import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class conversor_temperatura
*/
@WebServlet("/conversor_temperatura")
public class conversor_temperatura extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public conversor_temperatura() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.getWriter().append("Served at: ").append(request.getContextPath());
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
PrintWriter escribir = response.getWriter();
try {
double fahrenheit;
double celsius;
double kelvin;
double entrada = Double.parseDouble(request.getParameter("P1"));
double selector = Double.parseDouble(request.getParameter("P0"));
if(selector == 0) {
//Esto es si la temperatura esta en celsius
celsius = entrada;
fahrenheit = (entrada * 9/5) + 32;
kelvin = entrada + 273.15;
escribir.append(
"\n" +
"\n" +
"\n" +
" \n" +
" Resultado temperaturas\n" +
" \n" +
"\n" +
" Los resultados son
\n" +
" Celsius: "+celsius+"
\n" +
" Fahrenheit: "+fahrenheit+"
\n" +
" Kelvin: "+kelvin+"
\n" +
"Volver al conversor de temperaturas
" +
"Volver al menu principal
" +
"\n" +
""
);
}else if(selector == 1) {
//Esto es si la temperatura esta en fahrenheit
celsius = (entrada - 32) * 5/9;
fahrenheit = entrada;
kelvin =((entrada - 32)*5/9) + 273.15;
escribir.append(
"\n" +
"\n" +
"\n" +
" \n" +
" Resultado temperaturas\n" +
" \n" +
"\n" +
" Los resultados son
\n" +
" Celsius: "+celsius+"
\n" +
" Fahrenheit: "+fahrenheit+"
\n" +
" Kelvin: "+kelvin+"
\n" +
"Volver al conversor de temperaturas
" +
"Volver al menu principal
" +
"\n" +
""
);
}else if(selector == 2) {
//Esto es si la temperatura esta en kelvin
celsius = entrada - 273.15;
fahrenheit = ((entrada - 273.15)*9/5)+32;
kelvin =entrada;
escribir.append(
"\n" +
"\n" +
"\n" +
" \n" +
" Resultado temperaturas\n" +
" \n" +
"\n" +
" Los resultados son:
\n" +
" Celsius: "+celsius+"
\n" +
" Fahrenheit: "+fahrenheit+"
\n" +
" Kelvin: "+kelvin+"
\n" +
"Volver al conversor de temperaturas
" +
"Volver al menu principal
" +
"\n" +
""
);
}
}catch(Exception e) {
escribir.append(
"\n" +
"\n" +
"\n" +
" \n" +
" Resultado temperaturas\n" +
" \n" +
"\n" +
" Los resultados son:
\n" +
" La entrada solo admite numeros
\n" +
"Volver al conversor de temperaturas
" +
"Volver al menu principal
" +
"\n" +
""
);
}
}
}