Add Reactor autoconfiguration

* Make Rector @Autowirable
* Create a ConsumerBeanPostProcessor so users can add
@On and @Reply to bean methods
* Added groovy auto compiler and script sample

[#53955419] [bs-250]

spring-cli/samples/reactor.groovy

@@ -0,0 +1,21 @@
+package org.test
+
+@EnableReactor
+@Log
+class Runner implements CommandLineRunner {
+	
+	@Autowired
+	Reactor reactor
+
+	void run(String... args) {
+		reactor.notify("hello", Event.wrap("Phil"))
+		log.info "Notified Phil"
+	}
+	
+	@On(reactor="reactor", selector="hello")
+	void receive(Event<String> event) {
+		log.info "Hello ${event.data}"
+	} 
+}
+
+

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

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2012-2013 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.
+ */
+
+package org.springframework.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.cli.compiler.AstUtils;
+import org.springframework.cli.compiler.CompilerAutoConfiguration;
+import org.springframework.cli.compiler.DependencyCustomizer;
+
+/**
+ * {@link CompilerAutoConfiguration} for the Recator.
+ * 
+ * @author Dave Syer
+ */
+public class ReactorCompilerAutoConfiguration extends CompilerAutoConfiguration {
+
+	@Override
+	public boolean matches(ClassNode classNode) {
+		return AstUtils.hasAtLeastOneAnnotation(classNode, "EnableReactor");
+	}
+
+	@Override
+	public void applyDependencies(DependencyCustomizer dependencies) {
+		dependencies
+				.ifAnyMissingClasses("org.reactor.Reactor")
+				.add("org.projectreactor", "reactor-spring",
+						dependencies.getProperty("reactor.version"), false)
+				.add("org.projectreactor", "reactor-core",
+						dependencies.getProperty("reactor.version"));
+	}
+
+	@Override
+	public void applyImports(ImportCustomizer imports) {
+		imports.addImports("reactor.core.Reactor", "reactor.event.Event",
+				"reactor.spring.context.annotation.On",
+				"reactor.spring.context.annotation.Reply",
+				EnableReactor.class.getCanonicalName());
+	}
+
+	@Target(ElementType.TYPE)
+	@Documented
+	@Retention(RetentionPolicy.RUNTIME)
+	public static @interface EnableReactor {
+
+	}
+}

spring-cli/src/main/resources/META-INF/services/org.springframework.cli.compiler.CompilerAutoConfiguration

@@ -1,5 +1,6 @@
 org.springframework.cli.compiler.autoconfigure.SpringCompilerAutoConfiguration
 org.springframework.cli.compiler.autoconfigure.SpringMvcCompilerAutoConfiguration
 org.springframework.cli.compiler.autoconfigure.SpringBatchCompilerAutoConfiguration
+org.springframework.cli.compiler.autoconfigure.ReactorCompilerAutoConfiguration
 org.springframework.cli.compiler.autoconfigure.SpringIntegrationCompilerAutoConfiguration
 org.springframework.cli.compiler.autoconfigure.SpringSecurityCompilerAutoConfiguration

spring-cli/src/main/resources/META-INF/springcli.properties

@@ -5,4 +5,5 @@ spring.security.version: ${spring.security.version}
 spring.integration.version: ${spring.integration.version}
 groovy.version: ${groovy.version}
 jetty.version: ${jetty.version}
-tomcat.version: ${tomcat.version}
+tomcat.version: ${tomcat.version}
+reactor.version: ${reactor.version}

spring-cli/src/test/java/org/springframework/cli/SampleIntegrationTests.java

@@ -117,6 +117,18 @@ public class SampleIntegrationTests {
 				output.contains("completed with the following parameters"));
 	}
 
+	@Test
+	public void reactorSample() throws Exception {
+		start("samples/reactor.groovy", "Phil");
+		String output = getOutput();
+		int count = 0;
+		while (!output.contains("Hello Phil") && count++ < 5) {
+			Thread.sleep(200);
+			output = getOutput();
+		}
+		assertTrue("Wrong output: " + output, output.contains("Hello Phil"));
+	}
+
 	@Test
 	public void jobWebSample() throws Exception {
 		start("samples/job.groovy", "samples/web.groovy", "foo=bar");

spring-cli/src/test/resources/logback.xml

@@ -14,6 +14,6 @@
 		<appender-ref ref="CONSOLE" />
 	</root>
 	
-	<!-- logger name="org.springframework" level="DEBUG"/ -->
+	<logger name="org.springframework" level="DEBUG"/>
 	
 </configuration>