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2387: JSONPath eval(string,string) issue fix #2388

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2387: JSONPath eval(string,string) issue fix #2388

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6 changes: 6 additions & 0 deletions fastjson1-compatible/src/main/java/com/alibaba/fastjson/JSONPath.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
import com.alibaba.fastjson.util.TypeUtils;
import com.alibaba.fastjson2.JSONReader;


import java.lang.reflect.Type;
import java.util.Map;

Expand Down Expand Up @@ -52,6 +53,11 @@ public static Object eval(Object rootObject, String path) {
return jsonPath.eval(rootObject);
}

public static Object eval(String rootObject, String path) {
com.alibaba.fastjson2.JSONPath jsonPath = com.alibaba.fastjson2.JSONPath.of(path);
return jsonPath.extract(rootObject);
}

public static boolean set(Object rootObject, String path, Object value) {
com.alibaba.fastjson2.JSONPath jsonPath = com.alibaba.fastjson2.JSONPath.of(path);
jsonPath.setReaderContext(JSON.createReadContext(JSON.DEFAULT_PARSER_FEATURE));
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30 changes: 30 additions & 0 deletions fastjson1-compatible/src/test/java/com/alibaba/fastjson/issue_2300/Issue2387Test.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
package com.alibaba.fastjson.issue_2300;

import org.junit.jupiter.api.Test;


import static org.junit.jupiter.api.Assertions.*;
import com.alibaba.fastjson.JSONPath;

public class Issue2387Test {
@Test
public void test_for_issue() throws Exception {
String data = "{\"userName\":\"testname\"}";
Object userName1 = JSONPath.eval(data, "$.userName");
assertEquals(userName1, "testname");
}

@Test
public void test_not_matching() {
String data = "{\"userName\":\"testname\"}";
Object userName1 = JSONPath.eval(data, "$.userName");
assertNotEquals(userName1, "testname1");
}

@Test
public void test_null() throws Exception {
String data = "{\"userName\":null}";
Object userName1 = JSONPath.eval(data, "$.userName");
assertNull(userName1);
}
}
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