Chilkat Examples

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C# UWP/WinRT Web API Examples

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(C# UWP/WinRT) MWS SubmitFeed (Amazon Marketplace Web Service)

Uploads a feed for processing by Amazon MWS.

See Amazon MWS SubmitFeed for the Amazon MWS SubmitFeed reference documentation.

Important: The Chilkat v9.5.0.75 release accidentally breaks Amazon MWS (not AWS) authentication. If you need MWS with 9.5.0.75, send email to support@chilkatsoft.com for a hotfix, or revert back to v9.5.0.73, or update to a version after 9.5.0.75.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

bool success;

// This example will send an XML file in the HTTP request body.  
// First we'll construct the XML, then we'll compute the MD5 digest which needs to be added as a query param..

// Construct the following XML.   (This is just a sample XML body..)

// <AmazonEnvelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
//     xsi:noNamespaceSchemaLocation="amzn-envelope.xsd">
//   <Header>
//     <DocumentVersion>1.01</DocumentVersion>
//     <MerchantIdentifier>M_EXAMPLE_123456</MerchantIdentifier>
//   </Header>
//   <MessageType>Product</MessageType>
//   <PurgeAndReplace>false</PurgeAndReplace>
//   <Message>
//     <MessageID>1</MessageID>
//     <OperationType>Update</OperationType>
//     <Product>
//       <SKU>56789</SKU>
//       <StandardProductID>
//         <Type>ASIN</Type>
//         <Value>B0EXAMPLEG</Value>
//       </StandardProductID>
//       <ProductTaxCode>A_GEN_NOTAX</ProductTaxCode>
//       <DescriptionData>
//         <Title>Example Product Title</Title>
//         <Brand>Example Product Brand</Brand>
//         <Description>This is an example product description.</Description>
//         <BulletPoint>Example Bullet Point 1</BulletPoint>
//         <BulletPoint>Example Bullet Point 2</BulletPoint>
//         <MSRP currency="USD">25.19</MSRP>
//         <Manufacturer>Example Product Manufacturer</Manufacturer>
//         <ItemType>example-item-type</ItemType>
//       </DescriptionData>
//       <ProductData>
//         <Health>
//           <ProductType>
//             <HealthMisc>
//               <Ingredients>Example Ingredients</Ingredients>
//               <Directions>Example Directions</Directions>
//             </HealthMisc>
//           </ProductType>
//         </Health>
//       </ProductData>
//     </Product>
//   </Message>
// </AmazonEnvelope>

// This code was generated by pasting the above XML into the online tool at http://tools.chilkat.io/xmlCreate.cshtml
Chilkat.Xml xml = new Chilkat.Xml();
xml.Tag = "AmazonEnvelope";
xml.AddAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
xml.AddAttribute("xsi:noNamespaceSchemaLocation","amzn-envelope.xsd");
xml.UpdateChildContent("Header|DocumentVersion","1.01");
xml.UpdateChildContent("Header|MerchantIdentifier","M_EXAMPLE_123456");
xml.UpdateChildContent("MessageType","Product");
xml.UpdateChildContent("PurgeAndReplace","false");
xml.UpdateChildContent("Message|MessageID","1");
xml.UpdateChildContent("Message|OperationType","Update");
xml.UpdateChildContent("Message|Product|SKU","56789");
xml.UpdateChildContent("Message|Product|StandardProductID|Type","ASIN");
xml.UpdateChildContent("Message|Product|StandardProductID|Value","B0EXAMPLEG");
xml.UpdateChildContent("Message|Product|ProductTaxCode","A_GEN_NOTAX");
xml.UpdateChildContent("Message|Product|DescriptionData|Title","Example Product Title");
xml.UpdateChildContent("Message|Product|DescriptionData|Brand","Example Product Brand");
xml.UpdateChildContent("Message|Product|DescriptionData|Description","This is an example product description.");
xml.UpdateChildContent("Message|Product|DescriptionData|BulletPoint","Example Bullet Point 1");
xml.UpdateChildContent("Message|Product|DescriptionData|BulletPoint[1]","Example Bullet Point 2");
xml.UpdateAttrAt("Message|Product|DescriptionData|MSRP",true,"currency","USD");
xml.UpdateChildContent("Message|Product|DescriptionData|MSRP","25.19");
xml.UpdateChildContent("Message|Product|DescriptionData|Manufacturer","Example Product Manufacturer");
xml.UpdateChildContent("Message|Product|DescriptionData|ItemType","example-item-type");
xml.UpdateChildContent("Message|Product|ProductData|Health|ProductType|HealthMisc|Ingredients","Example Ingredients");
xml.UpdateChildContent("Message|Product|ProductData|Health|ProductType|HealthMisc|Directions","Example Directions");

// Get the XML in the most compact form for the feed submission.
Chilkat.StringBuilder sbXml = new Chilkat.StringBuilder();
xml.EmitCompact = true;
xml.GetXmlSb(sbXml);

// Get the MD5 hash..
Chilkat.Crypt2 crypt = new Chilkat.Crypt2();
crypt.HashAlgorithm = "md5";
string contentMd5Value = crypt.HashStringENC(sbXml.GetAsString());

Chilkat.Rest rest = new Chilkat.Rest();

// Connect to the Amazon MWS REST server.
// 
// Make sure to connect to the correct Amazon MWS Endpoing, otherwise
// you'll get an HTTP 401 response code.
// 
// The possible servers are:
// 
// North America (NA) 	https://mws.amazonservices.com
// Europe (EU) 	https://mws-eu.amazonservices.com
// India (IN) 	https://mws.amazonservices.in
// China (CN) 	https://mws.amazonservices.com.cn
// Japan (JP) 	https://mws.amazonservices.jp 
// 
bool bTls = true;
int port = 443;
bool bAutoReconnect = true;
success = await rest.ConnectAsync("mws.amazonservices.com",port,bTls,bAutoReconnect);

rest.Host = "mws.amazonservices.com";

rest.AddQueryParam("AWSAccessKeyId","0PB842ExampleN4ZTR2");
rest.AddQueryParam("Action","SubmitFeed");
rest.AddQueryParam("FeedType","_POST_PRODUCT_DATA_");
rest.AddQueryParam("MWSAuthToken","amzn.mws.4ea38b7b-f563-7709-4bae-87aeaEXAMPLE");
rest.AddQueryParam("MarketplaceId.Id.1","ATVExampleDER");
rest.AddQueryParam("SellerId","A1XExample5E6");
rest.AddQueryParam("ContentMD5Value",contentMd5Value);
rest.AddQueryParam("SignatureMethod","HmacSHA256");
rest.AddQueryParam("SignatureVersion","2");
rest.AddQueryParam("Version","2009-01-01");

// Add the MWS Signature param.  (Also adds the Timestamp parameter using the curent system date/time.)
rest.AddMwsSignature("POST","/Feeds/2009-01-01","mws.amazonservices.com","MWS_SECRET_ACCESS_KEY_ID");

rest.AddHeader("Content-Type","text/xml");
string responseXml = await rest.FullRequestStringAsync("POST","/Feeds/2009-01-01",sbXml.GetAsString());
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

if (rest.ResponseStatusCode != 200) {
    // Examine the request/response to see what happened.
    Debug.WriteLine("response status code = " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("response status text = " + rest.ResponseStatusText);
    Debug.WriteLine("response header: " + rest.ResponseHeader);
    Debug.WriteLine("response body: " + responseXml);
    Debug.WriteLine("---");
    Debug.WriteLine("LastRequestStartLine: " + rest.LastRequestStartLine);
    Debug.WriteLine("LastRequestHeader: " + rest.LastRequestHeader);
}

// Examine the XML returned in the response body.
Debug.WriteLine(responseXml);
Debug.WriteLine("----");
Debug.WriteLine("Success.");

 

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