Java tutorial
/* * The MIT License * * Copyright 2016 Claudinei Aparecido Perboni - contact:cperbony@gmail.com. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.bakeryfactory.cadastros.servidor; import com.bakeryfactory.cadastros.java.UnidadeProdutoVO; import com.bakeryfactory.padrao.java.Constantes; import com.bakeryfactory.padrao.servidor.HibernateUtil; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.criterion.Restrictions; import org.openswing.swing.message.receive.java.ErrorResponse; import org.openswing.swing.message.receive.java.Response; import org.openswing.swing.message.receive.java.VOResponse; import org.openswing.swing.server.Action; import org.openswing.swing.server.UserSessionParameters; /** * @author Claudinei Aparecido Perboni - contact:cperbony@gmail.com * @date 08/10/2016 */ public class UnidadeProdutoDetalheAction implements Action { @Override public String getRequestName() { return "unidadeProdutoDetalheAction"; } @Override public Response executeCommand(Object inputPar, UserSessionParameters userSessionPars, HttpServletRequest request, HttpServletResponse response, HttpSession userSession, ServletContext context) { Object[] pars = (Object[]) inputPar; Integer acao = (Integer) pars[0]; switch (acao) { case Constantes.LOAD: { return load(inputPar, userSessionPars, request, response, userSession, context); } case Constantes.INSERT: { return insert(inputPar, userSessionPars, request, response, userSession, context); } case Constantes.UPDATE: { return update(inputPar, userSessionPars, request, response, userSession, context); } case Constantes.DELETE: { return delete(inputPar, userSessionPars, request, response, userSession, context); } } return null; } private Response load(Object inputPar, UserSessionParameters userSessionPars, HttpServletRequest request, HttpServletResponse response, HttpSession userSession, ServletContext context) { Session session = null; Object[] pars = (Object[]) inputPar; String pk = (String) pars[1]; try { session = HibernateUtil.getSessionFactory().openSession(); Criteria criteria = session.createCriteria(UnidadeProdutoVO.class); criteria.add(Restrictions.eq("id", Integer.valueOf(pk))); UnidadeProdutoVO unidadeProduto = (UnidadeProdutoVO) criteria.uniqueResult(); return new VOResponse(unidadeProduto); } catch (Exception ex) { ex.printStackTrace(); return new ErrorResponse(ex.getMessage()); } finally { try { session.close(); } catch (Exception ex1) { } } } private Response insert(Object inputPar, UserSessionParameters userSessionPars, HttpServletRequest request, HttpServletResponse response, HttpSession userSession, ServletContext context) { Session session = null; try { Object[] pars = (Object[]) inputPar; UnidadeProdutoVO unidadeProduto = (UnidadeProdutoVO) pars[1]; session = HibernateUtil.getSessionFactory().openSession(); session.beginTransaction(); session.save(unidadeProduto); session.getTransaction().commit(); return new VOResponse(unidadeProduto); } catch (Exception ex) { ex.printStackTrace(); if (session != null) { session.getTransaction().rollback(); } return new ErrorResponse(ex.getMessage()); } finally { try { if (session != null) { session.close(); } } catch (Exception ex1) { ex1.printStackTrace(); } } } private Response update(Object inputPar, UserSessionParameters userSessionPars, HttpServletRequest request, HttpServletResponse response, HttpSession userSession, ServletContext context) { Session session = null; try { Object[] pars = (Object[]) inputPar; UnidadeProdutoVO unidadeProduto = (UnidadeProdutoVO) pars[2]; session = HibernateUtil.getSessionFactory().openSession(); session.beginTransaction(); session.update(unidadeProduto); session.getTransaction().commit(); return new VOResponse(unidadeProduto); } catch (Exception ex) { if (session != null) { session.getTransaction().rollback(); } ex.printStackTrace(); return new ErrorResponse(ex.getMessage()); } finally { try { if (session != null) { session.close(); } } catch (Exception ex1) { ex1.printStackTrace(); } } } private Response delete(Object inputPar, UserSessionParameters userSessionPars, HttpServletRequest request, HttpServletResponse response, HttpSession userSession, ServletContext context) { return null; } }