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Movie database generated classes

package javajaxb;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;

// Servlet imports
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Movie database generated classes
import javajaxb.generated.movies.*;

public class MoviesServlet extends HttpServlet {

/** The Movies database object */
    private Movies movies = null;

/** Any error that occurred. */
    private String errorMessage = null;

/** The XML do*****ent storing the movie database */
    private static final String MOVIES_XML_DO*****ENT =
        "/dev/javajaxb/ch04/src/xml/movies.xml";

public void init(ServletConfig config) throws ServletException {
        super.init(config);

// Load the database using JAXB
        try {
            // Load the XML
            File xmlFile = new File(MOVIES_XML_DO*****ENT);
            FileInputStream inputStream = new FileInputStream(xmlFile);

// Unmarshal
            movies = Movies.unmarshal(inputStream);
        } catch (Exception e) {
            errorMessage = e.getMessage();
        }
    }

public void doGet(HttpServletRequest req, HttpServletResponse res)
        throws IOException, ServletException {

// Handle any error conditions that might have occurred.
        if (movies == null) {
            error(res);
        }

// Get output stream
        PrintWriter out = res.getWriter();
        res.setContentType("text/html");

// Write out movie database
        out.println("<HEAD><TITLE>Movie Database</TITLE></HEAD>");
        out.println("");
        out.println("<H2 ALIGN='center'>Movie Database</H2>");
 
        List movieList = movies.getMovie();
        for (Iterator i = movieList.iterator(); i.hasNext(); ) {
            Movie movie = (Movie)i.next();

// Title
            out.print("<B><FONT SIZE='+1'>");
            out.print(movie.getTitle());
            out.println("</FONT></B><BR />");

// Director
            String director = movie.getDirector();
            if (director != null) {
                out.print("Director: ");
                out.print(director);
                out.println("<BR />");
            }

// Producer
            out.println("Producers:<BR /><UL>");
            List producerList = movie.getProducer();
            for (Iterator j = producerList.iterator(); j.hasNext(); ) {
                out.print("<LI>");
                out.print((String)j.next());
                out.println("</LI>");
            }
            out.println("</UL>");

// Cast
            out.println("Starring:<BR /><UL>");
            Cast cast = movie.getCast();
            List actorList = cast.getActor();
            for (Iterator j = actorList.iterator(); j.hasNext(); ) {
                Actor actor = (Actor)j.next();
                out.print("<LI>");
                out.print(actor.getContent());
                if (actor.getHeadliner().equalsIgnoreCase("true")) {
                    out.print(" (Headliner)");
                }
                out.println("</LI>");
            }
            out.println("</UL>");

out.println("<HR WIDTH='80%' />");
        }

out.println("");
        
        out.close();
    }

public void doPost(HttpServletRequest req, HttpServletResponse res)
        throws IOException, ServletException {

// Get action paramater; default is "list"
        String[] actionValues = req.getParameterValues("action");
        String action = null;
        if ((actionValues == null) || (actionValues[0] == null)) {
            action = "list";
        } else {
            action = actionValues[0];
        }

// Handle different actions
        PrintWriter out = res.getWriter();
        res.setContentType("text/plain");

/* **** List current movies **** */        
        if (action.equalsIgnoreCase("list")) {

out.write(" ***** Movies Database *****\n\n");

// Print out each movie
            List movieList = movies.getMovie();
            for (Iterator i = movieList.iterator(); i.hasNext(); ) {
                Movie movie = (Movie)i.next();

// Title
                out.print(" Movie: ");
                out.println(movie.getTitle());

// Director
                String director = movie.getDirector();
                if (director != null) {
                    out.print("   Director: ");
                    out.println(director);
                    out.println();
                }

// Producer
                out.println("   Producers:");
                List producerList = movie.getProducer();
                for (Iterator j = producerList.iterator(); j.hasNext(); ) {
                    out.print("     * ");
                    out.print((String)j.next());
                    out.println();
                }
                out.println();

// Cast
                out.println("   Starring:");
                Cast cast = movie.getCast();
                List actorList = cast.getActor();
                for (Iterator j = actorList.iterator(); j.hasNext(); ) {
                    Actor actor = (Actor)j.next();
                    out.print("     * ");
                    out.print(actor.getContent());
                    if (actor.getHeadliner().equalsIgnoreCase("true")) {
                        out.print(" (Headliner)");
                    }
                    out.println();
                }

out.println(" -------------------------------- ");
            }
        } else {
            out.write("The action supplied, '");
            out.write(action);
            out.write("', is not currently supported.\n");
        }
        out.close();
    }

private void error(HttpServletResponse res) throws IOException {
        PrintWriter out = res.getWriter();
        res.setContentType("text/plain");

out.write(" ************* ERROR OCCURRED ***************\n\n");
        out.write("Error: " + errorMessage + "\n");
        out.close();
    }
}

1	Provide a truly minimalist demonstration of using JAF - Java Activation Framewor
2	javax.activation
3	Movie database generated classes


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