Modifying the Java EE Application - The Java EE 6 Tutorial, Volume I

Document Information

Part I Introduction

2. Using the Tutorial Examples

Part II The Web Tier

3. Getting Started with Web Applications

4. JavaServer^TM Faces Technology

5. Introduction to Facelets

6. Unified Expression Language

7. Using JavaServer^TM Faces Technology in Web Pages

8. Using Converters, Listeners and Validators

9. Developing With JavaServer^TM Faces Technology

10. Java Servlet Technology

Part III Web Services

11. Introduction to Web Services

12. Building Web Services with JAX-WS

13. Building RESTful Web Services with JAX-RS and Jersey

Part IV Enterprise Beans

14. Enterprise Beans

15. Getting Started with Enterprise Beans

Creating the Enterprise Bean

Coding the Enterprise Bean

Coding the Enterprise Bean Class

Creating the converter Web Client

Coding the converter Web Client

Compiling, Packaging, and Running the converter Example

Compiling, Packaging, and Running the converter Example in NetBeans IDE

Compiling, Packaging, and Running the converter Example Using Ant

Modifying the Java EE Application

Modifying a Class File

16. Running the Enterprise Bean Examples

Part V Contexts and Dependency Injection for the Java^TM EE Platform

17. Introduction to Contexts and Dependency Injection for the Java^TM EE Platform

18. Running the Basic Contexts and Dependency Injection Examples

Part VI Persistence

19. Introduction to the Java Persistence API

20. Running the Persistence Examples

21. The Java Persistence Query Language

22. Creating Queries Using the Criteria API

Part VII Security

23. Introduction to Security in the Java EE Platform

24. Getting Started Securing Enterprise Applications

25. Getting Started Securing Web Applications

Part VIII Java^TM EE Supporting Technologies

26. Introduction to Java^TM EE Supporting Technologies

27. Transactions

28. Resource Connections

Modifying the Java EE Application

The Enterprise Server supports iterative development. Whenever you make a change to a Java EE application, you must redeploy the application.

Modifying a Class File

To modify a class file in an enterprise bean, you change the source code, recompile it, and redeploy the application. For example, if you want to change the exchange rate in the dollarToYen business method of the ConverterBean class, you would follow these steps.

Edit ConverterBean.java and save the file.
Recompile ConverterBean.java in NetBeans IDE by right-clicking the converter project and selecting Run.
This recompiles the ConverterBean.java file, replaces the old class file in the build directory, and redeploys the application to Enterprise Server.
Recompile ConverterBean.java using Ant.
1. In a terminal window, go to the tut-install/examples/ejb/converter/ subdirectory.
2. Type the following command:
```
ant all
```
  This command repackages, deploys, and runs the application.

To modify ConvererServlet the procedure is the same as that described in the preceding steps.

The material in The Java EE 6 Tutorial, Volume I is copyright-protected and may not be published in other works without express written permission from Sun Microsystems.