Configure annotation processing in Java compilation

Add support for annotation processing options through the `ap` property in `gradle.properties`. These options are parsed and applied to the `compileJava` task, allowing for customizable compiler arguments.

Author: nakamura-to

build.gradle.kts

@@ -246,6 +246,13 @@ configure(integrationTestProjects) {
             options.encoding = encoding
         }
 
+        compileJava {
+            val ap: String by project
+            ap.split(",").map { it.trim() }.filter { it.isNotEmpty() }.map { "-A$it" }.forEach {
+                options.compilerArgs.add(it)
+            }
+        }
+
         compileTestJava {
             options.compilerArgs.addAll(listOf("-proc:none"))
         }

gradle.properties

@@ -25,3 +25,5 @@ sqlserver.url=jdbc:tc:sqlserver:2019-CU28-ubuntu-20.04:///test?TC_DAEMON=true
 
 # javac or ecj
 compiler=javac
+# annotation processing options (CSV format)
+ap=