Ballerina Hello Extension

Annotation based build extension implementation for ballerina.

Features:

• Generate text file with the greetings

Compatibility

	Version
Ballerina Language	1.2.x
JDK	1.8.x or later

Supported Annotations:

@hello:Greeting{}

Annotation Name	Description	Default value
salutation	Greeting or Acknowledgement	Hello!

How to run

1. Download and install JDK 8 or later.
2. Get a clone or download the source from this repository (https://github.com/ballerinax/hello)
3. Run the gradle build command gradle build from within the hello-extension directory.
4. Copy build/libs/hello-extension-1.0-SNAPSHOT.jar file to <BALLERINA_HOME>/bre/lib directory.
5. Run ballerina build greet from hello-world to generate the artifacts.

The target/greetings/greet.txt file should contain the following text: Guten Tag! from salutation()

Annotation Usage Sample:

import ballerina/http;
import ballerina/log;
import ballerinax/hello;

@hello:Greeting { salutation: "Guten Tag!" }
@http:ServiceConfig {
    basePath: "/helloWorld"
}
service helloWorld on new http:Listener(9091) {
    resource function sayHello(http:Caller caller, http:Request request) {
        http:Response response = new;
        response.setTextPayload("Hello, World from service helloWorld ! \n");
        var responseResult = caller->respond(response);
        if (responseResult is error) {
            log:printError("error occurred while responding back to client", err = responseResult);
        }
    }
}