new exception type addition (#54)

Author: cb-alish

src/main/java/com/chargebee/exceptions/UbbBatchIngestionInvalidRequestException.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2011 chargebee.com
+ * All Rights Reserved.
+ */
+
+package com.chargebee.exceptions;
+
+import com.chargebee.APIException;
+import org.json.*;
+import java.util.List;
+import java.util.Map;
+
+
+public class UbbBatchIngestionInvalidRequestException extends APIException{ 
+    public final String batchId;
+    public final JSONArray failedEvents;
+    public UbbBatchIngestionInvalidRequestException(int httpStatusCode, String message, JSONObject jsonObj, Map<String, List<String>> headers) {
+        super(httpStatusCode, message, jsonObj);
+        this.batchId=jsonObj.optString("batch_id");
+        this.failedEvents=jsonObj.optJSONArray("failed_events");
+    }
+}

src/main/java/com/chargebee/internal/HttpUtil.java

@@ -213,6 +213,7 @@ private static void logRetry(int attempt, int statusCode, int delayMs, boolean e
 
     private static Resp sendRequest(HttpURLConnection conn) throws IOException {
         int httpRespCode = conn.getResponseCode();
+        final String UBB_BATCH_INGESTION_INVALID_REQUEST = "ubb_batch_ingestion_invalid_request";
         Map<String, List<String>> responseHeaders = conn.getHeaderFields();
         if (httpRespCode == HttpURLConnection.HTTP_NO_CONTENT) {
             throw new RuntimeException("Got http_no_content response");
@@ -225,7 +226,10 @@ private static Resp sendRequest(HttpURLConnection conn) throws IOException {
                 jsonResp.getString("api_error_code");
                 String type = jsonResp.optString("type");
                 String exceptionMessage = jsonResp.getString("message");
-                if (isBatchApi(conn)) {
+                if (UBB_BATCH_INGESTION_INVALID_REQUEST.equals(type)) {
+                    throw new UbbBatchIngestionInvalidRequestException(httpRespCode, exceptionMessage, jsonResp, responseHeaders);
+                } 
+                else if (isBatchApi(conn)) {
                     throw new BatchAPIException(httpRespCode, exceptionMessage, jsonResp, responseHeaders);
                 } else if ("payment".equals(type)) {
                     throw new PaymentException(httpRespCode, exceptionMessage, jsonResp, responseHeaders);