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 facturacion.restClient; import com.fasterxml.jackson.core.JsonGenerationException; import com.fasterxml.jackson.databind.JsonMappingException; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException; import facturacion.model.TokenFacturacion; import java.io.IOException; import java.io.InputStream; import javax.ws.rs.ProcessingException; import javax.ws.rs.client.Entity; import javax.ws.rs.client.Invocation; import javax.ws.rs.client.WebTarget; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response; /** * * @author aaguerra */ public class TokenFacturacionRest { public static TokenFacturacion getUploadTokenFacturacion(String ci_ruc) { try { WebTarget webTarget = Uri.uriUploadTokenFacturacion(ci_ruc); Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON); invocationBuilder.header("some-header", "true"); Response response = invocationBuilder.get(); /* byte[] g; if (response.getStatus() == 200) { //g = mapper.readValue(response.readEntity(String.class), new TypeReference<List<Empresa>>() {}); System.out.println("---------------------------------"); //System.out.println(response.readEntity(String.class)); g = response.readEntity(byte[].class); System.out.println(g); } else { System.out.println("---===> 0111"); g = null; } return null; */ System.out.println("---===> 0111 status == " + response.getStatus()); return (response.getStatus() == 200) ? (new ObjectMapper()).readValue(response.readEntity(String.class), TokenFacturacion.class) : null; } catch (UnrecognizedPropertyException e) { System.out.println("erro en los dats de mapeo de la URI"); return null; } catch (ProcessingException e) { System.out.println("Error no se pudo conectar a la URI"); return null; } catch (JsonGenerationException e) { System.out.println("---===> 1"); e.printStackTrace(); return null; } catch (JsonMappingException e) { System.out.println("---===> 2"); e.printStackTrace(); return null; } catch (Exception e) { System.out.println("---===> 3"); e.printStackTrace(); return null; } } }