Questions and Exercises: Doing More With Rich Internet Applications

Questions

1. True or False: Rich Internet applications (RIAs) can set secure properties by prefixing the property name with "jnlp.".
2. True or False: Only signed RIAs can use JNLP API to access files on the client.

Exercises

1. To the following JNLP file, add a secure property called jnlp.foo and set its value to true.

   <?xml version="1.0" encoding="UTF-8"?>
   <jnlp spec="1.0+" codebase="" href="">
    <information>
    <title>Dynamic Tree Demo</title>
    <vendor>Dynamic Team</vendor>
    </information>
    <resources>
    <!-- Application Resources -->
    <j2se version="1.6+" href=
    "http://java.sun.com/products/autodl/j2se" />
    <jar href="dynamictreedemo.jar" main="true" />
    </resources>
    <applet-desc 
    name="dynamic tree demo applet"
    main-class="components.DynamicTreeApplet" >
    </applet-desc>
    <update check="background"/>
   </jnlp> 
   

Check your answers.