Use CreateFunction with an AWS SDK or CLI - Amazon CloudFront

Use CreateFunction with an AWS SDK or CLI

The following code example shows how to use CreateFunction.

Java
SDK for Java 2.x
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

import software.amazon.awssdk.core.SdkBytes; import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.cloudfront.CloudFrontClient; import software.amazon.awssdk.services.cloudfront.model.CloudFrontException; import software.amazon.awssdk.services.cloudfront.model.CreateFunctionRequest; import software.amazon.awssdk.services.cloudfront.model.CreateFunctionResponse; import software.amazon.awssdk.services.cloudfront.model.FunctionConfig; import software.amazon.awssdk.services.cloudfront.model.FunctionRuntime; import java.io.InputStream; /** * Before running this Java V2 code example, set up your development * environment, including your credentials. * * For more information, see the following documentation topic: * * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html */ public class CreateFunction { public static void main(String[] args) { final String usage = """ Usage: <functionName> <filePath> Where: functionName - The name of the function to create.\s filePath - The path to a file that contains the application logic for the function.\s """; if (args.length != 2) { System.out.println(usage); System.exit(1); } String functionName = args[0]; String filePath = args[1]; CloudFrontClient cloudFrontClient = CloudFrontClient.builder() .region(Region.AWS_GLOBAL) .build(); String funArn = createNewFunction(cloudFrontClient, functionName, filePath); System.out.println("The function ARN is " + funArn); cloudFrontClient.close(); } public static String createNewFunction(CloudFrontClient cloudFrontClient, String functionName, String filePath) { try { InputStream fileIs = CreateFunction.class.getClassLoader().getResourceAsStream(filePath); SdkBytes functionCode = SdkBytes.fromInputStream(fileIs); FunctionConfig config = FunctionConfig.builder() .comment("Created by using the CloudFront Java API") .runtime(FunctionRuntime.CLOUDFRONT_JS_1_0) .build(); CreateFunctionRequest functionRequest = CreateFunctionRequest.builder() .name(functionName) .functionCode(functionCode) .functionConfig(config) .build(); CreateFunctionResponse response = cloudFrontClient.createFunction(functionRequest); return response.functionSummary().functionMetadata().functionARN(); } catch (CloudFrontException e) { System.err.println(e.getMessage()); System.exit(1); } return ""; } }
  • For API details, see CreateFunction in AWS SDK for Java 2.x API Reference.

For a complete list of AWS SDK developer guides and code examples, see Using CloudFront with an AWS SDK. This topic also includes information about getting started and details about previous SDK versions.