Handle OkHttp read binary result

src/example/java/io/github/sashirestela/cleverclient/example/FileDownloadExample.java

@@ -3,6 +3,7 @@
 import io.github.sashirestela.cleverclient.CleverClient;
 import io.github.sashirestela.cleverclient.annotation.GET;
 import io.github.sashirestela.cleverclient.annotation.Path;
+import io.github.sashirestela.cleverclient.annotation.Resource;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -20,21 +21,22 @@ public FileDownloadExample() {
 
     public void run() throws IOException {
         var cleverClient = CleverClient.builder()
-                .baseUrl("https://via.placeholder.com")
+                .baseUrl("https://en.wikipedia.org")
                 .clientAdapter(clientAdapter)
                 .build();
 
         var imageService = cleverClient.create(ImageService.class);
-        var binaryData = imageService.getImage("92c952");
+        var binaryData = imageService.getImage("wikipedia.png");
         var file = new FileOutputStream("src/test/resources/download.png");
         file.write(binaryData.readAllBytes());
         file.close();
     }
 
+    @Resource("/static/images/icons")
     static interface ImageService {
 
-        @GET("/150/{id}")
-        InputStream getImage(@Path("id") String id);
+        @GET("/{name}")
+        InputStream getImage(@Path("name") String name);
 
     }
 

src/main/java/io/github/sashirestela/cleverclient/client/OkHttpClientAdapter.java

@@ -59,7 +59,7 @@ protected Object send(RequestData request) {
         try {
             var response = okHttpClient.newCall(okHttpRequest).execute();
             logger.debug(RESPONSE_CODE_FORMAT, response.code());
-            if (returnType.isStream()) {
+            if (returnType.isStream() || returnType.isInputStream()) {
                 var responseContent = getResponseContent(response.body(), returnType);
                 var originalResponseData = convertToResponseData(response, responseContent);
                 throwExceptionIfErrorIsPresent(originalResponseData);
@@ -96,7 +96,7 @@ public void onFailure(Call call, IOException e) {
             @Override
             public void onResponse(Call call, Response response) throws IOException {
                 logger.debug(RESPONSE_CODE_FORMAT, response.code());
-                if (returnType.isStream()) {
+                if (returnType.isStream() || returnType.isInputStream()) {
                     try {
                         var responseContent = getResponseContent(response.body(), returnType);
                         var originalResponseData = convertToResponseData(response, responseContent);
@@ -262,7 +262,7 @@ public FunctionsByCategory(BiFunction<Object, ReturnType, Object> responseConver
     private void fillFunctionsByCategory() {
         this.functionsByCategoryMap = new EnumMap<>(Category.class);
         functionsByCategoryMap.put(Category.SYNC_BINARY, new FunctionsByCategory(
-                (r, t) -> r));
+                (r, t) -> ((ResponseData) r).getBody()));
         functionsByCategoryMap.put(Category.SYNC_PLAIN_TEXT, new FunctionsByCategory(
                 (r, t) -> r));
         functionsByCategoryMap.put(Category.SYNC_CUSTOM, new FunctionsByCategory(
@@ -276,7 +276,7 @@ private void fillFunctionsByCategory() {
         functionsByCategoryMap.put(Category.SYNC_STREAM_EVENT, new FunctionsByCategory(
                 (r, t) -> convertToStreamOfEvents((ResponseData) r, t)));
         functionsByCategoryMap.put(Category.ASYNC_BINARY, new FunctionsByCategory(
-                (r, t) -> r));
+                (r, t) -> ((ResponseData) r).getBody()));
         functionsByCategoryMap.put(Category.ASYNC_PLAIN_TEXT, new FunctionsByCategory(
                 (r, t) -> r));
         functionsByCategoryMap.put(Category.ASYNC_CUSTOM, new FunctionsByCategory(