Java tutorial
/************************************************************************************** * Copyright (c) 2014, Marcus Machado, All rights reserved. * Copyright (c) 2014, Java Emergency Management Framework - JEMF, All rights reserved. * Graduate Program on Informatics (PPGI), Federal University of Rio de Janeiro (UFRJ). * * This program 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 3 of the License, or * (at your option) any later version. * * This program 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * **************************************************************************************/ package br.ufrj.ppgi.jemf.mobile.bean; import java.text.ParseException; import java.util.Locale; import org.json.JSONException; import org.json.JSONObject; import android.os.Parcel; import android.os.Parcelable; import br.ufrj.ppgi.jemf.core.coordination.AbstractTask; import br.ufrj.ppgi.jemf.core.coordination.EnumPriority; import br.ufrj.ppgi.jemf.core.coordination.EnumServiceStatus; import br.ufrj.ppgi.jemf.utils.DateTimeFormat; /** * @author Marcus Machado * */ public class Task extends AbstractTask implements Parcelable, Comparable<Task> { /* Relationships - Future work */ /** * Emergency ID. */ private int idEmergency; /** * User ID. */ private int idUser; /** * Constructor. */ public Task() { super(); this.setId(0); } /** * Constructor. * @param title * @param description * @param status * @param startDate * @param endDate * @param priority * @throws ParseException */ public Task(String title, String description, String status, String startDate, String endDate, String priority) { super(); this.setTitle(title); this.setDescription(description); this.setStatusString(status); this.setStartDateString(startDate); this.setEndDateString(endDate); this.setPriorityString(priority); } /** * Set the Emergency ID. * @param idEmergency */ public void setEmergencyId(int idEmergency) { this.idEmergency = idEmergency; } /** * Get the Emergency ID. * @return int */ public int getEmergencyId() { return this.idEmergency; } /** * Set the User ID. * @param idUser */ public void setUserId(int idUser) { this.idUser = idUser; } /** * Get the User ID. * @return int */ public int getUserId() { return this.idUser; } /** * Get the status as String value. * @return String */ public String getStatusString() { return getStatus().name(); } /** * Set the status as String value. * @param status */ public void setStatusString(String status) { setStatus(EnumServiceStatus.valueOf(status.toUpperCase(Locale.ROOT))); } /** * Get the start date as String value. * @return String */ public String getStartDateString() { return DateTimeFormat.DateTimeToString(getStartDate()); } /** * Set the start date as String value. * @param startDate * @throws ParseException */ public void setStartDateString(String startDate) { try { setStartDate(DateTimeFormat.StringToDateTime(startDate)); } catch (ParseException e) { e.printStackTrace(); } } /** * Get the end date as String value. * @return String */ public String getEndDateString() { return DateTimeFormat.DateTimeToString(getEndDate()); } /** * Set the end date as String value. * @param endDate * @throws ParseException */ public void setEndDateString(String endDate) { try { setEndDate(DateTimeFormat.StringToDateTime(endDate)); } catch (ParseException e) { e.printStackTrace(); } } /** * Get the priority as String value. * @return String */ public String getPriorityString() { return getPriority().name(); } /** * Set the priority as String value. * @param priority */ public void setPriorityString(String priority) { setPriority(EnumPriority.valueOf(priority.toUpperCase(Locale.ROOT))); } /** * Task Parcelable Constructor. * Parcelable to get passed among activities through Intent (similar to Serialization). * Attention to class members order an this use FIFO method. */ private Task(Parcel in) { setId(in.readInt()); setTitle(in.readString()); setDescription(in.readString()); setStatusString(in.readString()); setStartDateString(in.readString()); setEndDateString(in.readString()); setPriorityString(in.readString()); } /** * Describe Parcelable contents. * @return int */ @Override public int describeContents() { return 0; } /** * Write Task data to Parcelable. */ @Override public void writeToParcel(Parcel dest, int flags) { dest.writeInt(getId()); dest.writeString(getTitle()); dest.writeString(getDescription()); dest.writeString(getStatusString()); dest.writeString(getStartDateString()); dest.writeString(getEndDateString()); dest.writeString(getPriorityString()); } /** * Public Task Parcelable Constructor. */ public static final Parcelable.Creator<Task> CREATOR = new Parcelable.Creator<Task>() { /** * Create a Task from Parcel. * @return Task */ @Override public Task createFromParcel(Parcel source) { // Use Parcelable constructor. return new Task(source); } /** * Create a Task Array. * @return Array */ @Override public Task[] newArray(int size) { return new Task[size]; } }; /** * Compare Task objects. * @param another */ @Override public int compareTo(Task another) { return this.getTitle().compareTo(another.getTitle()); } /** * Task Object to String. * @return String */ @Override public String toString() { try { return new StringBuilder("Task [").append("id=" + String.valueOf(getId()) + ", ") .append("title=" + getTitle() + ", ").append("description=" + getDescription() + ", ") .append("status=" + getStatusString() + ", ").append("startDate=" + getStartDateString() + ", ") .append("endDate=" + getEndDateString() + ", ").append("priority=" + getPriorityString()) .append("]").toString(); } catch (Exception e) { e.printStackTrace(); } return null; } /** * Task Object to JSON. * @return String */ public String toJSON() { try { JSONObject data = new JSONObject(); data.put("id", String.valueOf(getId())); data.put("title", getTitle()); data.put("description", getDescription()); data.put("status", getStatusString()); data.put("startDate", getStartDateString()); data.put("endDate", getEndDateString()); data.put("priority", getPriorityString()); JSONObject object = new JSONObject(); object.put("Task", data); return object.toString(); } catch (JSONException e) { e.printStackTrace(); } return null; } }