Hi,
In the below code,how can I avoid the HTML coding in the action
class?(http://www.omnytex.com/articles/xhrstruts/xhrstruts.zip)
I tried many different codings,but everything failed.
public class Example3GetCharactersAction extends Action {
public ActionForward execute(ActionMapping mapping, ActionForm inForm,
HttpServletRequest request, HttpServletResponse response) throws Exception {
// Get a list of characters associated with the select TV show
String tvShow = (String)request.getParameter("tvShow");
if (tvShow == null) {
tvShow = "";
}
ArrayList characters = getCharacters(tvShow);
// And yes, I know creating HTML in an Action is generally very bad
form,
// but I wanted to keep this exampel simple.
String html = "<select name=\"CharactersSelect\">";
int i = 0;
for (Iterator it = characters.iterator(); it.hasNext();) {
String name = (String)it.next();
i++;
html += "<option value=\"" + i + "\">" + name + "</option>";
}
html += "</select>";
// Write the HTML to response
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println(html);
out.flush();
return null; // Not forwarding to anywhere, response is fully-cooked
} // End execute()
// This method returns a list of characters for a given TV show. If no TV
// show is selected, i.e., initial page view, am empty ArrayList is
returned.
private ArrayList getCharacters (String tvShow) {
ArrayList al = new ArrayList();
if (tvShow.equalsIgnoreCase("StarTrekTNG")) {
al.add("Jean Luc Picard");
al.add("William T. Riker");
al.add("Data");
al.add("Deanna Troi");
al.add("Geordi LaForge");
}
if (tvShow.equalsIgnoreCase("Babylon5")) {
al.add("John Sheridan");
al.add("Delenn");
al.add("Londo Mollari");
al.add("Stephen Franklin");
al.add("Vir Cotto");
}
if (tvShow.equalsIgnoreCase("StargateSG1")) {
al.add("Samantha Carter");
al.add("Jack O'Neil");
al.add("Teal'c");
al.add("Daniel Jackson");
al.add("Baal");
}
return al;
} // End getCharacters()
Thanks.
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