Bug 8769 YangTextTemplate throw exception during yang binding Code Generator

Change-Id: Ibbf5cfd60f3110cf7298dcf5a31720672b6ca296
Signed-off-by: Geng Xingyuan <geng.xingyuan@zte.com.cn>

diff --git a/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/YangTextTemplate.java b/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/YangTextTemplate.java
index 2b1508b86a2b2260d4668bea9f9e1d05042e9f24..58b90e93c130ba203fbd3a05500c582682d18a70 100644 (file)
--- a/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/YangTextTemplate.java
+++ b/binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/YangTextTemplate.java
@@ -70,7 +70,7 @@ final class YangTextTemplate {
                 }
 
                 // Trim leading whitespace
-                while (lineBuilder.charAt(0) == ' ') {
+                while (lineBuilder.length() > 0 && lineBuilder.charAt(0) == ' ') {
                     lineBuilder.deleteCharAt(0);
                 }