issue#2543: added api_client to set content-type and accept for http request

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/GoClientCodegen.java

@@ -134,6 +134,7 @@ public class GoClientCodegen extends DefaultCodegen implements CodegenConfig {
         supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
         supportingFiles.add(new SupportingFile("gitignore.mustache", "", ".gitignore"));
         supportingFiles.add(new SupportingFile("configuration.mustache", packageName, "configuration.go"));
+        supportingFiles.add(new SupportingFile("api_client.mustache", packageName, "api_client.go"));
     }
 
     @Override

modules/swagger-codegen/src/main/resources/go/api.mustache

@@ -86,11 +86,29 @@ func (a {{classname}}) {{nickname}} ({{#allParams}}{{paramName}} {{{dataType}}}{
 }
     _sling = _sling.QueryStruct(&QueryParams{ {{#queryParams}}{{vendorExtensions.x-exportParamName}}: {{paramName}}{{#hasMore}},{{/hasMore}}{{/queryParams}} })
 {{/hasQueryParams}}
-    // accept header
-    accepts := []string { {{#produces}}"{{mediaType}}"{{#hasMore}}, {{/hasMore}}{{/produces}} }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+        {{#consumes}}
+        "{{mediaType}}", 
+        {{/consumes}}
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        {{#produces}}
+        "{{mediaType}}", 
+        {{/produces}}
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 {{#hasHeaderParams}}{{#headerParams}}    // header params "{{baseName}}"
     _sling = _sling.Set("{{baseName}}", {{paramName}})

modules/swagger-codegen/src/main/resources/go/api_client.mustache

@@ -0,0 +1,41 @@
+package {{packageName}}
+
+import (
+    "strings"
+)
+
+type ApiClient struct {
+
+}
+
+func (c *ApiClient) SelectHeaderContentType(contentTypes []string) string {
+    if (len(contentTypes) == 0){
+        return ""
+    }
+    if contains(contentTypes,"application/json") {
+        return "application/json"
+    }
+
+    return contentTypes[0] // use the first content type specified in 'consumes'
+}
+
+func (c *ApiClient) SelectHeaderAccept(accepts []string) string {
+    if (len(accepts) == 0){        
+        return ""
+    }
+
+    if contains(accepts,"application/json"){        
+        return "application/json"
+    }
+
+    return strings.Join(accepts,",")
+}
+
+func contains(source []string, containvalue string) bool {
+    for _, a := range source {
+        if strings.ToLower(a) == strings.ToLower(containvalue) {
+            return true
+        }
+    }
+    return false
+}

modules/swagger-codegen/src/main/resources/go/configuration.mustache

@@ -19,6 +19,7 @@ type Configuration struct {
     AccessToken string `json:"accessToken,omitempty"`
     DefaultHeader map[string]string `json:"defaultHeader,omitempty"`
     UserAgent string `json:"userAgent,omitempty"`
+    ApiClient ApiClient `json:"apiClient,omitempty"`
 }
 
 func NewConfiguration() *Configuration {

samples/client/petstore/go/swagger/api_client.go

@@ -0,0 +1,41 @@
+package swagger
+
+import (
+    "strings"
+)
+
+type ApiClient struct {
+
+}
+
+func (c *ApiClient) SelectHeaderContentType(contentTypes []string) string {
+    if (len(contentTypes) == 0){
+        return ""
+    }
+    if contains(contentTypes,"application/json") {
+        return "application/json"
+    }
+
+    return contentTypes[0] // use the first content type specified in 'consumes'
+}
+
+func (c *ApiClient) SelectHeaderAccept(accepts []string) string {
+    if (len(accepts) == 0){        
+        return ""
+    }
+
+    if contains(accepts,"application/json"){        
+        return "application/json"
+    }
+
+    return strings.Join(accepts,",")
+}
+
+func contains(source []string, containvalue string) bool {
+    for _, a := range source {
+        if strings.ToLower(a) == strings.ToLower(containvalue) {
+            return true
+        }
+    }
+    return false
+}

samples/client/petstore/go/swagger/configuration.go

@@ -19,6 +19,7 @@ type Configuration struct {
     AccessToken string `json:"accessToken,omitempty"`
     DefaultHeader map[string]string `json:"defaultHeader,omitempty"`
     UserAgent string `json:"userAgent,omitempty"`
+    ApiClient ApiClient `json:"apiClient,omitempty"`
 }
 
 func NewConfiguration() *Configuration {

samples/client/petstore/go/swagger/pet_api.go

@@ -56,11 +56,27 @@ func (a PetApi) AddPet (body Pet) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+        "application/json", 
+        "application/xml", 
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params
@@ -129,11 +145,25 @@ func (a PetApi) DeletePet (petId int64, apiKey string) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
     // header params "api_key"
     _sling = _sling.Set("api_key", apiKey)
@@ -204,11 +234,25 @@ func (a PetApi) FindPetsByStatus (status []string) ([]Pet, error) {
         Status    []string `url:"status,omitempty"`
 }
     _sling = _sling.QueryStruct(&QueryParams{ Status: status })
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -277,11 +321,25 @@ func (a PetApi) FindPetsByTags (tags []string) ([]Pet, error) {
         Tags    []string `url:"tags,omitempty"`
 }
     _sling = _sling.QueryStruct(&QueryParams{ Tags: tags })
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -346,11 +404,25 @@ func (a PetApi) GetPetById (petId int64) (Pet, error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -415,11 +487,27 @@ func (a PetApi) UpdatePet (body Pet) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+        "application/json", 
+        "application/xml", 
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params
@@ -489,11 +577,26 @@ func (a PetApi) UpdatePetWithForm (petId int64, name string, status string) (err
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+        "application/x-www-form-urlencoded", 
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
     type FormParams struct {
@@ -566,11 +669,25 @@ func (a PetApi) UploadFile (petId int64, additionalMetadata string, file *os.Fil
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+        "multipart/form-data", 
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
     type FormParams struct {

samples/client/petstore/go/swagger/store_api.go

@@ -50,11 +50,25 @@ func (a StoreApi) DeleteOrder (orderId string) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -117,11 +131,24 @@ func (a StoreApi) GetInventory () (map[string]int32, error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -181,11 +208,25 @@ func (a StoreApi) GetOrderById (orderId int64) (Order, error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -244,11 +285,25 @@ func (a StoreApi) PlaceOrder (body Order) (Order, error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params

samples/client/petstore/go/swagger/user_api.go

@@ -49,11 +49,25 @@ func (a UserApi) CreateUser (body User) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params
@@ -114,11 +128,25 @@ func (a UserApi) CreateUsersWithArrayInput (body []User) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params
@@ -179,11 +207,25 @@ func (a UserApi) CreateUsersWithListInput (body []User) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params
@@ -245,11 +287,25 @@ func (a UserApi) DeleteUser (username string) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -309,11 +365,25 @@ func (a UserApi) GetUserByName (username string) (User, error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -378,11 +448,25 @@ func (a UserApi) LoginUser (username string, password string) (string, error) {
 Password    string `url:"password,omitempty"`
 }
     _sling = _sling.QueryStruct(&QueryParams{ Username: username,Password: password })
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -440,11 +524,25 @@ func (a UserApi) LogoutUser () (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 
@@ -505,11 +603,25 @@ func (a UserApi) UpdateUser (username string, body User) (error) {
       _sling = _sling.Set(key, a.Configuration.DefaultHeader[key])
     }
     
-    // accept header
-    accepts := []string { "application/xml", "application/json" }
-    for key := range accepts {
-        _sling = _sling.Set("Accept", accepts[key])
-        break // only use the first Accept
+
+    // to determine the Content-Type header
+    localVarHttpContentTypes := []string {
+    }
+    //set Content-Type header
+    localVarHttpContentType := a.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes)
+    if localVarHttpContentType != "" {    
+      _sling = _sling.Set("Content-Type", localVarHttpContentType)
+    }
+
+    // to determine the Accept header
+    localVarHttpHeaderAccepts := []string {
+        "application/xml", 
+        "application/json", 
+    }
+    //set Accept header
+    localVarHttpHeaderAccept := a.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts)
+    if localVarHttpHeaderAccept != "" {  
+        _sling = _sling.Set("Accept", localVarHttpHeaderAccept)
     }
 
 // body params