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 cz.muni.fi.mushroomhunter.restclient; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectWriter; import cz.fi.muni.pa165.mushroomhunter.api.dto.LocationDto; import java.util.ArrayList; import java.util.List; import java.util.concurrent.ExecutionException; import javax.swing.SwingWorker; import javax.swing.table.DefaultTableModel; import org.apache.commons.codec.binary.Base64; import org.springframework.http.HttpEntity; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpMethod; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.web.client.RestTemplate; /** * * @author Simon Hochla */ public class LocationUpdateSwingWorker extends SwingWorker<Integer, Void> { private final RestClient restClient; public LocationUpdateSwingWorker(RestClient restClient) { this.restClient = restClient; } @Override protected Integer doInBackground() throws Exception { DefaultTableModel model = (DefaultTableModel) restClient.getTblLocation().getModel(); int selectedRow = restClient.getTblLocation().getSelectedRow(); String plainCreds = RestClient.USER_NAME + ":" + RestClient.PASSWORD; byte[] plainCredsBytes = plainCreds.getBytes(); byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes); String base64Creds = new String(base64CredsBytes); RestTemplate restTemplate = new RestTemplate(); HttpHeaders headers = new HttpHeaders(); headers.setContentType(MediaType.APPLICATION_JSON); List<MediaType> mediaTypeList = new ArrayList<>(); mediaTypeList.add(MediaType.ALL); headers.setAccept(mediaTypeList); headers.add("Authorization", "Basic " + base64Creds); HttpEntity request = new HttpEntity<>(headers); ResponseEntity<LocationDto> responseEntity = restTemplate.exchange( RestClient.SERVER_URL + "pa165/rest/location/" + RestClient.getLocationIDs().get(selectedRow), HttpMethod.GET, request, LocationDto.class); LocationDto locationDto = responseEntity.getBody(); locationDto.setName(restClient.getTfLocationName().getText()); locationDto.setDescription(restClient.getTfLocationDescription().getText()); locationDto.setNearCity(restClient.getTfLocationNearCity().getText()); ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter(); String json = ow.writeValueAsString(locationDto); request = new HttpEntity(json, headers); restTemplate.exchange(RestClient.SERVER_URL + "pa165/rest/location", HttpMethod.PUT, request, LocationDto.class); return selectedRow; } @Override protected void done() { try { get(); } catch (Exception e) { restClient.getlMessageLocations().setText("ERROR: server is unavailable."); return; } DefaultTableModel model = (DefaultTableModel) restClient.getTblLocation().getModel(); try { model.setValueAt(restClient.getTfLocationName().getText(), get(), 0); model.setValueAt(restClient.getTfLocationDescription().getText(), get(), 1); model.setValueAt(restClient.getTfLocationNearCity().getText(), get(), 2); } catch (InterruptedException e) { e.printStackTrace(); } catch (ExecutionException e) { e.printStackTrace(); } } }