support FastjsonUtils

bom/pom.xml

@@ -60,6 +60,7 @@
         <!-- Build args -->
         <module.install.skip>true</module.install.skip>
         <module.deploy.skip>true</module.deploy.skip>
+        <fastjson.version>1.2.83</fastjson.version>
     </properties>
 
     <dependencyManagement>
@@ -444,6 +445,11 @@
                 <artifactId>sofa-common-tools</artifactId>
                 <version>${sofa.common.tools.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.alibaba</groupId>
+                <artifactId>fastjson</artifactId>
+                <version>${fastjson.version}</version>
+            </dependency>
             <dependency>
                 <groupId>commons-lang</groupId>
                 <artifactId>commons-lang</artifactId>

core/common/pom.xml

@@ -34,6 +34,11 @@
             <artifactId>slf4j-log4j12</artifactId>
             <scope>test</scope>
         </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+        </dependency>
 
     </dependencies>
 

core/common/src/main/java/com/alipay/sofa/rpc/common/utils/FastjsonUtils.java

@@ -0,0 +1,83 @@
+/*
+ * 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 com.alipay.sofa.rpc.common.utils;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONException;
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.JSONPath;
+import com.alibaba.fastjson.TypeReference;
+import com.alibaba.fastjson.parser.Feature;
+import com.alibaba.fastjson.parser.ParserConfig;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+
+import java.lang.reflect.Type;
+
+/**
+ * Fastjson 工具类
+ *
+ * @author chengming
+ * @version FastjsonUtils.java, v 0.1 2024年03月14日 1:36 PM chengming
+ */
+public class FastjsonUtils {
+
+    private static final ParserConfig safeParserConfig = new ParserConfig();
+
+    public FastjsonUtils() {
+    }
+
+    public static ParserConfig getSafeInstance() {
+        return safeParserConfig;
+    }
+
+    public String toJSONString(Object obj) {
+        return JSON.toJSONString(obj, SerializerFeature.DisableCircularReferenceDetect);
+    }
+
+    public <T> T toJavaObject(String json, Type type) {
+        return JSON.parseObject(json, type);
+    }
+
+    public static JSONObject parseObject(String text) {
+        Object obj = JSON.parse(text, safeParserConfig);
+        if (obj instanceof JSONObject) {
+            return (JSONObject) obj;
+        } else {
+            try {
+                return (JSONObject) JSON.toJSON(obj);
+            } catch (RuntimeException var3) {
+                throw new JSONException("can not cast to JSONObject.", var3);
+            }
+        }
+    }
+
+    public static <T> T parseObject(String text, Class<T> clazz) {
+        return JSON.parseObject(text, clazz, safeParserConfig, null, JSON.DEFAULT_PARSER_FEATURE, new Feature[0]);
+    }
+
+    public static <T> T parseObject(String text, TypeReference<T> type, Feature... features) {
+        return JSON.parseObject(text, type.getType(), safeParserConfig, JSON.DEFAULT_PARSER_FEATURE, features);
+    }
+
+    public static Object read(String json, String path) {
+        return JSONPath.compile(path).eval(JSON.parse(json, safeParserConfig));
+    }
+
+    static {
+        safeParserConfig.setSafeMode(true);
+    }
+}

core/common/src/test/java/com/alipay/sofa/rpc/common/utils/FastjsonUtilsTest.java

@@ -0,0 +1,97 @@
+/*
+ * 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 com.alipay.sofa.rpc.common.utils;
+
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.TypeReference;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+
+public class FastjsonUtilsTest {
+
+    private FastjsonUtils fastjsonUtilsTest;
+
+    @Before
+    public void setUp() throws Exception {
+        fastjsonUtilsTest = new FastjsonUtils();
+    }
+
+    @Test
+    public void testToJSONString() {
+        assertEquals("obj", fastjsonUtilsTest.toJSONString("obj"));
+    }
+
+    @Test
+    public void testToJSONStringWithObject() {
+        assertEquals("{\"age\":1,\"name\":\"name\"}", fastjsonUtilsTest.toJSONString(new TestClass(1, "name")));
+    }
+
+    @Test
+    public void testParseObject() {
+        JSONObject jsonObject = new JSONObject();
+        jsonObject.put("age", 1);
+        jsonObject.put("name", "name");
+        assertEquals(jsonObject, FastjsonUtils.parseObject("{\"age\":1,\"name\":\"name\"}"));
+    }
+
+    @Test
+    public void testParseObjectWithObject() {
+        TestClass testClass = FastjsonUtils.parseObject("{\"age\":1,\"name\":\"name\"}", TestClass.class);
+        assertEquals(1, testClass.age);
+        assertEquals("name", testClass.name);
+    }
+
+    @Test
+    public void testParseObjectWithMap() {
+        Map<String, String> map = FastjsonUtils.parseObject("{\"age\":1,\"name\":\"name\"}",
+            new TypeReference<Map<String, String>>() {
+            });
+        assertEquals("1", map.get("age"));
+        assertEquals("name", map.get("name"));
+    }
+
+    public static class TestClass {
+        int    age;
+
+        String name;
+
+        public TestClass(int age, String name) {
+            this.age = age;
+            this.name = name;
+        }
+
+        public int getAge() {
+            return age;
+        }
+
+        public void setAge(int age) {
+            this.age = age;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+}