Configure builds for JDK EA (#769)

Set up builds to work with JDK EA releases.

(Thanks to @SentryMan for making me aware of this feature).

Author: ascopes

.github/workflows/build-EA.yml

@@ -24,7 +24,7 @@ jobs:
         os-name: [ubuntu-latest]
         java-version:
           - GA  # Latest GA JDK
-         # - EA  # Current Mainline (lombok doesn't yet support)
+          - EA  # Current Mainline 
         include:
           - os-name: macos-latest
             java-version: GA
@@ -42,7 +42,7 @@ jobs:
         with:
           website: jdk.java.net
           release: ${{ matrix.java-version }}
-          
+
       - name: Maven cache
         uses: actions/cache@v4
         env:
@@ -51,7 +51,7 @@ jobs:
           path:
             ~/.m2
           key: build-${{ env.cache-name }}
-          
+
       - name: Compile and run tests
         shell: bash
         run: ./mvnw -B -U clean verify

java-compiler-testing/src/it/google-error-prone/selector.bsh

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 - 2024, the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Use bsh rather than groovy since groovy does not support arbitrary JVM bytecode versions.
+if (Runtime.version().toString().toLowerCase().contains("ea")) {
+  System.out.println("Error Prone does not support EA releases of the JDK.");
+  return false;
+} else {
+  System.out.println("Detected a GA release, proceeding");
+  return true;
+}

java-compiler-testing/src/it/lombok/selector.bsh

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 - 2024, the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Use bsh rather than groovy since groovy does not support arbitrary JVM bytecode versions.
+if (Runtime.version().toString().toLowerCase().contains("ea")) {
+  System.out.println("Lombok does not support EA releases of the JDK.");
+  return false;
+} else {
+  System.out.println("Detected a GA release, proceeding");
+  return true;
+}

pom.xml

@@ -609,13 +609,15 @@
                 <include>**.yaml</include>
                 <include>**/pom.xml</include>
                 <include>**/security-suppressions.xml</include>
+                <include>**/src/**/*.bsh</include>
                 <include>**/src/**/*.groovy</include>
                 <include>**/src/**/*.java</include>
                 <include>**/src/it/settings.xml</include>
               </includes>
             </licenseSet>
           </licenseSets>
           <mapping>
+            <bsh>SLASHSTAR_STYLE</bsh>
             <groovy>SLASHSTAR_STYLE</groovy>
             <java>SLASHSTAR_STYLE</java>
             <toml>SCRIPT_STYLE</toml>