Fix sending with attachment API through Json Serializer

Author: mimiiix

pom.xml

@@ -126,7 +126,7 @@
                         <configuration>
                             <sources>
                                 <source>
-                                src/main/java</source>
+                                    src/main/java</source>
                             </sources>
                         </configuration>
                     </execution>
@@ -139,7 +139,7 @@
                         <configuration>
                             <sources>
                                 <source>
-                                src/test/java</source>
+                                    src/test/java</source>
                             </sources>
                         </configuration>
                     </execution>
@@ -209,6 +209,11 @@
             <artifactId>okhttp</artifactId>
             <version>${okhttp-version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.squareup.okio</groupId>
+            <artifactId>okio</artifactId>
+            <version>${okio-version}</version>
+        </dependency>
         <dependency>
             <groupId>com.squareup.okhttp</groupId>
             <artifactId>logging-interceptor</artifactId>
@@ -224,11 +229,11 @@
             <artifactId>gson-fire</artifactId>
             <version>${gson-fire-version}</version>
         </dependency>
-            <dependency>
-                <groupId>org.threeten</groupId>
-                <artifactId>threetenbp</artifactId>
-                <version>${threetenbp-version}</version>
-            </dependency>
+        <dependency>
+            <groupId>org.threeten</groupId>
+            <artifactId>threetenbp</artifactId>
+            <version>${threetenbp-version}</version>
+        </dependency>
         <!-- test dependencies -->
         <dependency>
             <groupId>junit</groupId>
@@ -243,14 +248,15 @@
         </dependency>
     </dependencies>
     <properties>
-        <java.version>1.7</java.version>
+        <java.version>1.8</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
-        <gson-fire-version>1.8.0</gson-fire-version>
+        <gson-fire-version>1.8.2</gson-fire-version>
         <swagger-core-version>1.5.15</swagger-core-version>
         <okhttp-version>2.7.5</okhttp-version>
-        <gson-version>2.8.1</gson-version>
-            <threetenbp-version>1.3.5</threetenbp-version>
+        <okio-version>1.14.0</okio-version>
+        <gson-version>2.8.2</gson-version>
+        <threetenbp-version>1.3.5</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.12</junit-version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

src/main/java/sendinblue/ApiClient.java

@@ -69,7 +69,7 @@ public class ApiClient {
     private KeyManager[] keyManagers;
 
     private OkHttpClient httpClient;
-    private JSON json;
+    private Json json;
 
     private HttpLoggingInterceptor loggingInterceptor;
 
@@ -82,7 +82,7 @@ public ApiClient() {
 
         verifyingSsl = true;
 
-        json = new JSON();
+        json = new Json();
 
         // Set default User-Agent.
         setUserAgent("Swagger-Codegen/1.0.0/java");
@@ -139,7 +139,7 @@ public ApiClient setHttpClient(OkHttpClient httpClient) {
      *
      * @return JSON object
      */
-    public JSON getJSON() {
+    public Json getJSON() {
         return json;
     }
 
@@ -149,7 +149,7 @@ public JSON getJSON() {
      * @param json JSON object
      * @return Api client
      */
-    public ApiClient setJSON(JSON json) {
+    public ApiClient setJSON(Json json) {
         this.json = json;
         return this;
     }