Objective-C
Objective-C
Outlook -- List Selected Fields in Messages
See more Outlook Examples
Demonstrates how to list the messages in a particular Outlook mailbox folder, but selects particular fields to be returned.This uses the OData $select system query option. See OData System Query Option $select for general information.
Also see OData URL Conventions for information about $select and other query options.
Note: This example requires Chilkat v9.5.0.68 or greater.
This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
Chilkat Objective-C Downloads
#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <CkoHashtable.h>
#import <NSString.h>
#import <CkoJsonObject.h>
BOOL success = NO;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
CkoHttp *http = [[CkoHttp alloc] init];
// Use your previously obtained access token here:
// See the following examples for getting an access token:
// Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
// Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
// Refresh Access Token (Azure AD v2.0 Endpoint).
// Refresh Access Token (Azure AD Endpoint).
http.AuthToken = @"MICROSOFT_GRAPH_ACCESS_TOKEN";
CkoStringBuilder *sbResponse = [[CkoStringBuilder alloc] init];
// In this example, we'd like to get the messages in the folder "/Inbox",
// but we must specify the corresponding folder_id. The best way to do this is to create
// a local map of folderPaths-to-folderIds.
// This example does it: Create Outlook Folder Map)
CkoHashtable *htFolderMap = [[CkoHashtable alloc] init];
CkoStringBuilder *sbMap = [[CkoStringBuilder alloc] init];
[sbMap LoadFile: @"qa_data/outlook/folderMap.xml" charset: @"utf-8"];
[htFolderMap AddFromXmlSb: sbMap];
// Get the ID for the "/Inbox" folder:
NSString *folderId = [htFolderMap LookupStr: @"/Inbox"];
if (htFolderMap.LastMethodSuccess != YES) {
NSLog(@"%@",@"Folder ID not found");
return;
}
[http SetUrlVar: @"folder_id" value: folderId];
// Send the request to list the messages, returning only the subject and from address.
success = [http QuickGetSb: @"https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$select=subject,from" sbContent: sbResponse];
if ((success != YES) && ([http.LastStatus intValue] == 0)) {
NSLog(@"%@",http.LastErrorText);
return;
}
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json LoadSb: sbResponse];
json.EmitCompact = NO;
NSLog(@"%@%d",@"Status code = ",[http.LastStatus intValue]);
if ([http.LastStatus intValue] != 200) {
NSLog(@"%@",[json Emit]);
NSLog(@"%@",@"Failed.");
}
NSLog(@"%@",[json Emit]);
// In my test case, the raw JSON returned is shown below.
// Iterate over the messages to get information about each..
int i = 0;
int numMessages = [[json SizeOfArray: @"value"] intValue];
while (i < numMessages) {
json.I = [NSNumber numberWithInt: i];
// This is the id for the email message.
// For REST API calls that require particular email message id, this is what should be used..
NSString *messageId = [json StringOf: @"value[i].id"];
NSLog(@"%@%@",@"id: ",messageId);
NSLog(@"%@%@",@"From Name: ",[json StringOf: @"value[i].from.emailAddress.name"]);
NSLog(@"%@%@",@"From Addr: ",[json StringOf: @"value[i].from.emailAddress.address"]);
NSLog(@"%@%@",@"Subject: ",[json StringOf: @"value[i].subject"]);
NSLog(@"%@",@"--");
i = i + 1;
}
// The output of the above loop:
//
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1oAAAA=
// From Name: Chilkat Software
// From Addr: admin@chilkat.io
// Subject: This is an example email from chilkat.io
// --
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1kAAAA=
// From Name: Chilkat Support
// From Addr: chilkat.support@gmail.com
// Subject: Hello from GMail
// --
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAHrLra8AAAA=
// From Name: Microsoft Office 365
// From Addr: MicrosoftOffice365@email.office.com
// Subject: The latest for you in Office 365
// --
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=
// From Name: Amazon Web Services
// From Addr: no-reply-aws@amazon.com
// Subject: Amazon SES Address Verification Request in region US West (Oregon)
// --
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=
// From Name: Amazon Web Services
// From Addr: no-reply-aws@amazon.com
// Subject: Amazon SES Address Verification Request in region US West (Oregon)
// --
// id: AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAAG6l8UAAAA=
// From Name: Microsoft
// From Addr: msa@communication.microsoft.com
// Subject: Updates to our terms of use and privacy statement
// --
//
// ------------------------------------------------------
// This is the raw JSON response:
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(subject,from)",
// "value": [
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfo\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1oAAAA=",
// "subject": "This is an example email from chilkat.io",
// "from": {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "admin@chilkat.io"
// }
// }
// },
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfn\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj1kAAAA=",
// "subject": "Hello from GMail",
// "from": {
// "emailAddress": {
// "name": "Chilkat Support",
// "address": "chilkat.support@gmail.com"
// }
// }
// },
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAB63d8O\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAHrLra8AAAA=",
// "subject": "The latest for you in Office 365",
// "from": {
// "emailAddress": {
// "name": "Microsoft Office 365",
// "address": "MicrosoftOffice365@email.office.com"
// }
// }
// },
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl7\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=",
// "subject": "Amazon SES Address Verification Request in region US West (Oregon)",
// "from": {
// "emailAddress": {
// "name": "Amazon Web Services",
// "address": "no-reply-aws@amazon.com"
// }
// }
// },
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl6\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=",
// "subject": "Amazon SES Address Verification Request in region US West (Oregon)",
// "from": {
// "emailAddress": {
// "name": "Amazon Web Services",
// "address": "no-reply-aws@amazon.com"
// }
// }
// },
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAAGt5YG\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAAG6l8UAAAA=",
// "subject": "Updates to our terms of use and privacy statement",
// "from": {
// "emailAddress": {
// "name": "Microsoft",
// "address": "msa@communication.microsoft.com"
// }
// }
// }
// ]
// }