Java EE 7 SDK

The Bean Validation CDI Sample Application

This sample application demonstrates how to inject beans with validation constraints.

Description

This sample application injects a bean in a servlet with annotations for validation constraints. The constraints are validated at run time using the input/output provided.

@Named(value="Bean1")
public class Bean1 {
	
    public @NotNull String sayHello(@NotNull @Size(max=5) String arg) {
        return "Hello, " + arg + " !";
    }
}

The example is divided into 3 scenarios:

Scenario 1 runs successfully: the value of arg is test, which passes both constraints placed on the input.
Scenario 2 causes a failure: the value of arg is null, which violates the @NotNull constraint.
Scenario 3 causes a failure: the value of arg is testxyz, which violates the @Size(max=5) constraint.

User can click on the submit button in provided index.html or invoke servlet at http://<host>:<port>/<context-root>/ValidationServlet to run these three scenarios and get the results as HTML output.

Building, Deploying, and Running the Application

Perform the following steps to build, deploy, and run the application:

Set up your build environment and configure the application server with which the build system has to work by following the common build instructions.
app_dir is the sample application base directory: samples_install_dir/javaee7/cdi/bean-validation.
Change directory to app_dir.
Build, deploy, and run the sample application using the run outcome.
mvn clean verify cargo:run
Use the clean outcome to undeploy the sample application and to remove the temporary directories such as build and dist.
mvn clean

Troubleshooting

If you have problems when running the application, refer to the troubleshooting document.