions/workflows/maven.yml/badge.svg?branch=atmosphere-2.7.x)](https://github.com/Atmosphere/atmosphere/actions/workflows/maven.yml)
+
+Atmosphere 3.0.x on JDK 18 and 21
+
+[![Atmopshere 3.0.x](https://github.com/Atmosphere/atmosphere/actions/workflows/maven.yml/badge.svg?branch=main)](https://github.com/Atmosphere/atmosphere/actions/workflows/maven.yml)
 
 ### Commercial support
 Commercial Support is available via [Async-IO.org](http://async-io.org)