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Ballerina Composer

Build Status
The Ballerina Composer provides a flexible and powerful browser-based tool for creating your Ballerina programs. You can build your integrations by creating sequence diagrams, dragging elements from a tool palette onto a canvas. As you build the diagrams, the underlying code is written for you, which you can work with in the Source view. You can also use the Swagger view of a Service and writing Swagger definitions. You can switch seamlessly between the Design view, Source view and create your programs in the way that you like to work.

You can create your integration in Design view:

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And go to Source view to edit the code that's generated:

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See Design and Source view at the same time:

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You can also go to Swagger view through the heading of a Service's Design View to edit the Swagger definition that's generated:

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Running the Composer

The Composer is included in the full distribution of Ballerina Tools Distribution, which you can download from www.ballerinalang.org. After you unzip it, navigate to its /bin directory in the command line, and enter the following command:

For Windows

composer.bat

For Unix/Linux

./composer

The command line will display the URL you can use to access the Composer in your browser.

How to build

The build process of the composer works on Maven and Node Package Manager(npm).

Prerequisites

  • JDK 1.8.0
  • NodeJS (Version 8.x or later, 8.9.1 LTS Recommended)
  • Maven 3.0.5

Steps to build

  1. Clone(git clone) and build the ballerinalang/composer project using mvn clean install.
  2. Clone(git clone) and build ballerinalang/tools-distribution project using mvn clean install. Find the distribution in tools-distribution/modules/ballerina-tools/target folder.

Developement commands on web module(<BALLERINA_COMPOSER>/modules/web)

  • npm install - Installs all npm dependencies.
  • npm run clean - Deletes the /dist(distribution folder) in the web module.
  • npm run build or npm run webpack - To build the web module.
  • npm run dev - To start development server with hot deployment. Go to http://localhost:8080 or http://127.0.0.1:8080 afterwards.
  • npm run test - Executes tests. The tests requires the composer service to run.
  • npm run lint - Run eslint on the code to find potential problems in the code.

Browser Compatibility

For now the Composer supports only following browsers.

  • Google Chrome ( v49 and above )
  • Mozilla Firefox ( v50 and above )
  • Safari (10.1 and above)
  • Edge