Unicode C
Unicode C
Upload File with User-Defined Metadata
See more Amazon S3 Examples
Demonstrates how to upload a file with user-defined metadata to the Amazon S3 service.Chilkat Unicode C Downloads
#include <C_CkHttpW.h>
void ChilkatSample(void)
{
BOOL success;
HCkHttpW http;
const wchar_t *bucketName;
const wchar_t *objectName;
const wchar_t *localFilePath;
const wchar_t *contentType;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http = CkHttpW_Create();
// Insert your AWS keys here:
CkHttpW_putAwsAccessKey(http,L"AWS_ACCESS_KEY");
CkHttpW_putAwsSecretKey(http,L"AWS_SECRET_KEY");
bucketName = L"chilkat.ocean";
objectName = L"seahorse.jpg";
localFilePath = L"qa_data/jpg/seahorse.jpg";
contentType = L"image/jpg";
// User-defined metadata are name/value pairs, and are added to the HTTP request header.
// Header names must begin with "x-amz-meta-" to distinguish them from other HTTP headers.
// Note that Amazon S3 stores user-defined metadata keys in lowercase.
// For example, to add genus=Hippocampus, we do this:
CkHttpW_SetRequestHeader(http,L"x-amz-meta-genus",L"Hippocampus");
// Add a few more user-metadata key pairs.
CkHttpW_SetRequestHeader(http,L"x-amz-meta-species",L"big-belly seahorse");
CkHttpW_SetRequestHeader(http,L"x-amz-meta-habitat",L"shallow tropical and temperate waters");
success = CkHttpW_S3_UploadFile(http,localFilePath,contentType,bucketName,objectName);
if (success != TRUE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
}
else {
wprintf(L"File uploaded.\n");
}
CkHttpW_Dispose(http);
}