Merge pull request #274 from mwarzybok-sumoheavy/feature/SP-874

SP-874 Support "errors" array

Author: bobbrodie

src/main/java/com/bitpay/sdk/client/ResponseParser.java

@@ -41,6 +41,23 @@ public static String getJsonDataFromJsonResponse(final String jsonResponse) thro
                     );
                 }
 
+                node = rootNode.get("errors");
+                if (node != null) {
+                    String message = "";
+
+                    if (node.isArray()) {
+                        for (final JsonNode errorNode : node) {
+                            message += "\n" + errorNode.asText();
+                        }
+
+                        BitPayExceptionProvider.throwApiExceptionWithMessage(
+                            rootNode.get("message").textValue(),
+                            getCode(rootNode)
+                        );
+                    }
+                }
+
+
                 if ("success".equals(status)) {
                     node = rootNode.get("data");
 
@@ -50,7 +67,7 @@ public static String getJsonDataFromJsonResponse(final String jsonResponse) thro
                 }
             }
 
-            handleError(rootNode);
+            handleErrors(rootNode);
 
             node = rootNode.get("data");
             if (node != null) {
@@ -65,6 +82,43 @@ public static String getJsonDataFromJsonResponse(final String jsonResponse) thro
         return jsonString;
     }
 
+    private static void handleErrors(JsonNode rootNode) throws BitPayApiException {
+
+        handleError(rootNode);
+
+        JsonNode errors = rootNode.get("errors");
+        if (errors == null) {
+            return;
+        }
+
+        StringBuilder finalMessage = new StringBuilder();
+
+        for (JsonNode errorNode : errors) {
+            String errorValue = errorNode.has("error") ? errorNode.get("error").textValue() : "";
+            String paramValue = errorNode.has("param") ? errorNode.get("param").textValue() : "";
+
+            if (errorValue != null && errorValue.endsWith(".")) {
+                errorValue = errorValue.substring(0, errorValue.length() - 1);
+            }
+
+            String message;
+            message = errorValue + " " + paramValue;
+            message = message.trim();
+
+            if (!message.endsWith(".")) {
+                message += ".";
+            }
+
+            if (!finalMessage.toString().equals("")) {
+                message = " " + message;
+            }
+
+            finalMessage.append(message);
+        }
+
+        BitPayExceptionProvider.throwApiExceptionWithMessage(finalMessage.toString(), getCode(rootNode));
+    }
+
     private static void handleError(JsonNode rootNode) throws BitPayApiException {
         if (!rootNode.has("error")) {
             return;

src/test/java/com/bitpay/sdk/client/ResponseParserTest.java

@@ -72,7 +72,7 @@ public void it_should_throws_bitpay_api_exception_for_response_with_errors() {
             BitPayApiException.class,
             () -> {
                 // given
-                final String responseContent = "{\"code\":\"500\",\"status\":\"error\",\"data\":{},\"message\":\"Error message text\"}";
+                final String responseContent = "{\"errors\":[{\"error\":\"Missing required parameter.\",\"param\":\"price\"},{\"error\":\"Missing required parameter.\",\"param\":\"currency\"}]}";
 
                 // when
                 String result = ResponseParser.getJsonDataFromJsonResponse(responseContent);
@@ -81,6 +81,6 @@ public void it_should_throws_bitpay_api_exception_for_response_with_errors() {
                 Assertions.assertEquals(responseContent, result);
             }
         );
-        Assertions.assertEquals("Error message text", exception.getMessage());
+        Assertions.assertEquals("Missing required parameter price. Missing required parameter currency.", exception.getMessage());
     }
 }