[Java][native][apache-httpclient] Update toUrlQueryString to support form style for object (#14478)

* update toUrlQueryString

* add new files

* minor bug fixes

* support object in query parameter - java apache httpclient

* rename variable - java native

* update samples

* fix try catch

samples/client/echo_api/java/okhttp-gson/docs/DataQuery.md

@@ -0,0 +1,15 @@
+
+
+# DataQuery
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**suffix** | **String** | test suffix |  [optional] |
+|**text** | **String** | Some text containing white spaces |  [optional] |
+|**date** | **OffsetDateTime** | A date |  [optional] |
+
+
+

samples/client/echo_api/java/okhttp-gson/docs/DataQueryAllOf.md

@@ -0,0 +1,15 @@
+
+
+# DataQueryAllOf
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**suffix** | **String** | test suffix |  [optional] |
+|**text** | **String** | Some text containing white spaces |  [optional] |
+|**date** | **OffsetDateTime** | A date |  [optional] |
+
+
+

samples/client/echo_api/java/okhttp-gson/docs/Query.md

@@ -0,0 +1,24 @@
+
+
+# Query
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**id** | **Long** | Query |  [optional] |
+|**outcomes** | [**List<OutcomesEnum>**](#List<OutcomesEnum>) |  |  [optional] |
+
+
+
+## Enum: List<OutcomesEnum>
+
+| Name | Value |
+|---- | -----|
+| SUCCESS | "SUCCESS" |
+| FAILURE | "FAILURE" |
+| SKIPPED | "SKIPPED" |
+
+
+

samples/client/echo_api/java/okhttp-gson/docs/QueryApi.md

@@ -9,6 +9,7 @@ All URIs are relative to *http://localhost:3000*
 | [**testQueryStyleDeepObjectExplodeTrueObjectAllOf**](QueryApi.md#testQueryStyleDeepObjectExplodeTrueObjectAllOf) | **GET** /query/style_deepObject/explode_true/object/allOf | Test query parameter(s) |
 | [**testQueryStyleFormExplodeTrueArrayString**](QueryApi.md#testQueryStyleFormExplodeTrueArrayString) | **GET** /query/style_form/explode_true/array_string | Test query parameter(s) |
 | [**testQueryStyleFormExplodeTrueObject**](QueryApi.md#testQueryStyleFormExplodeTrueObject) | **GET** /query/style_form/explode_true/object | Test query parameter(s) |
+| [**testQueryStyleFormExplodeTrueObjectAllOf**](QueryApi.md#testQueryStyleFormExplodeTrueObjectAllOf) | **GET** /query/style_form/explode_true/object/allOf | Test query parameter(s) |
 
 
 <a name="testQueryIntegerBooleanString"></a>
@@ -325,3 +326,65 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | Successful operation |  -  |
 
+<a name="testQueryStyleFormExplodeTrueObjectAllOf"></a>
+# **testQueryStyleFormExplodeTrueObjectAllOf**
+> String testQueryStyleFormExplodeTrueObjectAllOf(queryObject)
+
+Test query parameter(s)
+
+Test query parameter(s)
+
+### Example
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.QueryApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://localhost:3000");
+
+    QueryApi apiInstance = new QueryApi(defaultClient);
+    DataQuery queryObject = new DataQuery(); // DataQuery | 
+    try {
+      String result = apiInstance.testQueryStyleFormExplodeTrueObjectAllOf(queryObject);
+      System.out.println(result);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling QueryApi#testQueryStyleFormExplodeTrueObjectAllOf");
+      System.err.println("Status code: " + e.getCode());
+      System.err.println("Reason: " + e.getResponseBody());
+      System.err.println("Response headers: " + e.getResponseHeaders());
+      e.printStackTrace();
+    }
+  }
+}
+```
+
+### Parameters
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+| **queryObject** | [**DataQuery**](.md)|  | [optional] |
+
+### Return type
+
+**String**
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: text/plain
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Successful operation |  -  |
+