(Java) Outlook Calendar Create an Event

See more Outlook Calendar Examples

Create an event in the specified time zone, and assign the event an optional transactionId value.

For more information, see https://docs.microsoft.com/en-us/graph/api/user-post-events?view=graph-rest-1.0&tabs=http#example-1-create-an-event-in-the-specified-time-zone-and-assign-the-event-an-optional-transactionid-value

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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.

    CkHttp http = new CkHttp();

    // Use your previously obtained access token here: Get Outlook Calendar OAuth2 Access Token (Azure AD v2.0 Endpoint).

    CkJsonObject jsonToken = new CkJsonObject();
    boolean success = jsonToken.LoadFile("qa_data/tokens/outlookCalendar.json");
    if (success == false) {
        System.out.println(jsonToken.lastErrorText());
        return;
        }

    http.put_AuthToken(jsonToken.stringOf("access_token"));

    // Send the following POST:

    // POST https://graph.microsoft.com/v1.0/me/events
    // Prefer: outlook.timezone="Pacific Standard Time"
    // Content-type: application/json
    // 
    // {
    //   "subject": "Let's go for lunch",
    //   "body": {
    //     "contentType": "HTML",
    //     "content": "Does noon work for you?"
    //   },
    //   "start": {
    //       "dateTime": "2017-04-15T12:00:00",
    //       "timeZone": "Pacific Standard Time"
    //   },
    //   "end": {
    //       "dateTime": "2017-04-15T14:00:00",
    //       "timeZone": "Pacific Standard Time"
    //   },
    //   "location":{
    //       "displayName":"Harry's Bar"
    //   },
    //   "attendees": [
    //     {
    //       "emailAddress": {
    //         "address":"samanthab@contoso.onmicrosoft.com",
    //         "name": "Samantha Booth"
    //       },
    //       "type": "required"
    //     }
    //   ],
    //   "allowNewTimeProposals": true,
    //   "transactionId":"7E163156-7762-4BEB-A1C6-729EA81755A7"
    // }

    // Build the JSON body of the POST.
    CkJsonObject json = new CkJsonObject();
    json.UpdateString("subject","Let's go for lunch");
    json.UpdateString("body.contentType","HTML");
    json.UpdateString("body.content","Does noon work for you?");
    json.UpdateString("start.dateTime","2021-05-15T12:00:00");
    json.UpdateString("start.timeZone","Pacific Standard Time");
    json.UpdateString("end.dateTime","2021-05-15T14:00:00");
    json.UpdateString("end.timeZone","Pacific Standard Time");
    json.UpdateString("location.displayName","Harry's Bar");
    json.UpdateString("attendees[0].emailAddress.address","samanthab@contoso.onmicrosoft.com");
    json.UpdateString("attendees[0].emailAddress.name","Samantha Booth");
    json.UpdateString("attendees[0].type","required");
    json.UpdateBool("allowNewTimeProposals",true);

    // Generate a UUID.
    CkCrypt2 crypt = new CkCrypt2();
    json.UpdateString("transactionId",crypt.generateUuid());

    // Add the "Prefer" request header.
    http.SetRequestHeader("Prefer","outlook.timezone=\"Pacific Standard Time\"");

    // Send the HTTP POST
    CkHttpResponse resp = http.PostJson2("https://graph.microsoft.com/v1.0/me/events","application/json",json.emit());
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    System.out.println("Response status code = " + resp.get_StatusCode());

    CkJsonObject jResp = new CkJsonObject();
    jResp.Load(resp.bodyStr());
    jResp.put_EmitCompact(false);
    System.out.println(jResp.emit());

    // The send succeeded if the response status code = 201.
    if (resp.get_StatusCode() != 201) {
        System.out.println("Failed");
        return;
        }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('user%40example.com')/events/$entity",
    //   "@odata.etag": "W/\"5+vF7TKKdE6bGCRqXyl2PQAEaGQgcw==\"",
    //   "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgENAAAA5_vF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA==",
    //   "createdDateTime": "2021-04-18T23:38:52.1979259Z",
    //   "lastModifiedDateTime": "2021-04-18T23:38:53.3747647Z",
    //   "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAEaGQgcw==",
    //   "categories": [
    //   ],
    //   "transactionId": "1d12b565-3ca3-4ed8-b3f9-e8a14ac3ac17",
    //   "originalStartTimeZone": "Pacific Standard Time",
    //   "originalEndTimeZone": "Pacific Standard Time",
    //   "iCalUId": "040000008200E00074C5B7101A82E00800000000EF0328FDAB34D7010000000000000000100000004478DD5948382543AFD1B52C25E88C02",
    //   "reminderMinutesBeforeStart": 15,
    //   "isReminderOn": true,
    //   "hasAttachments": false,
    //   "subject": "Let's go for lunch",
    //   "bodyPreview": "Does noon work for you?",
    //   "importance": "normal",
    //   "sensitivity": "normal",
    //   "isAllDay": false,
    //   "isCancelled": false,
    //   "isOrganizer": true,
    //   "responseRequested": true,
    //   "seriesMasterId": null,
    //   "showAs": "busy",
    //   "type": "singleInstance",
    //   "webLink": "https://outlook.live.com/owa/?itemid=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgENAAAA5%2BvF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA%3D%3D&exvsurl=1&path=/calendar/item",
    //   "onlineMeetingUrl": null,
    //   "isOnlineMeeting": false,
    //   "onlineMeetingProvider": "unknown",
    //   "allowNewTimeProposals": true,
    //   "isDraft": false,
    //   "hideAttendees": false,
    //   "recurrence": null,
    //   "onlineMeeting": null,
    //   "responseStatus": {
    //     "response": "organizer",
    //     "time": "0001-01-01T00:00:00Z"
    //   },
    //   "body": {
    //     "contentType": "html",
    //     "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes noon work for you?\r\n</body>\r\n</html>\r\n"
    //   },
    //   "start": {
    //     "dateTime": "2021-05-15T12:00:00.0000000",
    //     "timeZone": "Pacific Standard Time"
    //   },
    //   "end": {
    //     "dateTime": "2021-05-15T14:00:00.0000000",
    //     "timeZone": "Pacific Standard Time"
    //   },
    //   "location": {
    //     "displayName": "Harry's Bar",
    //     "locationType": "default",
    //     "uniqueId": "Harry's Bar",
    //     "uniqueIdType": "private"
    //   },
    //   "locations": [
    //     {
    //       "displayName": "Harry's Bar",
    //       "locationType": "default",
    //       "uniqueId": "Harry's Bar",
    //       "uniqueIdType": "private"
    //     }
    //   ],
    //   "attendees": [
    //     {
    //       "type": "required",
    //       "status": {
    //         "response": "none",
    //         "time": "0001-01-01T00:00:00Z"
    //       },
    //       "emailAddress": {
    //         "name": "Samantha Booth",
    //         "address": "samanthab@contoso.onmicrosoft.com"
    //       }
    //     }
    //   ],
    //   "organizer": {
    //     "emailAddress": {
    //       "name": "John Doe",
    //       "address": "outlook_3A33FCEB9B74CC15@outlook.com"
    //     }
    //   }
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    String displayName;
    String locationType;
    String uniqueId;
    String uniqueIdType;
    String statusResponse;
    String statusTime;
    String emailAddressName;
    String emailAddressAddress;

    String odata_context = jResp.stringOf("\"@odata.context\"");
    String odata_etag = jResp.stringOf("\"@odata.etag\"");
    String id = jResp.stringOf("id");
    String createdDateTime = jResp.stringOf("createdDateTime");
    String lastModifiedDateTime = jResp.stringOf("lastModifiedDateTime");
    String changeKey = jResp.stringOf("changeKey");
    String transactionId = jResp.stringOf("transactionId");
    String originalStartTimeZone = jResp.stringOf("originalStartTimeZone");
    String originalEndTimeZone = jResp.stringOf("originalEndTimeZone");
    String iCalUId = jResp.stringOf("iCalUId");
    int reminderMinutesBeforeStart = jResp.IntOf("reminderMinutesBeforeStart");
    boolean isReminderOn = jResp.BoolOf("isReminderOn");
    boolean hasAttachments = jResp.BoolOf("hasAttachments");
    String subject = jResp.stringOf("subject");
    String bodyPreview = jResp.stringOf("bodyPreview");
    String importance = jResp.stringOf("importance");
    String sensitivity = jResp.stringOf("sensitivity");
    boolean isAllDay = jResp.BoolOf("isAllDay");
    boolean isCancelled = jResp.BoolOf("isCancelled");
    boolean isOrganizer = jResp.BoolOf("isOrganizer");
    boolean responseRequested = jResp.BoolOf("responseRequested");
    String seriesMasterId = jResp.stringOf("seriesMasterId");
    String showAs = jResp.stringOf("showAs");
    String v_type = jResp.stringOf("type");
    String webLink = jResp.stringOf("webLink");
    String onlineMeetingUrl = jResp.stringOf("onlineMeetingUrl");
    boolean isOnlineMeeting = jResp.BoolOf("isOnlineMeeting");
    String onlineMeetingProvider = jResp.stringOf("onlineMeetingProvider");
    boolean allowNewTimeProposals = jResp.BoolOf("allowNewTimeProposals");
    boolean isDraft = jResp.BoolOf("isDraft");
    boolean hideAttendees = jResp.BoolOf("hideAttendees");
    String recurrence = jResp.stringOf("recurrence");
    String onlineMeeting = jResp.stringOf("onlineMeeting");
    String responseStatusResponse = jResp.stringOf("responseStatus.response");
    String responseStatusTime = jResp.stringOf("responseStatus.time");
    String bodyContentType = jResp.stringOf("body.contentType");
    String bodyContent = jResp.stringOf("body.content");
    String startDateTime = jResp.stringOf("start.dateTime");
    String startTimeZone = jResp.stringOf("start.timeZone");
    String endDateTime = jResp.stringOf("end.dateTime");
    String endTimeZone = jResp.stringOf("end.timeZone");
    String locationDisplayName = jResp.stringOf("location.displayName");
    String locationLocationType = jResp.stringOf("location.locationType");
    String locationUniqueId = jResp.stringOf("location.uniqueId");
    String locationUniqueIdType = jResp.stringOf("location.uniqueIdType");
    String organizerEmailAddressName = jResp.stringOf("organizer.emailAddress.name");
    String organizerEmailAddressAddress = jResp.stringOf("organizer.emailAddress.address");
    int i = 0;
    int count_i = jResp.SizeOfArray("categories");
    while (i < count_i) {
        jResp.put_I(i);
        i = i+1;
        }

    i = 0;
    count_i = jResp.SizeOfArray("locations");
    while (i < count_i) {
        jResp.put_I(i);
        displayName = jResp.stringOf("locations[i].displayName");
        locationType = jResp.stringOf("locations[i].locationType");
        uniqueId = jResp.stringOf("locations[i].uniqueId");
        uniqueIdType = jResp.stringOf("locations[i].uniqueIdType");
        i = i+1;
        }

    i = 0;
    count_i = jResp.SizeOfArray("attendees");
    while (i < count_i) {
        jResp.put_I(i);
        v_type = jResp.stringOf("attendees[i].type");
        statusResponse = jResp.stringOf("attendees[i].status.response");
        statusTime = jResp.stringOf("attendees[i].status.time");
        emailAddressName = jResp.stringOf("attendees[i].emailAddress.name");
        emailAddressAddress = jResp.stringOf("attendees[i].emailAddress.address");
        i = i+1;
        }

    System.out.println("Event created.");
  }
}