(Objective-C) Retrieve a Particular SharePoint List as JSON

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Downloads a particular SharePoint list and parses the JSON.

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#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// -------------------------------------------------------------------------
// The following comments apply to SharePoint Windows classic authentication.
// -------------------------------------------------------------------------
// For example, imagine our SharePoint endpoint is https://xyzoffice.mycompany.com/
// The SHAREPOINT_NTLM_DOMAIN would be "mycompany.com"
// The SHAREPOINT_HTTPS_DOMAIN would be "xyzoffice.mycompany.com"
// Also, the SHAREPOINT_USERNAME would be just the name, not a full email address.
// for example, "chilkat" instead of "chilkat@mycompany.com"

CkoHttp *http = [[CkoHttp alloc] init];

// If SharePoint Windows classic authentication is used, then set the 
// Login, Password, LoginDomain, and NtlmAuth properties.
http.Login = @"SHAREPOINT_USERNAME";
http.Password = @"SHAREPOINT_PASSWORD";
http.LoginDomain = @"SHAREPOINT_NTLM_DOMAIN";
http.NtlmAuth = YES;

// -------------------------------------------------------------------------
// The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
// If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
// establish the cookie as shown at SharePoint Online Authentication
// -------------------------------------------------------------------------

// Indicate that we want a JSON reply
http.Accept = @"application/json;odata=verbose";
http.AcceptCharset = @"utf-8";

// The contents of a SharePoint list can be downloaded by it's URI,
// which has the following URL format:
// https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/items
// 
// To get the URI's for all SharePoint lists, 
// See Get SharePoint Lists.

// Download the list like this (where the SHAREPOINT_DOCUMENTS_GUID is replaced with the actual GUID)
CkoStringBuilder *sbJson = [[CkoStringBuilder alloc] init];
BOOL success = [http QuickGetSb: @"https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/Lists(guid'SHAREPOINT_DOCUMENTS_GUID')/items" sbContent: sbJson];
if (success != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json LoadSb: sbJson];
json.EmitCompact = NO;

// Iterate over the items in this list.
int numItems = [[json SizeOfArray: @"d.results"] intValue];
NSLog(@"%@%d",@"Number of Items in this SharePoint List = ",numItems);

int i = 0;
while (i < numItems) {
    json.I = [NSNumber numberWithInt: i];

    NSString *title = [json StringOf: @"d.results[i].Title"];
    NSString *uri = [json StringOf: @"d.results[i].__metadata.uri"];

    NSLog(@"%d%@%@",i + 1,@": ",title);
    // This is the URI for the Nth item in this list
    NSLog(@"%@%@",@"URI: ",uri);

    i = i + 1;
}

// My output when testing is like what is shown below.

// I found that not every item has a Title,  but as viewed in a browser, I can see each of the item's name.
// (The number of items agrees with what I can interactively see in a browser.) The mystery of what
// is being shown for the name (or title) in the browser will be investigated further as Chilkat
// continues to explore the SharePoint API...

// 	Number of Items in this SharePoint List = 13
// 	1: Domain Name created for Exchange Docx
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(3)
// 	2: null
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(4)
// 	3: VCAC_RA_Design.docx
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(5)
// 	4: null
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(9)
// 	5: null
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(10)
// 	6: Architecture Briefv1
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(16)
// 	7: PowerPoint Presentation
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(17)
// 	8: null
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(18)
// 	9: null
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(19)
// 	10: null
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(20)
// 	11: FRC Summit Brief
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(21)
// 	12: VCAC DISA Brief 8-13-16
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(22)
// 	13: TEST PROCEDURE
// 	URI: https://xyzoffice.mycompany.com/_api/Web/Lists(guid'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx')/Items(23)
//