ComicRequestServlet.java :  » Web » andcomics » com » teragadgets » android » comics » appengine » Android Open Source

package com.teragadgets.android.comics.appengine;

import java.io.IOException;
import java.util.List;
import java.util.logging.Logger;

import javax.jdo.PersistenceManager;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.datanucleus.util.StringUtils;

@SuppressWarnings("serial")
public class ComicRequestServlet extends HttpServlet {
  private static final Logger log = Logger.getLogger(AddComicServlet.class
      .getName());

  @SuppressWarnings("unchecked")
  public void doGet(HttpServletRequest req, HttpServletResponse resp)
      throws IOException {

    int webComicID = Integer.parseInt(req.getParameter("id"));
    resp.getWriter().println("<?xml version=\"1.0\" encoding='UTF-8'?>");
    resp.getWriter().println("<webcomic>");
    PersistenceManager pm = PMF.get().getPersistenceManager();

    try {
      String query = "select from " + Comic.class.getName()
          + " where webComic == webComicParam "
          + "parameters int webComicParam "
          + "order by number desc";
      List<Comic> webComics = (List<Comic>) pm.newQuery(query).execute(
          webComicID);
      for (Comic c : webComics)
        resp.getWriter().println(
            "<comic name='" + c.getName() + "' number='"
                + c.getNumber() + "' url='" + c.getURL()
                + "' alt='${fn:escapeXml(" + c.getAltText() + ")' />");
    } finally {
      pm.close();
    }

    resp.getWriter().println("</webcomic>");
  }
}