mx.com.quadrum.contratos.controller.busquedas.MuestraPdf.java Source code

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Here is the source code for mx.com.quadrum.contratos.controller.busquedas.MuestraPdf.java

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package mx.com.quadrum.contratos.controller.busquedas;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import mx.com.quadrum.entity.Contrato;
import mx.com.quadrum.entity.Usuario;
import mx.com.quadrum.service.ContratoService;
import mx.com.quadrum.service.UsuarioService;
import static mx.com.quadrum.service.util.Llave.CLIENTE;
import static mx.com.quadrum.service.util.Llave.USUARIO;
import static mx.com.quadrum.service.util.Rutas.USUARIOS;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 *
 * @author vcisneros
 */
@Controller
public class MuestraPdf extends HttpServlet {

    @Autowired
    UsuarioService usuarioService;

    @Autowired
    ContratoService contratoService;

    @RequestMapping(value = "muestraPdf/{idContrato}/{idEmpleado}", method = RequestMethod.GET)
    public void muestraPdf(@PathVariable("idContrato") Integer idContrato,
            @PathVariable("idEmpleado") Integer idEmpleado, HttpSession session, HttpServletRequest request,
            HttpServletResponse response) {

        if (session.getAttribute(USUARIO) == null && session.getAttribute(CLIENTE) == null) {
            return;
        }
        Contrato contrato = contratoService.buscarPorId(idContrato);
        response.setContentType("application/pdf");

        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", 0);
        Usuario usuario = usuarioService.buscarPorId(idEmpleado);
        File pdf = new File(
                USUARIOS + usuario.getMail() + "\\" + contrato.getNombre() + "\\" + contrato.getNombre() + ".pdf");
        try {
            InputStream in = new FileInputStream(pdf);
            byte[] data = new byte[in.available()];
            in.read(data);
            javax.servlet.ServletOutputStream servletoutputstream = response.getOutputStream();

            servletoutputstream.write(data);
            servletoutputstream.flush();
            servletoutputstream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    @RequestMapping(value = "muestraPdf/{idContrato}", method = RequestMethod.GET)
    public void muestraPdf(@PathVariable("idContrato") Integer idContrato, HttpSession session,
            HttpServletRequest request, HttpServletResponse response) {
        if (session.getAttribute(USUARIO) == null && session.getAttribute(CLIENTE) == null) {
            return;
        }
        Contrato contrato = contratoService.buscarPorId(idContrato);

        Usuario usuario = (Usuario) session.getAttribute(USUARIO);
        response.setContentType("application/pdf");

        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Pragma", "no-cache");
        response.setDateHeader("Expires", 0);
        File pdf = new File(
                USUARIOS + usuario.getMail() + "\\" + contrato.getNombre() + "\\" + contrato.getNombre() + ".pdf");
        try {
            InputStream in = new FileInputStream(pdf);
            byte[] data = new byte[in.available()];
            in.read(data);
            javax.servlet.ServletOutputStream servletoutputstream = response.getOutputStream();

            servletoutputstream.write(data);
            servletoutputstream.flush();
            servletoutputstream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}