jsonpath support new api reserve

Author: wenshao

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.alibaba</groupId>
 	<artifactId>fastjson</artifactId>
-	<version>1.2.59_preview_02</version>
+	<version>1.2.59_preview_05</version>
 
 	<packaging>jar</packaging>
 	<name>fastjson</name>

src/main/java/com/alibaba/fastjson/JSONPath.java

@@ -3864,7 +3864,25 @@ public String toJSONString() {
         return JSON.toJSONString(path);
     }
 
-    public static Object reserve(Object object, String... paths) {
+    public static Object reserveToArray(Object object, String... paths) {
+        JSONArray reserved = new JSONArray();
+
+        if (paths == null || paths.length == 0) {
+            return reserved;
+        }
+
+        for (String item : paths) {
+            JSONPath path = JSONPath.compile(item);
+            path.init();
+
+            Object value = path.eval(object);
+            reserved.add(value);
+        }
+
+        return reserved;
+    }
+
+    public static Object reserveToObject(Object object, String... paths) {
         if (paths == null || paths.length == 0) {
             return object;
         }

src/test/java/com/alibaba/json/bvt/path/JSONPath_reverse_test.java

@@ -10,7 +10,15 @@ public class JSONPath_reverse_test extends TestCase
     public void test_reserve() throws Exception {
         JSONObject object = JSON.parseObject("{\"id\":1001,\"name\":\"ljw\",\"age\":50}");
 
-        assertEquals("{\"id\":1001,\"name\":\"ljw\"}", JSONPath.reserve(object, "id", "name").toString());
-        assertEquals("{\"name\":\"ljw\",\"id\":1001}", JSONPath.reserve(object, "name", "id").toString());
+        assertEquals("[1001,\"ljw\"]", JSONPath.reserveToArray(object, "id", "name").toString());
+        assertEquals("[\"ljw\",1001]", JSONPath.reserveToArray(object, "name", "id").toString());
+        assertEquals("[\"ljw\",[\"ljw\",1001,50]]", JSONPath.reserveToArray(object, "name", "*").toString());
+    }
+
+    public void test_reserve2() throws Exception {
+        JSONObject object = JSON.parseObject("{\"id\":1001,\"name\":\"ljw\",\"age\":50}");
+
+        assertEquals("{\"id\":1001,\"name\":\"ljw\"}", JSONPath.reserveToObject(object, "id", "name").toString());
+        assertEquals("{\"name\":\"ljw\",\"id\":1001}", JSONPath.reserveToObject(object, "name", "id").toString());
     }
 }