feat(http): support proxy through connection options (#164)

Author: kevinlin09

samples/MultiModalConversationQwenVL.java

@@ -64,9 +64,9 @@ public static void imageSample() throws ApiException, NoApiKeyException, UploadF
         List<MultiModalConversationMessage> messages = Arrays.asList(systemMessage, userMessage);
         MultiModalConversationParam param = MultiModalConversationParam.builder()
                 .messages(messages)
-                .model("qvq-max").build(); //qwen3-vl-plus
+                .model("qwen3-vl-plus").build(); //qwen3-vl-plus
         Flowable<MultiModalConversationResult> flowable = conversation.streamCall(param);
-        flowable.forEach(result -> {
+        flowable.blockingForEach(result -> {
             System.out.println(JsonUtils.toJson(result));
         });
     }
@@ -155,8 +155,8 @@ public static void streamCallWithToolCalls()
 
     public static void main(String[] args) {
         try {
-//            imageSample();
-            videoSample();
+            imageSample();
+//            videoSample();
 //            streamCallWithToolCalls();
         } catch (ApiException | NoApiKeyException | UploadFileException e) {
             System.out.println(e.getMessage());

src/main/java/com/alibaba/dashscope/protocol/okhttp/OkHttpClientFactory.java

@@ -75,11 +75,22 @@ public static OkHttpClient getOkHttpClient() {
   }
 
   public static OkHttpClient getNewOkHttpClient(ConnectionOptions connectionOptions) {
-    return Holder.INSTANCE
+    Builder builder = Holder.INSTANCE
         .newBuilder()
         .connectTimeout(connectionOptions.getConnectTimeout())
         .readTimeout(connectionOptions.getReadTimeout())
-        .writeTimeout(connectionOptions.getWriteTimeout())
-        .build();
+        .writeTimeout(connectionOptions.getWriteTimeout());
+
+    // Configure proxy if available
+    if (connectionOptions.getProxy() != null) {
+      builder.proxy(connectionOptions.getProxy());
+    }
+
+    // Configure proxy authenticator if available
+    if (connectionOptions.getProxyAuthenticator() != null) {
+      builder.proxyAuthenticator(connectionOptions.getProxyAuthenticator());
+    }
+
+    return builder.build();
   }
 }