Add operationName condition

jangculun · bbakerman · commit 5b3a0d4c66e8 · 2017-11-29T09:07:44.000+11:00
if operationName is blank,  previous code generate an exception.
I add code to check blank.
diff --git a/src/main/java/graphql/language/NodeUtil.java b/src/main/java/graphql/language/NodeUtil.java
@@ -77,7 +77,7 @@ public static GetOperationResult getOperation(Document document, String operatio
         }
         OperationDefinition operation;
 
-        if (operationName == null) {
+        if (operationName == null || operationName == "") {
             operation = operationsByName.values().iterator().next();
         } else {
             operation = operationsByName.get(operationName);

Original file line number	Diff line number	Diff line change
`@@ -77,7 +77,7 @@ public static GetOperationResult getOperation(Document document, String operatio`
`77`	`77`	`}`
`78`	`78`	`OperationDefinition operation;`
`79`	`79`
`80`		`- if (operationName == null) {`
	`80`	`+ if (operationName == null \|\| operationName == "") {`
`81`	`81`	`operation = operationsByName.values().iterator().next();`
`82`	`82`	`} else {`
`83`	`83`	`operation = operationsByName.get(operationName);`