97 lines
3.1 KiB
Java
97 lines
3.1 KiB
Java
package res;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import java.io.BufferedReader;
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import java.io.DataOutputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.nio.charset.StandardCharsets;
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import java.util.*;
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public class DataController {
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private static final String ALL_EVENTS_ENDPOINT = "http://localhost:8080/vpr/all-events";
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private static final String ALL_USERS_ENDPOINT = "http://localhost:8080/vpr/all-users";
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private static final String ADD_EVENT_ENDPOINT = "http://localhost:8080/vpr/add-event";
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private static final String DELETE_EVENT_ENDPOINT = "http://localhost:8080/vpr/del-event";
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private final HttpRequest httpRequest;
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public DataController(){
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httpRequest = new HttpRequest();
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}
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public void createEvent(Event event){
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try {
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System.out.println(httpRequest.sendPostRequest(ADD_EVENT_ENDPOINT, event.getAsUrlParam()));
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public void deleteEvent(int eventId){
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try {
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System.out.println(httpRequest.sendPostRequest(DELETE_EVENT_ENDPOINT, "eventId=" + eventId));
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public ArrayList<Event> getAllVisibleEvents() {
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ArrayList<Event> eventList = new ArrayList<>();
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try {
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String jsonResponse = httpRequest.sendPostRequest(ALL_EVENTS_ENDPOINT, "userId=1");
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System.out.println(jsonResponse);
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ObjectMapper objectMapper = new ObjectMapper();
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//String json = "{ \"color\" : \"Black\", \"type\" : \"BMW\" }";
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for (Object obj : objectMapper.readValue(jsonResponse, Object[].class)){
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ArrayList<Object> list = new ArrayList<>();
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if (obj.getClass().isArray()) {
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list = (ArrayList<Object>) Arrays.asList((Object[])obj);
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} else if (obj instanceof Collection) {
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list = new ArrayList<>((Collection<?>) obj);
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}
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eventList.add(new Event(list));
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return eventList;
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}
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public Event[] getAllEvents() {
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Event[] eventList = null;
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try {
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String jsonResponse = httpRequest.sendGetRequest("http://localhost:8080/vpr/all-events-test");
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eventList = parseJsonToEventList(jsonResponse);
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for (Event e : eventList) {
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System.out.println(e);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return eventList;
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}
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private Event[] parseJsonToEventList(String jsonString) throws JsonProcessingException {
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ArrayList<Event> eventList;
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// Parse JSON
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ObjectMapper objectMapper = new ObjectMapper();
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//String json = "{ \"color\" : \"Black\", \"type\" : \"BMW\" }";
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return objectMapper.readValue(jsonString, Event[].class);
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}
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}
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