From 17545e959ac3edf1bd5bca87821b72e16399e9c5 Mon Sep 17 00:00:00 2001
From: xhh <xhh@xhh.me>
Date: Tue, 13 Oct 2015 10:32:07 +0800
Subject: [PATCH] Handle enum names starting with number in Java client

---
 .../io/swagger/codegen/languages/JavaClientCodegen.java    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavaClientCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavaClientCodegen.java
index 360dc9c0f2f0..df4f07e25e6a 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavaClientCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavaClientCodegen.java
@@ -426,7 +426,12 @@ public class JavaClientCodegen extends DefaultCodegen implements CodegenConfig {
     }
 
     private String toEnumVarName(String value) {
-        return value.replaceAll("\\W+", "_").toUpperCase();
+        String var = value.replaceAll("\\W+", "_").toUpperCase();
+        if (var.matches("\\d.*")) {
+            return "_" + var;
+        } else {
+            return var;
+        }
     }
 
     private CodegenModel reconcileInlineEnums(CodegenModel codegenModel, CodegenModel parentCodegenModel) {