Java tutorial
/* * Copyright 2016 TIBCO Software,Inc.All rights reserved. * http://community.jaspersoft.com/project/jaspermobile-android * * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft, * the following license terms apply: * * This program is part of TIBCO Jaspersoft Mobile for Android. * * TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation,either version 3of the License,or * (at your option)any later version. * * TIBCO Jaspersoft Mobile is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY;without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with TIBCO Jaspersoft Mobile for Android.If not,see * <http://www.gnu.org/licenses/lgpl>. */ package com.jaspersoft.android.jaspermobile.network; import android.content.Context; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.FragmentManager; import android.support.v7.app.AppCompatActivity; import android.text.TextUtils; import android.widget.Toast; import com.jaspersoft.android.jaspermobile.R; import com.jaspersoft.android.jaspermobile.dialog.PasswordDialogFragment; import com.jaspersoft.android.jaspermobile.internal.di.ApplicationContext; import com.jaspersoft.android.sdk.service.exception.ServiceException; import com.jaspersoft.android.sdk.service.exception.StatusCodes; import javax.inject.Inject; import javax.inject.Singleton; /** * @author Ivan Gadzhega * @since 1.6 */ @Singleton public class RequestExceptionHandler { private final Context mContext; @Inject public RequestExceptionHandler(@ApplicationContext Context context) { mContext = context; } public static void showAuthErrorIfExists(Context context, Throwable exception) { RequestExceptionHandler requestExceptionHandler = new RequestExceptionHandler(context); requestExceptionHandler.showAuthErrorIfExists(exception); } public static void showCommonErrorMessage(Context context, Throwable exception) { RequestExceptionHandler requestExceptionHandler = new RequestExceptionHandler(context); requestExceptionHandler.showCommonErrorMessage(exception); } @Nullable public String extractMessage(@Nullable Throwable exception) { if (exception == null) { throw new IllegalArgumentException("Exception should not be null"); } if (exception instanceof ServiceException) { ServiceException serviceException = ((ServiceException) exception); return adaptServiceMessage(serviceException); } if (exception.getCause() instanceof ServiceException) { ServiceException serviceException = (ServiceException) exception.getCause(); return adaptServiceMessage(serviceException); } return exception.getLocalizedMessage(); } public void showAuthErrorIfExists(Throwable exception) { if (isAuthError(exception)) { showAuthErrorDialog(); } else { showCommonErrorMessage(exception); } } public void showCommonErrorMessage(@NonNull Throwable exception) { String message = extractMessage(exception); if (!TextUtils.isEmpty(message)) { Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show(); } } @Nullable public static String extractMessage(@NonNull Context context, @Nullable Throwable exception) { RequestExceptionHandler handler = new RequestExceptionHandler(context); return handler.extractMessage(exception); } //--------------------------------------------------------------------- // Helper methods //--------------------------------------------------------------------- private boolean isAuthError(Throwable throwable) { if (throwable instanceof ServiceException) { ServiceException serviceException = (ServiceException) throwable; int code = serviceException.code(); return code == StatusCodes.AUTHORIZATION_ERROR; } return false; } private void showAuthErrorDialog() { FragmentManager supportFragmentManager = getSupportFragmentManager(); if (supportFragmentManager != null) { PasswordDialogFragment.show(supportFragmentManager); } } private String adaptServiceMessage(ServiceException exception) { int code = exception.code(); switch (code) { case StatusCodes.NETWORK_ERROR: return mContext.getString(R.string.no_network); case StatusCodes.AUTHORIZATION_ERROR: return mContext.getString(R.string.error_http_401); case StatusCodes.PERMISSION_DENIED_ERROR: return mContext.getString(R.string.error_http_403); case StatusCodes.CLIENT_ERROR: return mContext.getString(R.string.error_http_404); case StatusCodes.INTERNAL_ERROR: return mContext.getString(R.string.error_http_500); case StatusCodes.EXPORT_PAGE_OUT_OF_RANGE: return mContext.getString(R.string.rv_out_of_range); case StatusCodes.REPORT_EXECUTION_CANCELLED: return mContext.getString(R.string.error_report_cancelled); case StatusCodes.REPORT_EXECUTION_FAILED: return mContext.getString(R.string.error_report_failed); case StatusCodes.EXPORT_EXECUTION_FAILED: return mContext.getString(R.string.error_export_failed); case StatusCodes.EXPORT_EXECUTION_CANCELLED: return mContext.getString(R.string.error_export_cancelled); case StatusCodes.JOB_DUPLICATE_OUTPUT_FILE_NAME: return mContext.getString(R.string.error_schedule_duplicate_file_name); case StatusCodes.JOB_START_DATE_IN_THE_PAST: return mContext.getString(R.string.error_schedule_start_date_in_the_past); case StatusCodes.JOB_OUTPUT_FILENAME_INVALID_CHARS: return mContext.getString(R.string.error_schedule_special_characters); case StatusCodes.JOB_OUTPUT_FOLDER_DOES_NOT_EXIST: return mContext.getString(R.string.error_schedule_folder_not_exist); case StatusCodes.JOB_OUTPUT_FOLDER_IS_NOT_WRITABLE: return mContext.getString(R.string.error_schedule_folder_not_writable); case StatusCodes.JOB_OUTPUT_FILENAME_TOO_LONG: String fileLength = exception.getArguments().get(0); return mContext.getString(R.string.error_schedule_output_filename_too_long, fileLength); case StatusCodes.JOB_TRIGGER_MONTHS_EMPTY: return mContext.getString(R.string.error_trigger_empty_months); case StatusCodes.JOB_TRIGGER_WEEK_DAYS_EMPTY: return mContext.getString(R.string.error_trigger_empty_days); case StatusCodes.JOB_LABEL_TOO_LONG: String labelLength = exception.getArguments().get(0); return mContext.getString(R.string.error_schedule_label_too_long, labelLength); case StatusCodes.SAVED_VALUES_EXIST_IN_FOLDER: return mContext.getString(R.string.error_saved_values_duplicate); case StatusCodes.SAVED_VALUES_LABEL_TOO_LONG: String savedValesLabelLength = exception.getArguments().get(0); return mContext.getString(R.string.error_saved_values_label_too_long, savedValesLabelLength); case StatusCodes.JOB_CREATION_INTERNAL_ERROR: return exception.getMessage(); case StatusCodes.JOB_CALENDAR_PATTERN_ERROR_DAYS_IN_MONTH: return mContext.getString(R.string.error_trigger_calendar_pattern_days_in_month); case StatusCodes.JOB_CALENDAR_PATTERN_ERROR_HOURS: return mContext.getString(R.string.error_trigger_calendar_pattern_hours); case StatusCodes.JOB_CALENDAR_PATTERN_ERROR_MINUTES: return mContext.getString(R.string.error_trigger_calendar_pattern_minutes); default: return mContext.getString(R.string.error_undefined); } } /** * It is dirty method will leave here until * we move to android.app.FragmentManager * * @return FragmentManager or null */ @Nullable private FragmentManager getSupportFragmentManager() { if (mContext instanceof AppCompatActivity) { return ((AppCompatActivity) mContext).getSupportFragmentManager(); } else { return null; } } }