├── .gitignore
├── src
    └── main
    │   ├── resources
    │       └── application.properties
    │   └── java
    │       └── com
    │           └── morethanheroic
    │               └── uppercase
    │                   ├── domain
    │                       ├── UppercaseRequest.java
    │                       └── UppercaseResponse.java
    │                   ├── service
    │                       └── UppercaseService.java
    │                   ├── UpperFunctionApplication.java
    │                   ├── handler
    │                       └── aws
    │                       │   └── UppercaseFunctionHandler.java
    │                   └── UppercaseFunction.java
├── README.md
└── pom.xml


/.gitignore:
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1 | /target/
2 | *.iml
3 | /.idea/


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/src/main/resources/application.properties:
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1 | spring.jmx.enabled=true


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/README.md:
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1 | An example repository for an article about running Spring Cloud Functions on AWS Lambda.
2 | 
3 | The article is available here: https://dzone.com/articles/run-code-with-spring-cloud-function-on-aws-lambda
4 | 


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/src/main/java/com/morethanheroic/uppercase/domain/UppercaseRequest.java:
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 1 | package com.morethanheroic.uppercase.domain;
 2 | 
 3 | public class UppercaseRequest {
 4 | 
 5 |     private String input;
 6 | 
 7 |     public String getInput() {
 8 |         return input;
 9 |     }
10 | 
11 |     public void setInput(final String input) {
12 |         this.input = input;
13 |     }
14 | }
15 | 


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/src/main/java/com/morethanheroic/uppercase/domain/UppercaseResponse.java:
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 1 | package com.morethanheroic.uppercase.domain;
 2 | 
 3 | public class UppercaseResponse {
 4 | 
 5 |     private String result;
 6 | 
 7 |     public String getResult() {
 8 |         return result;
 9 |     }
10 | 
11 |     public void setResult(final String result) {
12 |         this.result = result;
13 |     }
14 | }
15 | 


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/src/main/java/com/morethanheroic/uppercase/service/UppercaseService.java:
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 1 | package com.morethanheroic.uppercase.service;
 2 | 
 3 | import java.util.Locale;
 4 | 
 5 | import org.springframework.stereotype.Service;
 6 | 
 7 | @Service
 8 | public class UppercaseService {
 9 |     
10 |     public String uppercase(final String input) {
11 |         return input.toUpperCase(Locale.ENGLISH);
12 |     }
13 | }
14 | 


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/src/main/java/com/morethanheroic/uppercase/UpperFunctionApplication.java:
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 1 | package com.morethanheroic.uppercase;
 2 | 
 3 | import org.springframework.boot.SpringApplication;
 4 | import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 | 
 6 | @SpringBootApplication
 7 | public class UpperFunctionApplication {
 8 | 
 9 |     public static void main(String[] args) throws Exception {
10 |         SpringApplication.run(UpperFunctionApplication.class, args);
11 |     }
12 | }
13 | 


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/src/main/java/com/morethanheroic/uppercase/handler/aws/UppercaseFunctionHandler.java:
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 1 | package com.morethanheroic.uppercase.handler.aws;
 2 | 
 3 | import org.springframework.cloud.function.adapter.aws.SpringBootRequestHandler;
 4 | 
 5 | import com.morethanheroic.uppercase.domain.UppercaseRequest;
 6 | import com.morethanheroic.uppercase.domain.UppercaseResponse;
 7 | 
 8 | public class UppercaseFunctionHandler extends SpringBootRequestHandler<UppercaseRequest, UppercaseResponse> {
 9 | }
10 | 


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/src/main/java/com/morethanheroic/uppercase/UppercaseFunction.java:
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 1 | package com.morethanheroic.uppercase;
 2 | 
 3 | import java.util.function.Function;
 4 | 
 5 | import org.springframework.stereotype.Component;
 6 | 
 7 | import com.morethanheroic.uppercase.domain.UppercaseRequest;
 8 | import com.morethanheroic.uppercase.domain.UppercaseResponse;
 9 | import com.morethanheroic.uppercase.service.UppercaseService;
10 | 
11 | @Component
12 | public class UppercaseFunction implements Function<UppercaseRequest, UppercaseResponse> {
13 | 
14 |     private final UppercaseService uppercaseService;
15 | 
16 |     public UppercaseFunction(final UppercaseService uppercaseService) {
17 |         this.uppercaseService = uppercaseService;
18 |     }
19 | 
20 |     @Override
21 |     public UppercaseResponse apply(final UppercaseRequest uppercaseRequest) {
22 |         final UppercaseResponse result = new UppercaseResponse();
23 | 
24 |         result.setResult(uppercaseService.uppercase(uppercaseRequest.getInput()));
25 | 
26 |         return result;
27 |     }
28 | }
29 | 


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/pom.xml:
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  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
  3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5 |     <modelVersion>4.0.0</modelVersion>
  6 | 
  7 |     <groupId>com.morethanheroic</groupId>
  8 |     <artifactId>spring-cloud-function-aws-example</artifactId>
  9 |     <version>1.0-SNAPSHOT</version>
 10 | 
 11 |     <parent>
 12 |         <groupId>org.springframework.boot</groupId>
 13 |         <artifactId>spring-boot-starter-parent</artifactId>
 14 |         <version>2.1.3.RELEASE</version>
 15 |         <relativePath/>
 16 |     </parent>
 17 | 
 18 |     <properties>
 19 |         <start-class>com.morethanheroic.uppercase.UpperFunctionApplication</start-class>
 20 |     </properties>
 21 | 
 22 |     <dependencies>
 23 |         <dependency>
 24 |             <groupId>org.springframework.cloud</groupId>
 25 |             <artifactId>spring-cloud-function-adapter-aws</artifactId>
 26 |             <version>2.0.1.RELEASE</version>
 27 |         </dependency>
 28 |         <dependency>
 29 |             <groupId>com.amazonaws</groupId>
 30 |             <artifactId>aws-lambda-java-events</artifactId>
 31 |             <version>2.2.6</version>
 32 |             <scope>provided</scope>
 33 |         </dependency>
 34 |         <dependency>
 35 |             <groupId>com.amazonaws</groupId>
 36 |             <artifactId>aws-lambda-java-log4j</artifactId>
 37 |             <version>1.0.0</version>
 38 |             <scope>provided</scope>
 39 |         </dependency>
 40 |     </dependencies>
 41 | 
 42 |     <build>
 43 |         <plugins>
 44 |             <plugin>
 45 |                 <groupId>org.apache.maven.plugins</groupId>
 46 |                 <artifactId>maven-compiler-plugin</artifactId>
 47 |                 <configuration>
 48 |                     <source>1.8</source>
 49 |                     <target>1.8</target>
 50 |                 </configuration>
 51 |             </plugin>
 52 |             <plugin>
 53 |                 <groupId>org.springframework.boot</groupId>
 54 |                 <artifactId>spring-boot-maven-plugin</artifactId>
 55 |                 <dependencies>
 56 |                     <dependency>
 57 |                         <groupId>org.springframework.boot.experimental</groupId>
 58 |                         <artifactId>spring-boot-thin-layout</artifactId>
 59 |                         <version>1.0.11.RELEASE</version>
 60 |                     </dependency>
 61 |                 </dependencies>
 62 |             </plugin>
 63 |             <plugin>
 64 |                 <groupId>org.apache.maven.plugins</groupId>
 65 |                 <artifactId>maven-shade-plugin</artifactId>
 66 |                 <configuration>
 67 |                     <createDependencyReducedPom>false</createDependencyReducedPom>
 68 |                     <shadedArtifactAttached>true</shadedArtifactAttached>
 69 |                     <shadedClassifierName>aws</shadedClassifierName>
 70 |                 </configuration>
 71 |             </plugin>
 72 |         </plugins>
 73 |     </build>
 74 | 
 75 |     <repositories>
 76 |         <repository>
 77 |             <id>spring-snapshots</id>
 78 |             <name>Spring Snapshots</name>
 79 |             <url>https://repo.spring.io/snapshot</url>
 80 |             <snapshots>
 81 |                 <enabled>true</enabled>
 82 |             </snapshots>
 83 |         </repository>
 84 |         <repository>
 85 |             <id>spring-milestones</id>
 86 |             <name>Spring Milestones</name>
 87 |             <url>https://repo.spring.io/milestone</url>
 88 |             <snapshots>
 89 |                 <enabled>false</enabled>
 90 |             </snapshots>
 91 |         </repository>
 92 |     </repositories>
 93 |     <pluginRepositories>
 94 |         <pluginRepository>
 95 |             <id>spring-snapshots</id>
 96 |             <name>Spring Snapshots</name>
 97 |             <url>https://repo.spring.io/snapshot</url>
 98 |             <snapshots>
 99 |                 <enabled>true</enabled>
100 |             </snapshots>
101 |         </pluginRepository>
102 |         <pluginRepository>
103 |             <id>spring-milestones</id>
104 |             <name>Spring Milestones</name>
105 |             <url>https://repo.spring.io/milestone</url>
106 |             <snapshots>
107 |                 <enabled>false</enabled>
108 |             </snapshots>
109 |         </pluginRepository>
110 |     </pluginRepositories>
111 | </project>


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