Prune dependencies and rename samples

spring-cloud-function-samples/function-sample-pojo/src/main/java/com/example/LowercaseConfiguration.java

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+/*
+ * Copyright 2016-2017 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 com.example;
+
+import java.util.function.Function;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import reactor.core.publisher.Flux;
+
+/**
+ * @author Dave Syer
+ *
+ */
+@Configuration
+public class LowercaseConfiguration {
+
+	@Bean
+	public Function<Flux<Foo>, Flux<Bar>> lowercase() {
+		return flux -> flux.log().map(value -> new Bar(value.lowercase()));
+	}
+
+}

spring-cloud-function-samples/function-sample-pojo/src/main/java/com/example/SampleApplication.java

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+/*
+ * Copyright 2013-2016 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 com.example;
+
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+
+import reactor.core.publisher.Flux;
+
+@SpringBootApplication
+public class SampleApplication {
+
+	@Bean
+	public Function<Flux<Foo>, Flux<Bar>> uppercase() {
+		return flux -> flux.log().map(value -> new Bar(value.uppercase()));
+	}
+
+	@Bean
+	public Supplier<Flux<Bar>> words() {
+		return () -> Flux.fromArray(new Bar[] { new Bar("foo"), new Bar("bar") }).log();
+	}
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleApplication.class, args);
+	}
+
+}
+
+class Foo {
+
+	private String value;
+
+	Foo() {
+	}
+
+	public String lowercase() {
+		return value.toLowerCase();
+	}
+
+	public Foo(String value) {
+		this.value = value;
+	}
+
+	public String uppercase() {
+		return value.toUpperCase();
+	}
+
+	public String getValue() {
+		return value;
+	}
+
+	public void setValue(String value) {
+		this.value = value;
+	}
+}
+
+class Bar {
+
+	private String value;
+
+	Bar() {
+	}
+
+	public Bar(String value) {
+		this.value = value;
+	}
+
+	public String getValue() {
+		return value;
+	}
+
+	public void setValue(String value) {
+		this.value = value;
+	}
+
+}

spring-cloud-function-samples/function-sample-pojo/src/main/resources/META-INF/thin-stream.properties

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+boms.spring-cloud-dependencies: org.springframework.cloud:spring-cloud-dependencies:Dalston.SR3
+dependencies.spring-cloud-function-stream: org.springframework.cloud:spring-cloud-function-stream
+dependencies.spring-cloud-stream-rabbit: org.springframework.cloud:spring-cloud-starter-stream-rabbit

spring-cloud-function-samples/function-sample-pojo/src/main/resources/application.properties

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+spring.cloud.stream.bindings.input.destination: foos
+spring.cloud.stream.bindings.output.destination: bars
+spring.cloud.function.stream.endpoint: uppercase
+management.security.enabled: false

spring-cloud-function-samples/function-sample-pojo/src/test/java/com/example/SampleApplicationTests.java

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+/*
+ * Copyright 2016-2017 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 com.example;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.context.embedded.LocalServerPort;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Dave Syer
+ *
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class SampleApplicationTests {
+
+	@LocalServerPort
+	private int port;
+
+	@Test
+	public void words() {
+		assertThat(new TestRestTemplate()
+				.getForObject("http://localhost:" + port + "/words", String.class))
+						.isEqualTo("[{\"value\":\"foo\"},{\"value\":\"bar\"}]");
+	}
+
+	@Test
+	public void uppercase() {
+		// TODO: make this work with a JSON stream as well (like in WebFlux)
+		assertThat(new TestRestTemplate().postForObject(
+				"http://localhost:" + port + "/uppercase", "[{\"value\":\"foo\"}]",
+				String.class)).isEqualTo("[{\"value\":\"FOO\"}]");
+	}
+
+	@Test
+	public void lowercase() {
+		assertThat(new TestRestTemplate().postForObject(
+				"http://localhost:" + port + "/lowercase", "[{\"value\":\"Foo\"}]",
+				String.class)).isEqualTo("[{\"value\":\"foo\"}]");
+	}
+
+}