Added an advanced error response system.
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@ -1,11 +1,8 @@
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package ru.volgorobot.vrcatalog;
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import android.widget.ImageView;
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import com.github.msteinbeck.sig4j.signal.Signal1;
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import java.util.ArrayList;
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import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
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import ru.volgorobot.vrcatalog.model.FirstLevelModel;
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import ru.volgorobot.vrcatalog.model.SecondLevelModel;
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import ru.volgorobot.vrcatalog.model.ThirdLevelModel;
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@ -20,13 +17,13 @@ public interface MainContract {
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interface Presenter {
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void getFirstLevel();
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void failureAnswerSlot(int errorCode);
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}
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interface MainModel {
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Signal1<Integer> errorSignal = new Signal1<>();
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ArrayList<FirstLevelModel> getFirstLevel();
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ArrayList<SecondLevelModel> getSecondLevelByParentID(int parentID);
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ArrayList<ThirdLevelModel> getThirdLevelByParentID(int parentID);
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ArrayList<FirstLevelModel> getFirstLevel() throws NetworkErrorException, NullPointerException;
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ArrayList<SecondLevelModel> getSecondLevelByParentID(int parentID) throws NetworkErrorException, NullPointerException;
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ArrayList<ThirdLevelModel> getThirdLevelByParentID(int parentID) throws NetworkErrorException, NullPointerException;
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void reinitializeApi() throws IllegalStateException;
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boolean getApiState();
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}
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}
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@ -5,6 +5,8 @@ import android.os.AsyncTask;
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import java.util.ArrayList;
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import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
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import ru.volgorobot.vrcatalog.additional.ResultWithErrorCode;
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import ru.volgorobot.vrcatalog.model.CoreModel;
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import ru.volgorobot.vrcatalog.model.FirstLevelModel;
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@ -14,46 +16,53 @@ public class MainPresenter implements MainContract.Presenter {
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public MainPresenter(MainContract.MainActivityView mainActivityView, Context context) {
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this.mView = mainActivityView;
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try {
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this.coreModel = new CoreModel(context);
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} catch (IllegalStateException e) {
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mView.onFailureAnswer(3);
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}
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coreModel.errorSignal.connect(this::failureAnswerSlot);
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this.coreModel = new CoreModel(context);
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}
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@Override
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public void getFirstLevel() {
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new AsyncTask<Void, Void, ArrayList<FirstLevelModel>>() {
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try {
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coreModel.reinitializeApi();
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} catch (IllegalStateException e) {
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mView.onFailureAnswer(3);
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return;
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}
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new AsyncTask<Void, Void, ResultWithErrorCode<ArrayList<FirstLevelModel>>>() {
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@Override
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protected ArrayList<FirstLevelModel> doInBackground(Void... voids) {
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ArrayList<FirstLevelModel> firstLevelModels = coreModel.getFirstLevel();
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return firstLevelModels;
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protected ResultWithErrorCode<ArrayList<FirstLevelModel>> doInBackground(Void... voids) {
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ArrayList<FirstLevelModel> firstLevelModels = null;
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try {
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firstLevelModels = coreModel.getFirstLevel();
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} catch (NetworkErrorException networkErrorException) {
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return new ResultWithErrorCode<>(firstLevelModels, networkErrorException.getErrorCode());
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} catch (NullPointerException nullPointerException) {
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return new ResultWithErrorCode<>(firstLevelModels, 3);
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}
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return new ResultWithErrorCode<>(firstLevelModels, 0);
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}
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@Override
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protected void onPostExecute(ArrayList<FirstLevelModel> firstLevelModels) {
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mView.buildFirstLevelTree(firstLevelModels);
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protected void onPostExecute(ResultWithErrorCode<ArrayList<FirstLevelModel>> result) {
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switch (result.getErrorCode()) {
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case 0: {
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mView.buildFirstLevelTree(result.getData());
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break;
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}
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case 1: {
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mView.onFailureAnswer(1);
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break;
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}
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case 2: {
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mView.onFailureAnswer(2);
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break;
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}
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case 3: {
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mView.onFailureAnswer(3);
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break;
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}
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}
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mView.swipeLayoutSetRefreshing(false);
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}
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}.execute();
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mView.swipeLayoutSetRefreshing(false);
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}
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@Override
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public void failureAnswerSlot(int errorCode) {
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switch (errorCode) {
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case 1: {
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mView.onFailureAnswer(1);
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break;
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}
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case 2: {
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mView.onFailureAnswer(2);
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break;
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}
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case 3: {
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mView.onFailureAnswer(3);
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break;
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}
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}
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}
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}
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@ -0,0 +1,13 @@
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package ru.volgorobot.vrcatalog.additional;
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public class NetworkErrorException extends Exception {
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private int errorCode;
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public NetworkErrorException(int errorCode) {
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this.errorCode = errorCode;
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}
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public int getErrorCode() {
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return errorCode;
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}
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}
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@ -0,0 +1,28 @@
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package ru.volgorobot.vrcatalog.additional;
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public class ResultWithErrorCode<T> {
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private T data;
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private int errorCode;
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public ResultWithErrorCode(T data, int errorCode) {
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this.data = data;
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this.errorCode = errorCode;
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}
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public T getData() {
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return data;
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}
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public int getErrorCode() {
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return errorCode;
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}
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public void setData(T data) {
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this.data = data;
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}
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public void setErrorCode(int errorCode) {
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this.errorCode = errorCode;
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}
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}
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@ -11,18 +11,88 @@ import java.util.List;
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import retrofit2.Response;
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import ru.volgorobot.vrcatalog.MainContract;
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import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
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import ru.volgorobot.vrcatalog.api.Controller;
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import ru.volgorobot.vrcatalog.api.VRApi;
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public class CoreModel implements MainContract.MainModel {
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private Context context;
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private VRApi vrApi;
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private String baseURL;
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public final Signal1<Integer> errorSignal = new Signal1<>();
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public CoreModel(Context context) throws IllegalStateException {
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public CoreModel(Context context) {
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this.context = context;
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SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
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String baseURL = sharedPreferences.getString("addressOfServer", "");
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this.baseURL = sharedPreferences.getString("addressOfServer", "");
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try {
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vrApi = Controller.getApi(baseURL);
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} catch(IllegalStateException e) {
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// Nothing
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}
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}
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@Override
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public ArrayList<FirstLevelModel> getFirstLevel() throws NetworkErrorException, NullPointerException {
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if(vrApi == null) {
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throw new NullPointerException();
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}
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final ArrayList<FirstLevelModel> firstLevelModels = new ArrayList<>();
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try {
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Response<List<FirstLevelModel>> response = vrApi.getFirstLevel().execute();
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if(response.isSuccessful()) {
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firstLevelModels.addAll(response.body());
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} else {
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throw new NetworkErrorException(2);
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}
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} catch (IOException e) {
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throw new NetworkErrorException(1);
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}
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return firstLevelModels;
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}
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@Override
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public ArrayList<SecondLevelModel> getSecondLevelByParentID(int parentID) throws NetworkErrorException, NullPointerException {
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if(vrApi == null) {
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throw new NullPointerException();
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}
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final ArrayList<SecondLevelModel> secondLevelModels = new ArrayList<>();
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try {
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Response<List<SecondLevelModel>> response = vrApi.getSecondLevel(parentID).execute();
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if(response.isSuccessful()) {
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secondLevelModels.addAll(response.body());
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} else {
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throw new NetworkErrorException(2);
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}
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} catch (IOException e) {
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throw new NetworkErrorException(1);
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}
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return secondLevelModels;
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}
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@Override
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public ArrayList<ThirdLevelModel> getThirdLevelByParentID(int parentID) throws NetworkErrorException, NullPointerException {
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if(vrApi == null) {
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throw new NullPointerException();
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}
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final ArrayList<ThirdLevelModel> thirdLevelModels = new ArrayList<>();
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try {
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Response<List<ThirdLevelModel>> response = vrApi.getDetails(parentID).execute();
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if(response.isSuccessful()) {
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thirdLevelModels.addAll(response.body());
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} else {
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throw new NetworkErrorException(2);
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}
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} catch (IOException e) {
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throw new NetworkErrorException(1);
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}
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return thirdLevelModels;
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}
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@Override
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public void reinitializeApi() throws IllegalStateException {
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SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
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this.baseURL = sharedPreferences.getString("addressOfServer", "");
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try {
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vrApi = Controller.getApi(baseURL);
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} catch(IllegalStateException e) {
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@ -31,50 +101,11 @@ public class CoreModel implements MainContract.MainModel {
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}
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@Override
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public ArrayList<FirstLevelModel> getFirstLevel() {
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final ArrayList<FirstLevelModel> firstLevelModels = new ArrayList<>();
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try {
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Response<List<FirstLevelModel>> response = vrApi.getFirstLevel().execute();
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if(response.isSuccessful()) {
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firstLevelModels.addAll(response.body());
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} else {
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errorSignal.emit(2);
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}
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} catch (IOException e) {
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errorSignal.emit(1);
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public boolean getApiState() {
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if(vrApi != null) {
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return true;
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} else {
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return false;
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}
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return firstLevelModels;
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}
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@Override
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public ArrayList<SecondLevelModel> getSecondLevelByParentID(int parentID) {
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final ArrayList<SecondLevelModel> secondLevelModels = new ArrayList<>();
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try {
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Response<List<SecondLevelModel>> response = vrApi.getSecondLevel(parentID).execute();
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if(response.isSuccessful()) {
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secondLevelModels.addAll(response.body());
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} else {
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errorSignal.emit(2);
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}
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} catch (IOException e) {
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errorSignal.emit(1);
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}
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return secondLevelModels;
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}
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@Override
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public ArrayList<ThirdLevelModel> getThirdLevelByParentID(int parentID) {
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final ArrayList<ThirdLevelModel> thirdLevelModels = new ArrayList<>();
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try {
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Response<List<ThirdLevelModel>> response = vrApi.getDetails(parentID).execute();
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if(response.isSuccessful()) {
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thirdLevelModels.addAll(response.body());
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} else {
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errorSignal.emit(2);
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}
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} catch (IOException e) {
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errorSignal.emit(1);
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}
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return thirdLevelModels;
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}
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}
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@ -12,6 +12,8 @@ import me.texy.treeview.TreeNode;
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import me.texy.treeview.base.BaseNodeViewBinder;
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import ru.volgorobot.vrcatalog.MainContract;
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import ru.volgorobot.vrcatalog.R;
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import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
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import ru.volgorobot.vrcatalog.additional.ResultWithErrorCode;
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import ru.volgorobot.vrcatalog.model.CoreModel;
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import ru.volgorobot.vrcatalog.model.FirstLevelModel;
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import ru.volgorobot.vrcatalog.model.SecondLevelModel;
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@ -45,7 +47,7 @@ public class FirstLevelNodeViewBinder extends BaseNodeViewBinder {
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public void onNodeToggled(TreeNode treeNode, boolean expand) {
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if(expand) {
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FirstLevelModel firstLevelModel = (FirstLevelModel) treeNode.getValue();
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new AsyncTask<Void, Void, ArrayList<SecondLevelModel>>() {
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new AsyncTask<Void, Void, ResultWithErrorCode<ArrayList<SecondLevelModel>>>() {
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@Override
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protected void onPreExecute() {
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super.onPreExecute();
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@ -53,24 +55,49 @@ public class FirstLevelNodeViewBinder extends BaseNodeViewBinder {
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}
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@Override
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protected ArrayList<SecondLevelModel> doInBackground(Void... voids) {
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ArrayList<SecondLevelModel> secondLevelModels = coreModel.getSecondLevelByParentID(firstLevelModel.getID());
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return secondLevelModels;
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protected ResultWithErrorCode<ArrayList<SecondLevelModel>> doInBackground(Void... voids) {
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ArrayList<SecondLevelModel> secondLevelModels = null;
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try {
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secondLevelModels = coreModel.getSecondLevelByParentID(firstLevelModel.getID());
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} catch (NetworkErrorException networkErrorException) {
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return new ResultWithErrorCode<>(secondLevelModels, networkErrorException.getErrorCode());
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} catch (NullPointerException nullPointerException) {
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return new ResultWithErrorCode<>(secondLevelModels, 3);
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}
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return new ResultWithErrorCode<>(secondLevelModels, 0);
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}
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@Override
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protected void onPostExecute(ArrayList<SecondLevelModel> secondLevelModels) {
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super.onPostExecute(secondLevelModels);
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ArrayList<TreeNode> treeNodes = new ArrayList<>();
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for (int i = 0; i < secondLevelModels.size(); i++) {
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TreeNode treeNode1 = new TreeNode(secondLevelModels.get(i));
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treeNode1.setLevel(1);
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treeNodes.add(treeNode1);
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protected void onPostExecute(ResultWithErrorCode<ArrayList<SecondLevelModel>> result) {
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super.onPostExecute(result);
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switch (result.getErrorCode()) {
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case 0: {
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ArrayList<TreeNode> treeNodes = new ArrayList<>();
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for (int i = 0; i < result.getData().size(); i++) {
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TreeNode treeNode1 = new TreeNode(result.getData().get(i));
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treeNode1.setLevel(1);
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treeNodes.add(treeNode1);
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}
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treeNode.setChildren(treeNodes);
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mView.refreshTree();
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imageView.animate().rotation(90).setDuration(200).start();
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break;
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}
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case 1: {
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mView.onFailureAnswer(1);
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break;
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}
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case 2: {
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mView.onFailureAnswer(2);
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break;
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}
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case 3: {
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mView.onFailureAnswer(3);
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break;
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}
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}
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treeNode.setChildren(treeNodes);
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mView.refreshTree();
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mView.swipeLayoutSetRefreshing(false);
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imageView.animate().rotation(90).setDuration(200).start();
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}
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}.execute();
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} else {
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@ -12,6 +12,8 @@ import me.texy.treeview.TreeNode;
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import me.texy.treeview.base.BaseNodeViewBinder;
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import ru.volgorobot.vrcatalog.MainContract;
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import ru.volgorobot.vrcatalog.R;
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import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
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import ru.volgorobot.vrcatalog.additional.ResultWithErrorCode;
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import ru.volgorobot.vrcatalog.model.CoreModel;
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import ru.volgorobot.vrcatalog.model.SecondLevelModel;
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import ru.volgorobot.vrcatalog.model.ThirdLevelModel;
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@ -29,7 +31,6 @@ public class SecondLevelNodeViewBinder extends BaseNodeViewBinder {
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imageView = (ImageView) itemView.findViewById(R.id.arrow_img);
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this.coreModel = new CoreModel(context);
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this.mView = mView;
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coreModel.errorSignal.connect(mView::onFailureAnswer);
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}
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@Override
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@ -47,7 +48,7 @@ public class SecondLevelNodeViewBinder extends BaseNodeViewBinder {
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public void onNodeToggled(TreeNode treeNode, boolean expand) {
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if(expand) {
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SecondLevelModel secondLevelModel = (SecondLevelModel) treeNode.getValue();
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new AsyncTask<Void, Void, ArrayList<ThirdLevelModel>>() {
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new AsyncTask<Void, Void, ResultWithErrorCode<ArrayList<ThirdLevelModel>>>() {
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@Override
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protected void onPreExecute() {
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super.onPreExecute();
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@ -55,24 +56,48 @@ public class SecondLevelNodeViewBinder extends BaseNodeViewBinder {
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}
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@Override
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protected ArrayList<ThirdLevelModel> doInBackground(Void... voids) {
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ArrayList<ThirdLevelModel> thirdLevelModels = coreModel.getThirdLevelByParentID(secondLevelModel.getID());
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return thirdLevelModels;
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protected ResultWithErrorCode<ArrayList<ThirdLevelModel>> doInBackground(Void... voids) {
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ArrayList<ThirdLevelModel> thirdLevelModels = null;
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try {
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thirdLevelModels = coreModel.getThirdLevelByParentID(secondLevelModel.getID());
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} catch (NetworkErrorException networkErrorException) {
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return new ResultWithErrorCode<>(thirdLevelModels, networkErrorException.getErrorCode());
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} catch (NullPointerException nullPointerException) {
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return new ResultWithErrorCode<>(thirdLevelModels, 3);
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}
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return new ResultWithErrorCode<>(thirdLevelModels, 0);
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}
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@Override
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protected void onPostExecute(ArrayList<ThirdLevelModel> thirdLevelModels) {
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super.onPostExecute(thirdLevelModels);
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ArrayList<TreeNode> treeNodes = new ArrayList<>();
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for (int i = 0; i < thirdLevelModels.size(); i++) {
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TreeNode treeNode1 = new TreeNode(thirdLevelModels.get(i));
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treeNode1.setLevel(2);
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treeNodes.add(treeNode1);
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protected void onPostExecute(ResultWithErrorCode<ArrayList<ThirdLevelModel>> result) {
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super.onPostExecute(result);
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switch (result.getErrorCode()) {
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case 0: {
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ArrayList<TreeNode> treeNodes = new ArrayList<>();
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for (int i = 0; i < result.getData().size(); i++) {
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TreeNode treeNode1 = new TreeNode(result.getData().get(i));
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treeNode1.setLevel(2);
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treeNodes.add(treeNode1);
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}
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treeNode.setChildren(treeNodes);
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mView.refreshTree();
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imageView.animate().rotation(90).setDuration(200).start();
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break;
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}
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case 1: {
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mView.onFailureAnswer(1);
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break;
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}
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case 2: {
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mView.onFailureAnswer(2);
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break;
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}
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case 3: {
|
||||
mView.onFailureAnswer(3);
|
||||
break;
|
||||
}
|
||||
}
|
||||
treeNode.setChildren(treeNodes);
|
||||
mView.refreshTree();
|
||||
mView.swipeLayoutSetRefreshing(false);
|
||||
imageView.animate().rotation(90).setDuration(200).start();
|
||||
}
|
||||
}.execute();
|
||||
} else {
|
||||
|
@ -5,6 +5,7 @@ buildscript {
|
||||
repositories {
|
||||
google()
|
||||
jcenter()
|
||||
mavenCentral()
|
||||
}
|
||||
dependencies {
|
||||
classpath 'com.android.tools.build:gradle:3.2.1'
|
||||
@ -19,6 +20,7 @@ allprojects {
|
||||
repositories {
|
||||
google()
|
||||
jcenter()
|
||||
mavenCentral()
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user