add types for overriding responseType

Author: BL

README.md

@@ -722,8 +722,7 @@ Originally by [Bhushankumar L](mailto:bhushankumar.lilapara@gmail.com).
         'Action': 'RequestReport',
         'SellerId': 'SELLER_ID',
         'MWSAuthToken': 'MWS_AUTH_TOKEN',
-        'ReportType': '_GET_MERCHANT_LISTINGS_ALL_DATA_',
-        '__RESPONSE_TYPE__': 'XML'
+        'ReportType': '_GET_MERCHANT_LISTINGS_ALL_DATA_'
     }, function (error, response) {
         if (error) {
             console.log('error ', error);
@@ -793,13 +792,14 @@ Originally by [Bhushankumar L](mailto:bhushankumar.lilapara@gmail.com).
 
 #### Request Report XML Response
 ```
+    amazonMws.setResponseFormat('XML');
+
     amazonMws.reports.submit({
         'Version': '2009-01-01',
         'Action': 'RequestReport',
         'SellerId': 'SELLER_ID',
         'MWSAuthToken': 'MWS_AUTH_TOKEN',
-        'ReportType': '_GET_MERCHANT_LISTINGS_ALL_DATA_',
-        '__RESPONSE_TYPE__': 'XML'
+        'ReportType': '_GET_MERCHANT_LISTINGS_ALL_DATA_'
     }, function (error, response) {
         if (error) {
             console.log('error ', error);

examples/javaScript/sample/requestReportXMLResponse.js

@@ -5,14 +5,19 @@ var accessSecret = process.env.AWS_SECRET_ACCESS_KEY || 'YOUR_SECRET';
 
 var amazonMws = require('../../../lib/amazon-mws')(accessKey, accessSecret);
 
+/**
+ * This example has been written to override/set the default RESPONSE type to XML.
+ */
+
 var reportRequest = function () {
+    amazonMws.setResponseFormat('XML');
+
     amazonMws.reports.submit({
         'Version': '2009-01-01',
         'Action': 'RequestReport',
         'SellerId': 'SELLER_ID',
         'MWSAuthToken': 'MWS_AUTH_TOKEN',
-        'ReportType': '_GET_MERCHANT_LISTINGS_ALL_DATA_',
-        '__RESPONSE_TYPE__': 'XML'
+        'ReportType': '_GET_MERCHANT_LISTINGS_ALL_DATA_'
     }, function (error, response) {
         if (error) {
             console.log('error ', error);

index.d.ts

@@ -65,7 +65,7 @@ declare class Sellers extends BaseAmazonMWS {
 declare class Subscriptions extends BaseAmazonMWS {
 
     create(params: any): Promise<any>;
-    
+
     searchFor(params: any): Promise<any>;
 
     remove(params: any): Promise<any>;
@@ -82,6 +82,8 @@ declare class AmazonMWS {
 
     setHost(host?: string, port?: string, protocol?: string): void;
 
+    setResponseFormat(responseFormat: string): void;
+
     feeds: Feeds;
 
     finances: Finances;

lib/AmazonMwsResource.js

@@ -406,9 +406,8 @@ AmazonMwsResource.prototype = {
             userCharset = data.__CHARSET__;
             delete data.__CHARSET__;
         }
-        if (data.__RESPONSE_TYPE__) {
-            responseType = data.__RESPONSE_TYPE__;
-            delete data.__RESPONSE_TYPE__;
+        if (self._AmazonMws.getApiField('format') !== 'JSON') {
+            responseType = self._AmazonMws.getApiField('format');
         }
         self.requestParams = data;
 

lib/amazon-mws.js

@@ -4,7 +4,7 @@
 AmazonMws.DEFAULT_HOST = 'mws.amazonservices.com';
 AmazonMws.DEFAULT_PORT = '443';
 AmazonMws.DEFAULT_BASE_PATH = '/';
-AmazonMws.DEFAULT_RESPONSE_FORMAT = '.json';
+AmazonMws.DEFAULT_RESPONSE_FORMAT = 'JSON';
 AmazonMws.DEFAULT_API_VERSION = null;
 
 // Use node's default timeout:
@@ -72,7 +72,7 @@ function AmazonMws(accessKey, accessSecret, version) {
     this._prepResources();
     this.setApiKey(accessKey, accessSecret);
     this.setApiVersion(version);
-    this.setResponseFormat(AmazonMws.DEFAULT_RESPONSE_FORMAT);
+    // this.setResponseFormat(AmazonMws.DEFAULT_RESPONSE_FORMAT);
 }
 
 AmazonMws.prototype = {