Java tutorial
/** * This file is part of FileSpace for Android, an app for managing your server (files, talks...). * <p/> * Copyright (c) 2014-2015 FileSpace for Android contributors (http://mercandalli.com) * <p/> * LICENSE: * <p/> * FileSpace for Android is free software: you can redistribute it and/or modify it under the terms of the GNU General * Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any * later version. * <p/> * FileSpace for Android 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 General Public License for more * details. * * @author Jonathan Mercandalli * @license http://www.gnu.org/licenses/gpl.html * @copyright 2014-2015 FileSpace for Android contributors (http://mercandalli.com) */ package com.mercandalli.android.apps.files.user; import android.app.Activity; import android.util.Log; import com.mercandalli.android.apps.files.common.util.TimeUtils; import org.json.JSONException; import org.json.JSONObject; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import java.util.TimeZone; public class UserConversationMessageModel { public int id, id_conversation, id_user; public Date date_creation; public String content; public UserModel user; public UserConversationMessageModel(final Activity activity, final JSONObject json) { SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss", Locale.US); try { if (json.has("id")) { this.id = json.getInt("id"); } if (json.has("id_conversation")) { this.id_conversation = json.getInt("id_conversation"); } if (json.has("id_user")) { this.id_user = json.getInt("id_user"); } if (json.has("content")) { this.content = json.getString("content"); } if (json.has("user")) { this.user = new UserModel(json.getJSONObject("user")); } if (json.has("date_creation") && !json.isNull("date_creation")) { this.date_creation = dateFormat.parse(json.getString("date_creation")); } } catch (JSONException | ParseException e) { Log.e(getClass().getName(), "Failed to convert Json", e); } } public String getUsername() { if (this.user == null) { return ""; } return (this.user.username == null) ? "" : this.user.username; } public String getAdapterTitle() { return this.content; } public String getAdapterSubtitle() { String date = date_creation.toString(); SimpleDateFormat dateFormatGmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US); dateFormatGmt.setTimeZone(TimeZone.getTimeZone("UTC")); SimpleDateFormat dateFormatLocal = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US); try { date = TimeUtils.printDifferencePast(date_creation, dateFormatLocal.parse(dateFormatGmt.format(new Date()))); } catch (ParseException e) { Log.e(getClass().getName(), "Exception", e); } return getUsername() + " " + date + " ago"; } }