use StringUtils to check

Signed-off-by: zhichao-aws <[email protected]>
opensearch-project · Sep 25, 2023 · 791c6ca · 791c6ca
1 parent f58a073
commit 791c6ca
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/main/java/org/opensearch/neuralsearch/query/SparseEncodingQueryBuilder.java b/src/main/java/org/opensearch/neuralsearch/query/SparseEncodingQueryBuilder.java
@@ -18,6 +18,7 @@
 import lombok.experimental.Accessors;
 import lombok.extern.log4j.Log4j2;
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.lucene.document.FeatureField;
@@ -251,7 +252,7 @@ protected Query doToQuery(QueryShardContext context) throws IOException {
     }
 
     private static void validateForRewrite(String queryText, String modelId) {
-        if (null == queryText || null == modelId) {
+        if (StringUtils.isBlank(queryText) || StringUtils.isBlank(modelId)) {
             throw new IllegalArgumentException(
                 "When "
                     + QUERY_TOKENS_FIELD.getPreferredName()