Add Application Load Balancer Target Events (aws#131)

* Classes to represent the request and response events for Application Load Balancer integration.

Author: msailes

aws-lambda-java-events/README.md

@@ -5,6 +5,8 @@
 * `APIGatewayProxyResponseEvent`
 * `APIGatewayV2ProxyRequestEvent`
 * `APIGatewayV2ProxyResponseEvent`
+* `ApplicationLoadBalancerRequestEvent`
+* `ApplicationLoadBalancerResponseEvent`
 * `CloudFrontEvent`
 * `CloudWatchLogsEvent`
 * `CodeCommitEvent`

aws-lambda-java-events/pom.xml

@@ -56,6 +56,12 @@
       <version>5.5.2</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.12</version>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
 
   <profiles>

aws-lambda-java-events/src/main/java/com/amazonaws/services/lambda/runtime/events/ApplicationLoadBalancerRequestEvent.java

@@ -0,0 +1,47 @@
+package com.amazonaws.services.lambda.runtime.events;
+
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Class to represent the request event from Application Load Balancer.
+ *
+ * @see <a href="https://docs.aws.amazon.com/lambda/latest/dg/services-alb.html">Using AWS Lambda with an Application Load Balancer</a>
+ *
+ * @author msailes <[email protected]>
+ */
+
+@NoArgsConstructor
+@Data
+public class ApplicationLoadBalancerRequestEvent implements Serializable, Cloneable  {
+
+    @NoArgsConstructor
+    @Data
+    public static class Elb implements Serializable, Cloneable {
+
+        private String targetGroupArn;
+
+    }
+
+    @NoArgsConstructor
+    @Data
+    public static class RequestContext implements Serializable, Cloneable {
+
+        private Elb elb;
+
+    }
+
+    private RequestContext requestContext;
+    private String httpMethod;
+    private String path;
+    private Map<String, String> queryStringParameters;
+    private Map<String, String> headers;
+    private Map<String, List<String>> multiValueHeaders;
+    private String body;
+    private boolean isBase64Encoded;
+
+}

aws-lambda-java-events/src/main/java/com/amazonaws/services/lambda/runtime/events/ApplicationLoadBalancerResponseEvent.java

@@ -0,0 +1,29 @@
+package com.amazonaws.services.lambda.runtime.events;
+
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Class to represent the response event to Application Load Balancer.
+ *
+ * @see <a href="https://docs.aws.amazon.com/lambda/latest/dg/services-alb.html">Using AWS Lambda with an Application Load Balancer</a>
+ *
+ * @author msailes <[email protected]>
+ */
+
+@NoArgsConstructor
+@Data
+public class ApplicationLoadBalancerResponseEvent implements Serializable, Cloneable {
+
+    private int statusCode;
+    private String statusDescription;
+    private boolean isBase64Encoded;
+    private Map<String, String> headers;
+    private Map<String, List<String>> multiValueHeaders;
+    private String body;
+
+}