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Chapter 17 Using Applets As Servlet Front Ends

Listing 17.6 QueryGenerator.java (continued)

  // The real, honest to goodness queries people have sent : )

  private String randomQuery() {

    String[] locations = { "Where ", "How " };

    String[] actions =

      { "can I look for ", "can I find ", "can I get " };

    String[] sources =

      { "information ", "resources ", "data ", "references " };

    String[] prepositions = { "on ", "about ", "concerning " };

    String[] subjects =

      { "the book Core Servlets and JavaServer Pages",

        "the text Core Servlets and JavaServer Pages",

        "Core Servlets and JavaServer Pages",

        "Core Servlets and JSP",

        "the book Core Web Programming (Java 2 Edition)",

        "Core Web Programming (Java 2 Edition)",

        "servlet programming", "JavaServer Pages", "JSP",

        "Java alternatives to CGI", "server side Java" };

    String[] endings = { "?", "?", "?", "?!", "?!!!?" };

    String[][] sentenceTemplates =

      { locations, actions, sources,

        prepositions, subjects, endings };

    String query = "";

    for(int i=0; i

      query = query + randomEntry(sentenceTemplates[i]);

    return(query);

  private String randomEntry(String[] strings) {

    int index = (int)(Math.random()*strings.length);

    return(strings[index]);

17.5 Sending Data by POST and

Processing the Results Directly

(HTTP Tunneling)

With

GET

 data, an applet has two options for the results of a submission: tell

the browser to display the results (construct a

URL

 object and call

getAp

pletContext().showDocument

) or process the results itself (construct a

URL

 object, get a

URLConnection

, open an input stream, and read the

Home page for this book: www.coreservlets.com; Home page for sequel: www.moreservlets.com.

Servlet and JSP training courses by book's author: courses.coreservlets.com.

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