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jsonp: JSON-P Object-based JSON generation and Stream-based JSON consuming

Author: Rafael Benevides
Level: Beginner
Technologies: CDI, JSF, JSON-P
Summary: This quickstart demonstrates how to use the JSON-P API to produce object-based structures and then parse and consume them as stream-based JSON strings. Target Product: WildFly
Source: https://github.com/wildfly/quickstart/

What is it?

The jsonp quickstarts creates a JSON string through object-based JSON generation and then parses and consumes it using stream-based JSON.

It shows how to use the JSON-P API to generate, parse, and consume JSON files.

System requirements

The application this project produces is designed to be run on Red Hat JBoss Enterprise Application Platform 7 or later.

All you need to build this project is Java 8.0 (Java SDK 1.8) or later and Maven 3.1.1 or later. See Configure Maven for WildFly 10 to make sure you are configured correctly for testing the quickstarts.

Start the WildFly Server

  1. Open a command line and navigate to the root of the WildFly directory.

  2. The following shows the command line to start the server with the default profile:

     For Linux:   WILDFLY_HOME/bin/standalone.sh
 For Windows: WILDFLY_HOME\bin\standalone.bat

Build and Deploy the Quickstart

  1. Make sure you have started the WildFly server as described above.

  2. Open a command line and navigate to the root directory of this quickstart.

  3. Type this command to build and deploy the archive:

     mvn package wildfly:deploy

  4. This will deploy target/wildfly-jsonp to the running instance of the server.

Access the application

Access the running application in a browser at the following URL: http://localhost:8080/wildfly-jsonp/

You're presented with a simple form that is pre-filled with personal data. You can change those values if you prefer.

Click on Generate JSON String from Personal Data button. The textarea below the button presents a JSON string representing the data and values from the completed form.

Note that the JSON string contains String, number, boolean and array values.

Now, click on Parse JSON String using Stream button. The textarea below the button show sthe events generated from the parsed JSON string.

Undeploy the Archive

  1. Make sure you have started the WildFly server as described above.

  2. Open a command prompt and navigate to the root directory of this quickstart.

  3. When you are finished testing, type this command to undeploy the archive:

     mvn wildfly:undeploy

Run the Quickstart in JBoss Developer Studio or Eclipse

You can also start the server and deploy the quickstarts or run the Arquillian tests from Eclipse using JBoss tools. For more information, see Use JBoss Developer Studio or Eclipse to Run the Quickstarts

Debug the Application

If you want to debug the source code of any library in the project, run the following command to pull the source into your local repository. The IDE should then detect it.

mvn dependency:sources