Refactoring

Author: alfonsof

awslambdalist/src/main/java/example/LambdaList.java

@@ -7,7 +7,6 @@
 
 package example;
 
-import java.io.IOException;
 import software.amazon.awssdk.core.exception.SdkException;
 import software.amazon.awssdk.awscore.exception.AwsServiceException;
 import software.amazon.awssdk.regions.Region;
@@ -16,22 +15,26 @@
 import software.amazon.awssdk.services.lambda.model.GetFunctionConfigurationResponse;
 import software.amazon.awssdk.services.lambda.model.ServiceException;
 
+
 public class LambdaList {
     private static final Region REGION = Region.of("eu-west-1");      // Region name
 
-    public static void main(String[] args) throws IOException {
+    public static void main(String[] args) {
 
         if (args.length < 1) {
-            System.out.println("Not enough parameters.\nProper Usage is: java -jar lambdalist.jar <FUNCTION_NAME>");
+            System.out.println("Not enough parameters.\n" +
+                    "Proper Usage is: java -jar lambdalist.jar <FUNCTION_NAME>");
             System.exit(1);
         }
 
         String functionName = args[0];
 
         System.out.println("Lambda function name: " + functionName);
 
+        LambdaClient awsLambda = LambdaClient.builder().region(REGION).build();
+
         try {
-            LambdaClient awsLambda = LambdaClient.builder().region(REGION).build();
+            System.out.println("Listing Lambda function ...");
 
             GetFunctionConfigurationRequest configRequest = GetFunctionConfigurationRequest.builder()
                     .functionName(functionName).build();
@@ -71,5 +74,6 @@ public static void main(String[] args) throws IOException {
                     "such as not being able to access the network.");
             System.out.println("Error Message: " + se.getMessage());
         }
+        awsLambda.close();
     }
 }