(Java) Get a Google Calendar

See more Google Calendar Examples

Demonstrates how to get a particular Google Calendar. The calendar can be referenced by the calendar ID, or by the keyword "primary".

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // 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..
    CkJsonObject jsonToken = new CkJsonObject();
    boolean success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json");
    if (jsonToken.HasMember("access_token") == false) {
        System.out.println("No access token found.");
        return;
        }

    CkHttp http = new CkHttp();
    http.put_AuthToken(jsonToken.stringOf("access_token"));

    // Let's get the primary calendar.
    String jsonResponse = http.quickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList/primary");
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    System.out.println(jsonResponse);

    // A sample response is:

    // {
    //  "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
    // }

    // It can be parsed like this:
    CkJsonObject json = new CkJsonObject();
    json.Load(jsonResponse);

    System.out.println("kind: " + json.stringOf("kind"));
    System.out.println("id: " + json.stringOf("id"));

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

        }
  }
}