2aa05c72 |
1 | /*\r |
2 | * To change this template, choose Tools | Templates\r |
3 | * and open the template in the editor.\r |
4 | */\r |
5 | package org.ufcspa.simdecs.comunicacao;\r |
6 | \r |
7 | import java.io.BufferedInputStream;\r |
8 | import java.io.IOException;\r |
9 | import java.io.PrintWriter;\r |
10 | import java.net.MalformedURLException;\r |
11 | import java.net.URL;\r |
12 | import java.net.URLConnection;\r |
13 | import javax.persistence.EntityManager;\r |
14 | import javax.persistence.EntityManagerFactory;\r |
15 | import javax.persistence.Persistence;\r |
16 | import javax.servlet.ServletException;\r |
17 | import javax.servlet.http.HttpServlet;\r |
18 | import javax.servlet.http.HttpServletRequest;\r |
19 | import javax.servlet.http.HttpServletResponse;\r |
20 | import org.ufcspa.simdecs.entidade.ArquivoCaso;\r |
21 | \r |
22 | /**\r |
23 | *\r |
24 | * @author pbarros\r |
25 | */\r |
26 | public class MetodoSelecionaCaso extends HttpServlet {\r |
27 | \r |
28 | /**\r |
29 | * Processes requests for both HTTP\r |
30 | * <code>GET</code> and\r |
31 | * <code>POST</code> methods.\r |
32 | *\r |
33 | * @param request servlet request\r |
34 | * @param response servlet response\r |
35 | * @throws ServletException if a servlet-specific error occurs\r |
36 | * @throws IOException if an I/O error occurs\r |
37 | */\r |
38 | protected void processRequest(HttpServletRequest request, HttpServletResponse response)\r |
39 | throws ServletException, IOException {\r |
40 | response.setContentType("text/html;charset=UTF-8");\r |
41 | PrintWriter out = response.getWriter();\r |
42 | //String file ;\r |
43 | \r |
44 | EntityManagerFactory emf = Persistence.createEntityManagerFactory("simdecsPU");\r |
45 | EntityManager em = emf.createEntityManager();\r |
46 | \r |
47 | URL url = null;\r |
48 | URLConnection urlConn = null;\r |
49 | BufferedInputStream buf = null;\r |
50 | ArquivoCaso arquivo;\r |
51 | Integer idCaso = Integer.valueOf(request.getParameter("idArquivoCaso"));\r |
52 | \r |
53 | // out.print(request.getParameter("idArquivoCaso"));\r |
54 | try {\r |
55 | \r |
56 | arquivo = (ArquivoCaso) em.createQuery("select arq from ArquivoCaso as arq where arq.id ="+idCaso)\r |
57 | //.setParameter("idC",idCaso)\r |
58 | .getSingleResult();\r |
59 | // out.println(arquivo.getEndArquivo());\r |
60 | url = getServletContext().getResource(arquivo.getEndArquivo());\r |
61 | //set response header\r |
62 | response.setContentType("text/xml");\r |
63 | urlConn = url.openConnection();\r |
64 | //establish connection with URL presenting web.xml\r |
65 | urlConn.connect();\r |
66 | buf = new BufferedInputStream(urlConn.getInputStream());\r |
67 | int readBytes = 0;\r |
68 | while ((readBytes = buf.read()) != -1)\r |
69 | out.write(readBytes);\r |
70 | } catch (MalformedURLException mue) {\r |
71 | throw new ServletException(mue.getMessage());\r |
72 | } catch (IOException ioe) {\r |
73 | throw new ServletException(ioe.getMessage());\r |
74 | } finally { \r |
75 | out.close();\r |
76 | buf.close();\r |
77 | }\r |
78 | }\r |
79 | \r |
80 | // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">\r |
81 | /**\r |
82 | * Handles the HTTP\r |
83 | * <code>GET</code> method.\r |
84 | *\r |
85 | * @param request servlet request\r |
86 | * @param response servlet response\r |
87 | * @throws ServletException if a servlet-specific error occurs\r |
88 | * @throws IOException if an I/O error occurs\r |
89 | */\r |
90 | @Override\r |
91 | protected void doGet(HttpServletRequest request, HttpServletResponse response)\r |
92 | throws ServletException, IOException {\r |
93 | processRequest(request, response);\r |
94 | }\r |
95 | \r |
96 | /**\r |
97 | * Handles the HTTP\r |
98 | * <code>POST</code> method.\r |
99 | *\r |
100 | * @param request servlet request\r |
101 | * @param response servlet response\r |
102 | * @throws ServletException if a servlet-specific error occurs\r |
103 | * @throws IOException if an I/O error occurs\r |
104 | */\r |
105 | @Override\r |
106 | protected void doPost(HttpServletRequest request, HttpServletResponse response)\r |
107 | throws ServletException, IOException {\r |
108 | processRequest(request, response);\r |
109 | }\r |
110 | \r |
111 | /**\r |
112 | * Returns a short description of the servlet.\r |
113 | *\r |
114 | * @return a String containing servlet description\r |
115 | */\r |
116 | @Override\r |
117 | public String getServletInfo() {\r |
118 | return "Short description";\r |
119 | }// </editor-fold>\r |
120 | }\r |