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(Objective-C) Xero Get File Content (Files API)

Demonstrates how to download the content of a Xero file.

Note: This example requires Chilkat v9.5.0.64 or greater.

Chilkat Objective-C Library Downloads

MAC OS X (Cocoa) Libs

iOS Libs

#import <CkoRest.h>
#import <NSString.h>
#import <CkoStringBuilder.h>
#import <CkoBinData.h>

// Note: Requires Chilkat v9.5.0.64 or greater.

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

CkoRest *rest = [[CkoRest alloc] init];
BOOL success;

// Before sending REST API calls, the REST object needs to be
// initialized for OAuth1.
// See Xero 2-Legged OAuth1 Setup for sample code.

// Assuming the REST object's OAuth1 authenticator is setup, and the initial
// connection was made, we may now send REST HTTP requests..

// ------------------------------------------------------------------------------
NSString *fileID = @"f042e9a3-a31d-4595-b8b3-6030ea6084bb";

CkoStringBuilder *sbPath = [[CkoStringBuilder alloc] init];
[sbPath Append: @"/files.xro/1.0/Files/{FileId}/Content"];
int numReplaced = [[sbPath Replace: @"{FileId}" replacement: fileID] intValue];

CkoBinData *jpgData = [[CkoBinData alloc] init];
success = [rest FullRequestNoBodyBd: @"GET" uriPath: [sbPath GetAsString] binData: jpgData];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// A 200 response is expected for actual success.
// If we don't get a 200 response, then the response body was not actually
// the file data, but it was text containing error information.
if ([rest.ResponseStatusCode intValue] != 200) {
    CkoStringBuilder *sbErrorText = [[CkoStringBuilder alloc] init];
    [sbErrorText AppendBd: jpgData charset: @"utf-8" offset: [NSNumber numberWithInt: 0] numBytes: [NSNumber numberWithInt: 0]];
    NSLog(@"%@",[sbErrorText GetAsString]);
    NSLog(@"%@",@"-- Failed.");
    return;
}

// Save to a local file.
success = [jpgData WriteFile: @"qa_output/xero_penguins.jpg"];
if (success != YES) {
    NSLog(@"%@",@"Failed to save to local file.");
}

NSLog(@"%@",@"Xero Get File was Successful.");
 

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