Programming Open Service Gateways with Java Embedded Server™ Technology

A.3. Chapter 9—Permission-based Security and Administration

A.3.1. Parameter Services

The parameter bundle provides a comprehensive example that illustrates the following features:

• Service factory

• Asynchronous event handling

• Permission checking

• Performing privileged actions

In a Java run-time environment that does not support permissions, comment out the security-related code.

A.3.1.1. com/acme/service/param/ParamService.java

 package com.acme.service.param; /** * This service allows a caller to store and retrieve parameters * in the form of a key/value pair. */ public interface ParameterService { /** * Stores a parameter. * @param key the name of the parameter. * @param value the value of the parameter. */ public void set(String key, String value); ...