Unicode C
Unicode C
List Google Calendars
See more Google Calendar Examples
Demonstrates how to list the Google Calendars for an account.Chilkat Unicode C Downloads
#include <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
void ChilkatSample(void)
{
BOOL success;
HCkJsonObjectW jsonToken;
HCkHttpW http;
const wchar_t *jsonResponse;
HCkJsonObjectW json;
int numCalendars;
int i;
int numSettings;
int j;
success = FALSE;
// 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..
jsonToken = CkJsonObjectW_Create();
success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/googleCalendar.json");
if (CkJsonObjectW_HasMember(jsonToken,L"access_token") == FALSE) {
wprintf(L"No access token found.\n");
CkJsonObjectW_Dispose(jsonToken);
return;
}
http = CkHttpW_Create();
CkHttpW_putAuthToken(http,CkJsonObjectW_stringOf(jsonToken,L"access_token"));
jsonResponse = CkHttpW_quickGetStr(http,L"https://www.googleapis.com/calendar/v3/users/me/calendarList");
if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
CkJsonObjectW_Dispose(jsonToken);
CkHttpW_Dispose(http);
return;
}
wprintf(L"%s\n",jsonResponse);
wprintf(L"-----------------------------\n");
// 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..
json = CkJsonObjectW_Create();
CkJsonObjectW_Load(json,jsonResponse);
numCalendars = CkJsonObjectW_SizeOfArray(json,L"items");
i = 0;
while (i < numCalendars) {
wprintf(L"--- %d ---\n",i);
CkJsonObjectW_putI(json,i);
wprintf(L"kind: %s\n",CkJsonObjectW_stringOf(json,L"items[i].kind"));
wprintf(L"id: %s\n",CkJsonObjectW_stringOf(json,L"items[i].id"));
// Examine the notification settings, if any..
numSettings = CkJsonObjectW_SizeOfArray(json,L"items[i].notificationSettings.notifications");
if (numSettings > 0) {
j = 0;
while (j < numSettings) {
CkJsonObjectW_putJ(json,j);
wprintf(L"Notification Type: %s\n",CkJsonObjectW_stringOf(json,L"items[i].notificationSettings.notifications[j].type"));
wprintf(L"Notification Method: %s\n",CkJsonObjectW_stringOf(json,L"items[i].notificationSettings.notifications[j].method"));
j = j + 1;
}
}
i = i + 1;
}
CkJsonObjectW_Dispose(jsonToken);
CkHttpW_Dispose(http);
CkJsonObjectW_Dispose(json);
}