Support incoming application/x-www-form-urlencoded content

Fixes #129

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

@@ -1,29 +1,31 @@
 /*
  * 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.
-*/
+ *
+ * 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 org.springframework.util.MultiValueMap;
 import reactor.core.publisher.Flux;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
 @SpringBootApplication
 public class SampleApplication {
 
@@ -32,13 +34,25 @@ public class SampleApplication {
 		return value -> new Bar(value.uppercase());
 	}
 
-	@Bean
-	public Supplier<Flux<Foo>> words() {
-		return () -> Flux.fromArray(new Foo[] { new Foo("foo"), new Foo("bar") }).log();
+	public static void main(String[] args) {
+		SpringApplication.run(SampleApplication.class, args);
 	}
 
-	public static void main(String[] args) throws Exception {
-		SpringApplication.run(SampleApplication.class, args);
+	@Bean
+	public Function<MultiValueMap<String, String>, Map<String, Integer>> sum() {
+		return multiValueMap -> {
+
+			Map<String, Integer> result = new HashMap<>();
+
+			multiValueMap.forEach((s, strings) -> result.put(s, strings.stream().mapToInt(Integer::parseInt).sum()));
+
+			return result;
+		};
+	}
+
+	@Bean
+	public Supplier<Flux<Foo>> words() {
+		return () -> Flux.fromArray(new Foo[]{new Foo("foo"), new Foo("bar")}).log();
 	}
 
 }

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

@@ -17,18 +17,22 @@ package com.example;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
-
 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.boot.web.server.LocalServerPort;
+import org.springframework.http.MediaType;
+import org.springframework.http.RequestEntity;
 import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.util.LinkedMultiValueMap;
+
+import java.net.URI;
+import java.util.Arrays;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * @author Dave Syer
- *
  */
 @RunWith(SpringRunner.class)
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
@@ -41,7 +45,7 @@ public class SampleApplicationTests {
 	public void words() {
 		assertThat(new TestRestTemplate()
 				.getForObject("http://localhost:" + port + "/words", String.class))
-						.isEqualTo("[{\"value\":\"foo\"},{\"value\":\"bar\"}]");
+				.isEqualTo("[{\"value\":\"foo\"},{\"value\":\"bar\"}]");
 	}
 
 	@Test
@@ -55,7 +59,7 @@ public class SampleApplicationTests {
 	public void composite() {
 		assertThat(new TestRestTemplate()
 				.getForObject("http://localhost:" + port + "/words,uppercase", String.class))
-						.isEqualTo("[{\"value\":\"FOO\"},{\"value\":\"BAR\"}]");
+				.isEqualTo("[{\"value\":\"FOO\"},{\"value\":\"BAR\"}]");
 	}
 
 	@Test
@@ -72,4 +76,18 @@ public class SampleApplicationTests {
 				String.class)).isEqualTo("[{\"value\":\"foo\"}]");
 	}
 
+	@Test
+	public void sum() throws Exception {
+
+		LinkedMultiValueMap<String, String> map = new LinkedMultiValueMap<>();
+
+		map.put("A", Arrays.asList("1", "2", "3"));
+		map.put("B", Arrays.asList("5", "6"));
+
+		assertThat(new TestRestTemplate().exchange(RequestEntity.post(new URI("http://localhost:" + port + "/sum"))
+				.accept(MediaType.APPLICATION_JSON).contentType(MediaType.MULTIPART_FORM_DATA)
+				.body(map), String.class).getBody())
+				.isEqualTo("[{\"A\":6,\"B\":11}]");
+	}
+
 }