[OSPP 2023] JSON Compatibility Check (#12776)

* Initialize

* update code style

* delete redundant file

* Change position

* delete redundant import

* Add JsonCompatibilityUtils

* Delete unused import

* change funcs

* Add test case

* update color class

* add license

* fix style

dubbo-common/src/main/java/org/apache/dubbo/common/utils/JsonCompatibilityUtil.java

@@ -0,0 +1,185 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils;
+
+import org.apache.dubbo.common.logger.Logger;
+import org.apache.dubbo.common.logger.LoggerFactory;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.GenericArrayType;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.lang.reflect.TypeVariable;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+
+public class JsonCompatibilityUtil {
+
+    private static final Logger logger = LoggerFactory.getLogger(JsonCompatibilityUtil.class);
+
+    private static final Set<String> unsupportedClasses = new HashSet<>(Arrays.asList("java.util.Optional", "java.util.Calendar", "java.util.Iterator", "java.io.InputStream", "java.io.OutputStream"));
+
+
+    /**
+     * Determine whether a Class can be serialized by JSON.
+     * @param clazz Incoming Class.
+     * @return If a Class can be serialized by JSON, return true;
+     * else return false.
+     */
+    public static boolean checkClassCompatibility(Class<?> clazz) {
+        Method[] methods = clazz.getDeclaredMethods();
+
+        boolean result;
+
+        for (Method method : methods) {
+            result = checkMethodCompatibility(method);
+            if (!result) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+
+    /**
+     * Determine whether a Method can be serialized by JSON.
+     * @param method Incoming Method.
+     * @return If a Method can be serialized by JSON, return true;
+     * else return false.
+     */
+    public static boolean checkMethodCompatibility(Method method) {
+
+        boolean result;
+
+        Type[] types = method.getGenericParameterTypes();
+        List<Type> typeList = new ArrayList<>(Arrays.asList(types));
+        Type returnType =  method.getGenericReturnType();
+        typeList.add(returnType);
+        for (Type type : typeList) {
+            result = checkType(type);
+            if (!result) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+
+    /**
+     * Get unsupported methods.
+     * @param clazz
+     * @return If there are unsupported methods, return them by List;
+     * else return null.
+     */
+    public static List<String> getUnsupportedMethods(Class<?> clazz) {
+        ArrayList<String> unsupportedMethods = new ArrayList<>();
+
+        Method[] methods = clazz.getDeclaredMethods();
+
+        for (Method method : methods) {
+            if (!checkMethodCompatibility(method)) {
+                unsupportedMethods.add(method.getName());
+            }
+        }
+
+        return unsupportedMethods.size() > 0 ? unsupportedMethods : null;
+    }
+
+
+    /**
+     * Determine whether a Type can be serialized by JSON.
+     * @param classType Incoming Type.
+     * @return If a Type can be serialized by JSON, return true;
+     * else return false.
+     */
+    private static boolean checkType(Type classType) {
+
+        boolean result;
+
+        if (classType instanceof TypeVariable) {
+            return true;
+        }
+
+        if (classType instanceof ParameterizedType) {
+
+            Type[] types = ((ParameterizedType) classType).getActualTypeArguments();
+            List<Type> typeList = new ArrayList<>(Arrays.asList(types));
+            classType = ((ParameterizedType) classType).getRawType();
+            typeList.add(classType);
+            for (Type type : typeList) {
+                result = checkType(type);
+                if (!result) {
+                    return false;
+                }
+            }
+        } else if (classType instanceof GenericArrayType) {
+            Type componentType = ((GenericArrayType) classType).getGenericComponentType();
+            result = checkType(componentType);
+            return result;
+        } else if (classType instanceof Class<?> ) {
+            Class<?> clazz = (Class<?>) classType;
+
+            String className = clazz.getName();
+
+            if (clazz.isArray()) {
+                Type componentType = clazz.getComponentType();
+                result = checkType(componentType);
+                return result;
+            } else if (clazz.isPrimitive()) {
+                // deal with case of basic byte
+                return !unsupportedClasses.contains(className);
+            } else if (className.startsWith("java") || className.startsWith("javax")) {
+                return !unsupportedClasses.contains(className);
+            } else {
+                // deal with case of interface
+                if (clazz.isInterface()) {
+                    return false;
+                }
+                // deal with case of abstract
+                if (Modifier.isAbstract(clazz.getModifiers())) {
+                    return false;
+                }
+                if (clazz.isEnum()) {
+                    return true;
+                }
+                // deal with case of record
+//                if (clazz.isRecord()) {
+//                    return false;
+//                }
+                // deal with field one by one
+                for (Field field : clazz.getDeclaredFields()) {
+                    Type type = field.getGenericType();
+                    Class<?> fieldClass = field.getType();
+                    result = checkType(type);
+                    if (!result) {
+                        return false;
+                    }
+                }
+            }
+        }
+
+        return true;
+    }
+
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/JsonCompatibilityUtilTest.java

@@ -0,0 +1,384 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils;
+
+import org.apache.dubbo.common.utils.json.Service;
+
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class JsonCompatibilityUtilTest {
+
+    private static Class<?> service = Service.class;
+
+    private static final Logger logger = LoggerFactory.getLogger(JsonCompatibilityUtil.class);
+
+    @Test
+    public void testCheckClassCompatibility() {
+        boolean res = JsonCompatibilityUtil.checkClassCompatibility(service);
+        assertFalse(res);
+    }
+
+    @Test
+    public void testGetUnsupportedMethods() {
+        List<String> res = JsonCompatibilityUtil.getUnsupportedMethods(service);
+        assert res != null;
+        logger.info(res.toString());
+        assert (res.size() != 0);
+    }
+
+    @Test
+    public void testInt() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testInt"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testIntArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testIntArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testInteger() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testInteger"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testIntegerArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testIntegerArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testIntegerList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testIntegerList"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testShort() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testShort"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testShortArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testShortArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testSShort() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testSShort"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testSShortArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testSShortArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testShortList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testShortList"));
+        assertTrue(res);
+    }
+
+
+    @Test
+    public void testByte() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testByte"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testByteArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testByteArr"));
+        assertTrue(res);
+    }
+
+
+    @Test
+    public void testBByte() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBByte"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testBByteArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBByteArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testByteList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testByteList"));
+        assertTrue(res);
+    }
+
+
+    @Test
+    public void testFloat() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testFloat"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testFloatArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testFloatArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testFFloat() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testFFloat"));
+        assertTrue(res);
+    }
+
+
+    @Test
+    public void testFloatArray() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testFloatArray"));
+        assertTrue(res);
+    }
+
+
+    @Test
+    public void testFloatList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testFloatList"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testBoolean() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBoolean"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testBooleanArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBooleanArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testBBoolean() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBBoolean"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testBooleanArray() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBooleanArray"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testBooleanList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testBooleanList"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testChar() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testChar"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testCharArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testCharArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testCharacter() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testCharacter"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testCharacterArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testCharacterArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testCharacterList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testCharacterList"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testCharacterListArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testCharacterListArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testString() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testString"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testStringArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testStringArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testStringList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testStringList"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testStringListArr() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testStringListArr"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testDate() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testDate"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testCalendar() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testCalendar"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testLocalTime() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testLocalTime"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testLocalDate() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testLocalDate"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testLocalDateTime() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testLocalDateTime"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testZoneDateTime() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testZoneDateTime"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testMap() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testMap"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testSet() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testSet"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testOptionalEmpty() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testOptionalEmpty"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testOptionalInteger() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testOptionalInteger"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testOptionalString() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testOptionalString"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testEnum() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testEnum"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testRecord() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testRecord"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testInterface() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testInterface"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testObject() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testObject"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testObjectList() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testObjectList"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testTemplate() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testTemplate"));
+        assertTrue(res);
+    }
+
+    @Test
+    public void testStream() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testStream"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testIterator() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testIterator"));
+        assertFalse(res);
+    }
+
+    @Test
+    public void testAbstract() throws NoSuchMethodException {
+        boolean res = JsonCompatibilityUtil.checkMethodCompatibility(service.getDeclaredMethod("testAbstract"));
+        assertFalse(res);
+    }
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/AbstractObject.java

@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+public abstract class AbstractObject {
+
+    public abstract String sayHello();
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/Color.java

@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+public enum Color {
+    RED("红色", 1), GREEN("绿色", 2), BLANK("白色", 3), YELLO("黄色", 4);
+
+    private String name;
+    private int index;
+
+    private Color(String name, int index) {
+        this.name = name;
+        this.index = index;
+    }
+
+    public static String getName(int index) {
+        for (Color c : Color.values()) {
+            if (c.getIndex() == index) {
+                return c.name;
+            }
+        }
+        return null;
+    }
+
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public int getIndex() {
+        return index;
+    }
+    public void setIndex(int index) {
+        this.index = index;
+    }
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/Printer.java

@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+public interface Printer {
+    String print();
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/Range.java

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+//public record Range(Integer left, Integer right) {
+//    public Integer sum() {
+//        return left + right;
+//    }
+//}
+
+public class Range {
+    private Integer left;
+    private Integer right;
+
+    public Range(Integer left, Integer right) {
+        this.left = left;
+        this.right =right;
+    }
+    public Integer sum() {
+        return left + right;
+    }
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/Service.java

@@ -0,0 +1,151 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZonedDateTime;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+public interface Service {
+    String sayHi(String name);
+
+    List<String> testList();
+
+    int testInt();
+
+    int[] testIntArr();
+
+    Integer testInteger();
+
+    Integer[] testIntegerArr();
+
+    List<Integer> testIntegerList();
+
+    short testShort();
+
+    short[] testShortArr();
+
+    Short testSShort();
+
+    Short[] testSShortArr();
+
+    List<Short> testShortList();
+
+    byte testByte();
+
+    byte[] testByteArr();
+
+    Byte testBByte();
+
+    Byte[] testBByteArr();
+
+    ArrayList<Byte> testByteList();
+
+    float testFloat();
+
+    float[] testFloatArr();
+
+    Float testFFloat();
+
+    Float[] testFloatArray();
+
+    List<Float> testFloatList();
+
+    boolean testBoolean();
+
+    boolean[] testBooleanArr();
+
+    Boolean testBBoolean();
+
+    Boolean[] testBooleanArray();
+
+    List<Boolean> testBooleanList();
+
+    char testChar();
+
+    char[] testCharArr();
+
+    Character testCharacter();
+
+    Character[] testCharacterArr();
+
+    List<Character> testCharacterList();
+
+    List<Character[]> testCharacterListArr();
+
+    String testString();
+
+    String[] testStringArr();
+
+    List<String> testStringList();
+
+    List<String[]> testStringListArr();
+
+    String testNull();
+
+    Date testDate();
+
+    Calendar testCalendar();
+
+    LocalTime testLocalTime();
+
+    LocalDate testLocalDate();
+
+    LocalDateTime testLocalDateTime();
+
+    ZonedDateTime testZoneDateTime();
+
+    Map<Integer, String> testMap();
+
+    Set<Integer> testSet();
+
+    Optional<Integer> testOptionalEmpty();
+
+    Optional<Integer> testOptionalInteger();
+
+    Optional<String> testOptionalString();
+
+    Color testEnum();
+
+    Range testRecord();
+
+    Printer testInterface();
+
+    Teacher testObject();
+
+    List<Teacher> testObjectList();
+
+    Student<Integer> testTemplate();
+
+    InputStream testStream() throws FileNotFoundException;
+
+    Iterator<String> testIterator();
+
+    AbstractObject testAbstract();
+
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/Student.java

@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+import java.io.Serializable;
+import java.util.List;
+
+public class Student<W> implements Serializable {
+    private Integer type;
+
+    private List<String> names;
+
+    private List<W> namesT;
+
+    private W age;
+
+    private String name;
+
+    public Student(Integer type, String name) {
+        this.type = type;
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "Student{" +
+                "type=" + type +
+                ", name='" + name + '\'' +
+                '}';
+    }
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/json/Teacher.java

@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils.json;
+
+import java.io.Serializable;
+
+public class Teacher implements Serializable {
+    private String name;
+    private Integer age;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    public Teacher(String name, Integer age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return "Teacher{" +
+                "name='" + name + '\'' +
+                ", age=" + age +
+                '}';
+    }
+}