[bs-73] Tweak algorithm for detecting anonymous classes

@Bean definitions in Groovy that contain closures have the bean name in
the class name.  Ugh.  Added regex match to catch that.

[#48718891]

spring-bootstrap-cli/samples/integration.groovy

@@ -1,15 +1,17 @@
 package org.test
 
 @Component
+@EnableIntegrationPatterns
 class SpringIntegrationExample implements CommandLineRunner {
 
-	def builder = new IntegrationBuilder()
+	@Bean
-	def flow = builder.messageFlow {
+	MessageFlow flow(ApplicationContext context) {
-		transform {"Hello, $it!"}
+		def builder = new IntegrationBuilder(context)
+		builder.messageFlow { transform {"Hello, $it!"} }
 	}
 
 	@Override
-	public void run(String... args) {
+	void run(String... args) {
-      print flow.sendAndReceive("World")
+		print flow().sendAndReceive("World")
 	}
 }

spring-bootstrap-cli/samples/worker.groovy

@@ -0,0 +1,20 @@
+package org.test
+
+@Grab("org.springframework.bootstrap:spring-bootstrap-service:0.0.1-SNAPSHOT")
+@Grab("org.springframework.integration:spring-integration-dsl-groovy-amqp:1.0.0.M1")
+
+@Component
+@EnableIntegrationPatterns
+class SpringIntegrationExample implements CommandLineRunner {
+
+	@Bean
+	MessageFlow flow(ApplicationContext context) {
+		def builder = new IntegrationBuilder(context)
+		builder.messageFlow { transform {"Hello, $it!"} }
+	}
+
+	@Override
+	void run(String... args) {
+		print flow().sendAndReceive("World")
+	}
+}

spring-bootstrap-cli/src/main/java/org/springframework/bootstrap/cli/compiler/autoconfigure/SpringBootstrapCompilerAutoConfiguration.java

@@ -72,6 +72,8 @@ public class SpringBootstrapCompilerAutoConfiguration extends CompilerAutoConfig
 				"org.springframework.context.annotation.Scope",
 				"org.springframework.context.annotation.Configuration",
 				"org.springframework.context.annotation.Bean",
+				"org.springframework.context.ApplicationContext",
+				"org.springframework.context.MessageSource",
 				"org.springframework.core.io.ResourceLoader",
 				"org.springframework.bootstrap.CommandLineRunner",
 				"org.springframework.bootstrap.context.annotation.EnableAutoConfiguration");

spring-bootstrap-cli/src/main/java/org/springframework/bootstrap/cli/compiler/autoconfigure/SpringIntegrationCompilerAutoConfiguration.java

@@ -16,6 +16,12 @@
 
 package org.springframework.bootstrap.cli.compiler.autoconfigure;
 
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
 import org.codehaus.groovy.ast.ClassNode;
 import org.codehaus.groovy.control.customizers.ImportCustomizer;
 import org.springframework.bootstrap.cli.compiler.AstUtils;
@@ -33,8 +39,8 @@ public class SpringIntegrationCompilerAutoConfiguration extends CompilerAutoConf
 	public boolean matches(ClassNode classNode) {
 		// Slightly weird detection algorithm because there is no @Enable annotation for
 		// Integration
-		return AstUtils.hasLeastOneAnnotation(classNode, "MessageEndpoint")
+		return AstUtils.hasLeastOneAnnotation(classNode, "MessageEndpoint",
-				|| classNode.getName().contains("SpringIntegration");
+				"EnableIntegrationPatterns");
 	}
 
 	@Override
@@ -59,6 +65,15 @@ public class SpringIntegrationCompilerAutoConfiguration extends CompilerAutoConf
 				"org.springframework.integration.annotation.Headers",
 				"org.springframework.integration.annotation.Payload",
 				"org.springframework.integration.annotation.Payloads",
+				EnableIntegrationPatterns.class.getCanonicalName(),
+				"org.springframework.integration.dsl.groovy.MessageFlow",
 				"org.springframework.integration.dsl.groovy.builder.IntegrationBuilder");
 	}
+
+	@Target(ElementType.TYPE)
+	@Documented
+	@Retention(RetentionPolicy.RUNTIME)
+	public static @interface EnableIntegrationPatterns {
+
+	}
 }

spring-bootstrap/src/main/java/org/springframework/bootstrap/BeanDefinitionLoader.java

@@ -163,7 +163,7 @@ class BeanDefinitionLoader {
 		}
 		// Nested anonymous classes are not eligible for registration, nor are groovy
 		// closures
-		if (type.isAnonymousClass() || type.getName().contains("$_closure")
+		if (type.isAnonymousClass() || type.getName().matches(".*\\$_.*closure.*")
 				|| type.getConstructors() == null || type.getConstructors().length == 0) {
 			return false;
 		}