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 backend.ws; import backend.pojos.Domain; import backend.pojos.SubDomain; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import java.lang.reflect.Type; import java.util.ArrayList; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.message.BasicNameValuePair; import org.apache.log4j.Logger; /** * * @author jorge */ public class SubDomainWS { private WrapperWS wrapperWS; private CloseableHttpResponse responseWS; private Gson gson; private Logger log = Logger.getLogger(SubDomainWS.class); public SubDomainWS() { gson = new Gson(); wrapperWS = WrapperWS.getWrapperWS(); } public SubDomain getSubDomainById(int id) { SubDomain sd = null; List<NameValuePair> params = new ArrayList<>(); //array com os params necessrios para registar um terapeuta params.add(new BasicNameValuePair("idSubDomain", String.valueOf(id))); try { responseWS = wrapperWS.sendRequest("SubDomain", "getSubDomainById", params); //efetua o pedido ao WS String jsonResp = wrapperWS.readResponse(responseWS); //Passa a responseWS para uma string int httpResponseCod = responseWS.getStatusLine().getStatusCode(); if (httpResponseCod != 200) { Validation v = gson.fromJson(jsonResp, Validation.class); //Converso do objecto Json para o objecto Java log.error("\n\tCod: " + v.getCod() + "\tMsg: " + v.getMsg()); throw new RuntimeException("Ocorreu um erro ao aceder aos dados do Sub-Domnio"); } sd = gson.fromJson(jsonResp, SubDomain.class); } catch (RuntimeException e) { log.error("\n\t" + e.getMessage()); throw new RuntimeException(e.getMessage()); } log.debug("\n\tSubDomain data access success"); log.debug("\n\tSD with id " + id + ": " + sd.toString()); return sd; } public List<SubDomain> getSubDomainByDomain(int idD) { List<SubDomain> sdList = null; List<NameValuePair> params = new ArrayList<>(); //array com os params necessrios para registar um terapeuta params.add(new BasicNameValuePair("idDomain", String.valueOf(idD))); try { responseWS = wrapperWS.sendRequest("SubDomain", "getSubDomainByDomain", params); //efetua o pedido ao WS String jsonResp = wrapperWS.readResponse(responseWS); //Passa a responseWS para uma string int httpResponseCod = responseWS.getStatusLine().getStatusCode(); if (httpResponseCod != 200) { Validation v = gson.fromJson(jsonResp, Validation.class); //Converso do objecto Json para o objecto Java log.error("\n\tCod: " + v.getCod() + "\tMsg: " + v.getMsg()); throw new RuntimeException("Ocorreu um erro ao aceder aos dados do SubDomnio"); } Type type = new TypeToken<List<SubDomain>>() { }.getType(); //tipo do para o qual queros retornar a responseWS Json sdList = gson.fromJson(jsonResp, type); } catch (RuntimeException e) { log.error("\n\t" + e.getMessage()); throw new RuntimeException(e.getMessage()); } log.debug("\n\tSubDomain data access success"); log.debug("\n\tPs : " + sdList.toString()); return sdList; } private List<NameValuePair> getAllParams(SubDomain sd) { List<NameValuePair> params = new ArrayList<>(); //array com os params necessrios para registar um terapeuta params.add(new BasicNameValuePair("idSubDomain", String.valueOf(sd.getIdSubDomain()))); params.add(new BasicNameValuePair("name", sd.getName())); params.add(new BasicNameValuePair("description", (sd.getDescription()))); params.add(new BasicNameValuePair("idDomain", String.valueOf(sd.getIdDomain()))); return params; } }