Fixes #8219. Introduces the mimeType option to override content-type header in conver...

diff --git a/src/ajax.js b/src/ajax.js
index 15ad6a8..5a6ac26 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -426,6 +426,14 @@ jQuery.extend({
                                        return match || null;
                                },
 
+                               // Overrides response content-type header
+                               overrideMimeType: function( type ) {
+                                       if ( state === 0 ) {
+                                               s.mimeType = type;
+                                       }
+                                       return this;
+                               },
+
                                // Cancel the request
                                abort: function( statusText ) {
                                        statusText = statusText || "abort";
@@ -827,7 +835,7 @@ function ajaxHandleResponses( s, jqXHR, responses ) {
        while( dataTypes[ 0 ] === "*" ) {
                dataTypes.shift();
                if ( ct === undefined ) {
-                       ct = jqXHR.getResponseHeader( "content-type" );
+                       ct = s.mimeType || jqXHR.getResponseHeader( "content-type" );
                }
        }
 

diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js
index 1f136c3..fcea52c 100644 (file)
--- a/src/ajax/xhr.js
+++ b/src/ajax/xhr.js
@@ -87,6 +87,11 @@ if ( jQuery.support.ajax ) {
                                                }
                                        }
 
+                                       // Override mime type if needed
+                                       if ( s.mimeType && xhr.overrideMimeType ) {
+                                               xhr.overrideMimeType( s.mimeType );
+                                       }
+
                                        // Requested-With header
                                        // Not set for crossDomain requests with no content
                                        // (see why at http://trac.dojotoolkit.org/ticket/9486)

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index 59159c3..74c6545 100644 (file)
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -2169,6 +2169,34 @@ test("jQuery.ajax - transitive conversions", function() {
 
 });
 
+test("jQuery.ajax - overrideMimeType", function() {
+
+       expect( 2 );
+
+       stop();
+
+       jQuery.when(
+
+               jQuery.ajax( url("data/json.php") , {
+                       beforeSend: function( xhr ) {
+                               xhr.overrideMimeType( "application/json" );
+                       },
+                       success: function( json ) {
+                               ok( json.data , "Mimetype overriden using beforeSend" );
+                       }
+               }),
+
+               jQuery.ajax( url("data/json.php") , {
+                       mimeType: "application/json",
+                       success: function( json ) {
+                               ok( json.data , "Mimetype overriden using mimeType option" );
+                       }
+               })
+
+       ).then( start , start );
+
+});
+
 test("jQuery.ajax - abort in prefilter", function() {
 
        expect( 1 );