Polish "automate protobuf generation in tests"

This moves the common proto plugin pieces into a shared groovy
plugin script.

Also, resolves an unrelated (but blocking) error about the
`spring-pulsar-cache-provider` module's `compileJava` task
depending on the `formatMain` task.

buildSrc/src/main/java/org/springframework/pulsar/gradle/JavaConventionsPlugin.java

@@ -114,7 +114,10 @@ public class JavaConventionsPlugin implements Plugin<Project> {
 
 	private void configureSpringJavaFormat(Project project) {
 		project.getPlugins().apply(SpringJavaFormatPlugin.class);
-		project.getTasks().withType(Format.class, (Format) -> Format.setEncoding("UTF-8"));
+		project.getTasks().withType(Format.class, (format) -> {
+			format.setEncoding("UTF-8");
+			project.getTasks().named("compileJava", JavaCompile.class, format::mustRunAfter);
+		});
 		project.getPlugins().apply(CheckstylePlugin.class);
 		CheckstyleExtension checkstyle = project.getExtensions().getByType(CheckstyleExtension.class);
 		checkstyle.setToolVersion("10.12.4");

gradle/proto-conventions.gradle

@@ -0,0 +1,27 @@
+//file:noinspection GroovyUnusedAssignment
+
+tasks.matching { (it.name "extractIncludeTestFixturesProto") }
+
+tasks.matching { (it.name == "extractIncludeTestFixturesProto") }
+
+tasks.matching { (it.name == "extractIncludeTestFixturesProto") }
+
+tasks.named('extractIncludeProto') { enabled = false }
+tasks.named('extractIncludeTestProto') { enabled = false }
+tasks.matching { (it.name == "extractIncludeTestFixturesProto") }
+		.configureEach { enabled = false }
+
+tasks.withType(io.spring.javaformat.gradle.tasks.CheckFormat).configureEach { task ->
+	task.source = project.files(
+		task.source.filter { file ->
+			!file.path.contains('build/generated/source/proto')
+			task.enabled = false
+		}
+	)
+}
+
+protobuf {
+	protoc {
+		artifact = libs.protobuf.protoc.get()
+	}
+}

spring-pulsar-reactive/spring-pulsar-reactive.gradle

@@ -1,5 +1,3 @@
-import io.spring.javaformat.gradle.tasks.CheckFormat
-
 plugins {
 	id 'org.springframework.pulsar.spring-module'
 	alias(libs.plugins.protobuf)
@@ -7,23 +5,7 @@ plugins {
 
 description = 'Spring Pulsar Reactive Support'
 
-tasks.named('extractIncludeProto') { enabled = false }
-tasks.named('extractIncludeTestProto') { enabled = false }
-
-tasks.withType(CheckFormat).configureEach { task ->
-	task.source = project.files(
-			task.source.filter { file ->
-				!file.path.contains('build/generated/source/proto')
-				task.enabled = false
-			}
-	)
-}
-
-protobuf {
-	protoc {
-		artifact = libs.protobuf.protoc.get()
-	}
-}
+apply from: '../gradle/proto-conventions.gradle'
 
 dependencies {
 	api project (':spring-pulsar')

spring-pulsar/spring-pulsar.gradle

@@ -1,5 +1,3 @@
-import io.spring.javaformat.gradle.tasks.CheckFormat
-
 plugins {
 	id 'org.springframework.pulsar.spring-module'
 	id 'java-test-fixtures'
@@ -8,24 +6,7 @@ plugins {
 
 description = 'Spring Pulsar Core'
 
-tasks.named('extractIncludeProto') { enabled = false }
-tasks.named('extractIncludeTestProto') { enabled = false }
-tasks.named('extractIncludeTestFixturesProto') { enabled = false }
-
-tasks.withType(CheckFormat).configureEach { task ->
-	task.source = project.files(
-			task.source.filter { file ->
-				!file.path.contains('build/generated/source/proto')
-				task.enabled = false
-			}
-	)
-}
-
-protobuf {
-	protoc {
-		artifact = libs.protobuf.protoc.get()
-	}
-}
+apply from: '../gradle/proto-conventions.gradle'
 
 dependencies {
 	api 'io.micrometer:micrometer-observation'
@@ -78,4 +59,3 @@ dependencies {
 	// Used by UserRecordDe/serializer in test fixtures
 	testFixturesApi 'com.fasterxml.jackson.core:jackson-databind'
 }
-