com.test.balance.EventMB.java Source code

Java tutorial

Introduction

Here is the source code for com.test.balance.EventMB.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.test.balance;

import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.client.util.DateTime;
import com.google.api.client.util.store.FileDataStoreFactory;
import com.google.api.services.calendar.CalendarScopes;
import com.google.api.services.calendar.model.Event;
import com.google.api.services.calendar.model.Events;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;

/**
 *
 * @author justin
 */
@ManagedBean(name = "EventMB")
@RequestScoped
public class EventMB {

    //private Object[] event;
    private List<Object[]> eventsList;

    private Object[] event;

    /**
     * Creates a new instance of NewJSFManagedBean
     */
    public EventMB() {
        this.eventsList = new ArrayList<Object[]>();
    }

    /** Application name. */
    private static final String APPLICATION_NAME = "Google Calendar API Java Quickstart";

    /** Directory to store user credentials for this application. */
    private static final java.io.File DATA_STORE_DIR = new java.io.File(System.getProperty("user.home"),
            ".credentials/calendar-java-quickstart");

    /** Global instance of the {@link FileDataStoreFactory}. */
    private static FileDataStoreFactory DATA_STORE_FACTORY;

    /** Global instance of the JSON factory. */
    private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();

    /** Global instance of the HTTP transport. */
    private static HttpTransport HTTP_TRANSPORT;

    /** Global instance of the scopes required by this quickstart. */
    private static final List<String> SCOPES = Arrays.asList(CalendarScopes.CALENDAR_READONLY);

    static {
        try {
            HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();
            DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR);
        } catch (Throwable t) {
            t.printStackTrace();
            System.exit(1);
        }
    }

    @PostConstruct
    public void initPage() {
        this.eventsList.clear();
        try {
            listAllEvents();
        } catch (IOException ex) {
            Logger.getLogger(EventMB.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ParseException ex) {
            Logger.getLogger(EventMB.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public static Credential authorize() throws IOException {
        // Load client secrets.
        InputStream in = EventMB.class.getResourceAsStream("client_secret.json");
        GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

        // Build flow and trigger user authorization request.
        GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY,
                clientSecrets, SCOPES).setDataStoreFactory(DATA_STORE_FACTORY).setAccessType("offline").build();
        Credential credential = new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver())
                .authorize("user");
        System.out.println("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
        return credential;
    }

    public void listAllEvents() throws IOException, ParseException {
        List<String[]> myList = new ArrayList<String[]>();

        eventsList = new ArrayList<Object[]>();

        com.google.api.services.calendar.Calendar service = getCalendarService();

        // List the next 10 events from the primary calendar.
        DateTime now = new DateTime(System.currentTimeMillis());
        Events events = service.events().list("primary").setMaxResults(20).setTimeMin(now).setOrderBy("startTime")
                .setSingleEvents(true).execute();
        List<Event> items = events.getItems();
        for (Event e : items) {
            System.out.println(e.getSummary() + " , " + e.getStart());
        }
        if (items.size() == 0) {
            System.out.println("No upcoming events found.");
        } else {
            System.out.println("Upcoming events");
            for (Event event : items) {
                DateTime start = event.getStart().getDateTime();
                if (start == null) {
                    start = event.getStart().getDate();
                }
                String today = new SimpleDateFormat("yyyy-MM-dd").format(Calendar.getInstance().getTime());
                String startString = new SimpleDateFormat("MM/dd/yyyy")
                        .format(new SimpleDateFormat("yyyy-MM-dd").parse(start.toString().substring(0, 10)));
                Object[] eventArray = new Object[2];
                eventArray[0] = event.getSummary();
                eventArray[1] = start.toString().equals(today) ? "Today" : startString;
                eventsList.add(eventArray);
            }
        }

    }

    public static com.google.api.services.calendar.Calendar getCalendarService() throws IOException {
        Credential credential = authorize();
        return new com.google.api.services.calendar.Calendar.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
                .setApplicationName(APPLICATION_NAME).build();
    }

    public List<Object[]> getEventsList() {
        return eventsList;
    }

    public void setEventsList(List<Object[]> eventsList) {
        this.eventsList = eventsList;
    }

    public Object[] getEvent() {
        return event;
    }

    public void setEvent(Object[] event) {
        this.event = event;
    }

}