package com.tubeonfire.controller;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.tubeonfire.entity.Category;
import com.tubeonfire.entity.Tube;
import com.tubeonfire.model.CategoryModel;
import com.tubeonfire.util.JavaCacheHandle;
public class CategoryController extends HttpServlet {
private static final long serialVersionUID = 1L;
private static int itemPerPage = 12;
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
response.setHeader("Cache-Control", "public, max-age=86400");
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, 1);
response.setHeader("Expires", cal.getTime().toString());
// search by input key.
try {
String path = ((HttpServletRequest) request).getRequestURI();
String[] splittedURI = path.split("/");
int page = 1;
String cateString = "";
if (splittedURI.length == 3) {
cateString = splittedURI[splittedURI.length - 1];
} else if (splittedURI.length == 4) {
cateString = splittedURI[splittedURI.length - 2];
try {
System.out.println(splittedURI[splittedURI.length - 1]);
page = Integer
.parseInt(splittedURI[splittedURI.length - 1]);
} catch (Exception e) {
System.out.println("Error when parse page string to int.");
page = 1;
}
} else {
System.out.println("Error path.");
response.sendRedirect("/home");
}
cateString = URLDecoder.decode(cateString, "UTF8");
System.out.println("Cate to search : " + cateString);
Category cate = CategoryModel.getByCateAlias(cateString);
if (cate != null) {
List<Tube> result = new ArrayList<Tube>();
int startPoint = (page - 1) * itemPerPage;
if (cate.getListTubes().size() > startPoint) {
System.out.println("Ok here.");
for (int i = startPoint; i < cate.getListTubes().size(); i++) {
if (i == (itemPerPage + startPoint)) {
break;
}
Tube tub = new Tube();
tub.transformString(cate.getListTubes().get(i)
.getValue());
result.add(tub);
}
} else {
page = 1;
for (int i = 0; i < cate.getListTubes().size(); i++) {
if (i == itemPerPage) {
break;
}
Tube tub = new Tube();
tub.transformString(cate.getListTubes().get(i)
.getValue());
result.add(tub);
}
}
request.setAttribute("url", request.getRequestURL());
request.setAttribute("listCategory",
JavaCacheHandle.getCategory());
request.setAttribute("listChannel",
JavaCacheHandle.getChannels());
request.setAttribute("result", result);
request.setAttribute("currentPage", page);
request.setAttribute("totalResult", cate.getListTubes().size());
request.setAttribute("cate", cateString);
request.setAttribute("cateString",
cateString.replaceAll("\\+", " "));
request.getRequestDispatcher("/category_show.jsp").forward(
request, response);
} else {
System.out.println("Error path.");
response.sendRedirect("/home");
}
} catch (Exception e) {
System.out.println("Exception.");
e.printStackTrace();
response.sendRedirect("/home");
}
}
}