Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.pasteur.ci.action.creation; import com.pasteur.ci.bean.GenreAlgue; import com.pasteur.ci.config.DAOFactory; import com.pasteur.ci.famille.dao.FamilleDAOImplement; import com.pasteur.ci.genre_algue.dao.GenreAlgueDAOImplement; import java.util.ArrayList; import java.util.HashMap; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.json.JSONObject; import org.apache.commons.beanutils.PropertyUtils; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; /** * * @author HP USER */ public class ajaxGenreAlgueAction extends org.apache.struts.action.Action { /* forward name="success" path="" */ private static final String SUCCESS = "success"; /** * This is the action called from the Struts framework. * * @param mapping The ActionMapping used to select this instance. * @param form The optional ActionForm bean for this request. * @param request The HTTP Request we are processing. * @param response The HTTP Response we are processing. * @throws java.lang.Exception * @return */ @Override public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { int idfamille = (Integer) PropertyUtils.getProperty(form, "idfamille"); GenreAlgueDAOImplement gadaoi = new GenreAlgueDAOImplement(DAOFactory.getInstance()); ArrayList<GenreAlgue> listgenre = (ArrayList<GenreAlgue>) (Object) gadaoi.find(idfamille); HashMap hm = new HashMap(); for (GenreAlgue ga : listgenre) { String hu = "hu" + ga.getIdgenre_algue(); hm.put(hu, ga.getDesign_genre_algue()); // System.out.println(Integer.toString(ga.getIdgenre_algue())+" --"+ga.getDesign_genre_algue()); } // chaque cl de notre map devient une cl dans l'objet JSON (utilisation de Json-lib) JSONObject json = JSONObject.fromObject(hm); // faon d'envoyer l'objet JSON pour que Prototype puisse le rcuprer response.setHeader("X-JSON", json.toString()); return null; } }