From 12176508da2819339205f508259d8bd94895d197 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sun, 5 Apr 2020 01:12:18 +0800
Subject: [PATCH] use is_empty()

---
 src/build_json.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/build_json.rs b/src/build_json.rs
index 32bfcf1..39fa613 100644
--- a/src/build_json.rs
+++ b/src/build_json.rs
@@ -60,7 +60,7 @@ pub fn create_build_json(args: &[String]) {
             builder_version = &arg.as_str()[8..];
         }
     }
-    if java_version == "" || builder == "" || builder_version == "" {
+    if java_version.is_empty() || builder.is_empty() || builder_version.is_empty() {
         print_message(MessageType::ERROR, "Args java version, builder or builder version is not assigned or format error.");
         return;
     }