Java

List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // This example uses a previously obtained access token having permission for the
        // Google Calendar scope.

        // In this example, Get Google Calendar OAuth2 Access Token, the access
        // token was saved to a JSON file.  This example fetches the access token from the file..
        JsonObject jsonToken = new JsonObject();
        jsonToken.loadFile("qa_data/tokens/googleCalendar.json");
        if (!jsonToken.hasMember("access_token")) {
            System.out.println("No access token found.");
            return;
        }

        Http http = new Http();
        http.setAuthToken(jsonToken.stringOf("access_token"));

        String jsonResponse;
        try {
            jsonResponse = http.quickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(jsonResponse);
        System.out.println("-----------------------------");

        // This is a sample JSON response:
        // (Sample code to iterate over the JSON response is shown below.)

        // {
        //  "kind": "calendar#calendarList",
        //  "etag": "\"p32cfpufit76da0g\"",
        //  "nextSyncToken": "CJj8-fLpzNUCEhhzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20=",
        //  "items": [
        //   {
        //    "kind": "calendar#calendarListEntry",
        //    "etag": "\"1465249947472000\"",
        //    "id": "support@chilkatcloud.com",
        //    "summary": "support@chilkatcloud.com",
        //    "timeZone": "America/Chicago",
        //    "colorId": "14",
        //    "backgroundColor": "#9fe1e7",
        //    "foregroundColor": "#000000",
        //    "selected": true,
        //    "accessRole": "owner",
        //    "defaultReminders": [
        //     {
        //      "method": "popup",
        //      "minutes": 10
        //     }
        //    ],
        //    "notificationSettings": {
        //     "notifications": [
        //      {
        //       "type": "eventCreation",
        //       "method": "email"
        //      },
        //      {
        //       "type": "eventChange",
        //       "method": "email"
        //      },
        //      {
        //       "type": "eventCancellation",
        //       "method": "email"
        //      },
        //      {
        //       "type": "eventResponse",
        //       "method": "email"
        //      }
        //     ]
        //    },
        //    "primary": true
        //   },
        //   {
        //    "kind": "calendar#calendarListEntry",
        //    "etag": "\"1502373382732000\"",
        //    "id": "#contacts@group.v.calendar.google.com",
        //    "summary": "Contacts",
        //    "timeZone": "America/Chicago",
        //    "colorId": "13",
        //    "backgroundColor": "#92e1c0",
        //    "foregroundColor": "#000000",
        //    "selected": true,
        //    "accessRole": "reader",
        //    "defaultReminders": []
        //   },
        //   {
        //    "kind": "calendar#calendarListEntry",
        //    "etag": "\"1502373376447000\"",
        //    "id": "en.usa#holiday@group.v.calendar.google.com",
        //    "summary": "Holidays in United States",
        //    "timeZone": "America/Chicago",
        //    "colorId": "8",
        //    "backgroundColor": "#16a765",
        //    "foregroundColor": "#000000",
        //    "selected": true,
        //    "accessRole": "reader",
        //    "defaultReminders": []
        //   }
        //  ]
        // }
        //

        // Iterate over the JSON response..
        JsonObject json = new JsonObject();
        json.load(jsonResponse);

        int numCalendars = json.sizeOfArray("items");
        int i = 0;
        while (i < numCalendars) {
            System.out.println("--- " + i + " ---");
            json.setI(i);
            System.out.println("kind: " + json.stringOf("items[i].kind"));
            System.out.println("id: " + json.stringOf("items[i].id"));

            // Examine the notification settings, if any..
            int numSettings = json.sizeOfArray("items[i].notificationSettings.notifications");
            if (numSettings > 0) {
                int j = 0;
                while (j < numSettings) {
                    json.setJ(j);
                    System.out.println("Notification Type: " + json.stringOf("items[i].notificationSettings.notifications[j].type"));
                    System.out.println("Notification Method: " + json.stringOf("items[i].notificationSettings.notifications[j].method"));
                    j = j + 1;
                }
            }

            i = i + 1;
        }
    }
}