fix issue #2997 throws NullPointerException

alibaba · Oct 7, 2024 · 3ea0abc · 3ea0abc
1 parent e9e4c80
commit 3ea0abc
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diff --git a/fastjson1-compatible/src/main/java/com/alibaba/fastjson/JSONPath.java b/fastjson1-compatible/src/main/java/com/alibaba/fastjson/JSONPath.java
@@ -106,6 +106,9 @@ public static boolean remove(Object root, String path) {
  }
 
  public static boolean contains(Object rootObject, String path) {
+ if (rootObject == null) {
+ return false;
+ }
  com.alibaba.fastjson2.JSONPath jsonPath = com.alibaba.fastjson2.JSONPath.of(path);
  return jsonPath.contains(rootObject);
  }

diff --git a/fastjson1-compatible/src/test/java/com/alibaba/fastjson/v2issues/Issue2997.java b/fastjson1-compatible/src/test/java/com/alibaba/fastjson/v2issues/Issue2997.java
@@ -0,0 +1,13 @@
+package com.alibaba.fastjson.v2issues;
+
+import com.alibaba.fastjson.JSONPath;
+import org.junit.jupiter.api.Test;
+
+public class Issue2997 {
+ @Test
+ public void testContainsNullRootObject() {
+ Object rootObject = null;
+ String path = "$.key";
+ JSONPath.contains(rootObject, path);
+ }
+}