(C++) Amazon Glacier List Tags for Vault

Lists all the tags attached to a vault. The operation returns an empty map if there are no tags.

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#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest;

    // Connect to the Amazon AWS REST server in the desired region.
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    bool success = rest.Connect("glacier.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials.
    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("glacier");
    authAws.put_Region("us-west-2");

    success = rest.SetAuthAws(authAws);

    // --------------------------------------------------------------------------
    // Note: The above REST connection and setup of the AWS credentials
    // can be done once.  After connecting, any number of REST calls can be made.
    // The "auto reconnect" property passed to rest.Connect indicates that if
    // the connection is lost, a REST method call will automatically reconnect
    // if needed.
    // --------------------------------------------------------------------------

    // 
    // For more information, see Glacier List Tags for Vault Reference Documentation
    // 
    rest.AddHeader("x-amz-glacier-version","2012-06-01");

    // Get the tags for the "chilkat" vault.
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestNoBodySb("GET","/AWS_ACCOUNT_ID/vaults/chilkat/tags",sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        std::cout << "Response Status Code = " << respStatusCode << "\r\n";
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << "Response Body:" << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        return;
    }

    // Success is indicated by a 200 response status with an empty response body.
    std::cout << "response status code = " << respStatusCode << "\r\n";

    CkJsonObject json;
    json.LoadSb(sbResponseBody);
    json.put_EmitCompact(false);

    std::cout << json.emit() << "\r\n";
    std::cout << "----" << "\r\n";

    CkJsonObject *jTags = json.ObjectOf("Tags");
    int numTags = jTags->get_Size();
    int i = 0;
    while (i < numTags) {
        std::cout << jTags->nameAt(i) << ": " << jTags->stringAt(i) << "\r\n";
        i = i + 1;
    }

    delete jTags;

    // Sample response
    // 
    // {
    //   "Tags": {
    //     "tagName1": "tagValue1",
    //     "tagName2": "tagValue2"
    //   }
    // }
    }