| Methods Summary |
|---|
| public void | doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
// 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("<HTML><HEAD><TITLE>Movie Database</TITLE></HEAD>");
out.println("<BODY>");
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("</BODY></HTML>");
out.close();
|
| public void | doPost(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
// 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 if (action.equalsIgnoreCase("addMovie")) {
out.write(" ***** Adding new movie ***** ");
String movieTitle = req.getParameterValues("title")[0];
String movieDirector = req.getParameterValues("director")[0];
Movie movie = new Movie();
movie.setTitle(movieTitle);
movie.setDirector(movieDirector);
movie.setCast(new Cast());
movies.getMovie().add(movie);
// Marshal back to XML
try {
movies.validate();
movies.marshal(new FileOutputStream(xmlFile));
} catch (StructureValidationException e) {
out.write("Validation error: " + e.getMessage());
e.printStackTrace(out);
}
} else if (action.equalsIgnoreCase("addActor")) {
out.write(" ***** Adding new actor ***** ");
String movieName = req.getParameterValues("title")[0];
String actorName = req.getParameterValues("actor")[0];
String headliner = req.getParameterValues("headliner")[0];
List movieList = movies.getMovie();
for (Iterator i = movieList.iterator(); i.hasNext(); ) {
Movie movie = (Movie)i.next();
// See if this is the specified movie
if (movie.getTitle().equalsIgnoreCase(movieName)) {
Cast cast = movie.getCast();
Actor actor = new Actor();
actor.setContent(actorName);
if (headliner.equalsIgnoreCase("true")) {
actor.setHeadliner("true");
} else {
actor.setHeadliner("false");
}
cast.getActor().add(actor);
}
}
// Marshal back to XML
try {
movies.validate();
movies.marshal(new FileOutputStream(xmlFile));
} catch (StructureValidationException e) {
out.write("Validation error: " + e.getMessage());
e.printStackTrace(out);
}
} else {
out.write("The action supplied, '");
out.write(action);
out.write("', is not currently supported.\n");
}
out.close();
|
| private void | error(javax.servlet.http.HttpServletResponse res)
PrintWriter out = res.getWriter();
res.setContentType("text/plain");
out.write(" ************* ERROR OCCURRED ***************\n\n");
out.write("Error: " + errorMessage + "\n");
out.close();
|
| public void | init(javax.servlet.ServletConfig config)
super.init(config);
// Load the database using JAXB
try {
// Load the XML
xmlFile = new File(MOVIES_XML_DOCUMENT);
FileInputStream inputStream = new FileInputStream(xmlFile);
// Unmarshal
movies = Movies.unmarshal(inputStream);
} catch (Exception e) {
errorMessage = e.getMessage();
}
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