Replace all fastjson with jackson in nacos-api

api/src/main/java/com/alibaba/nacos/api/naming/pojo/Instance.java

@@ -19,9 +19,6 @@ import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.api.naming.PreservedMetadataKeys;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.ObjectMapper;
 
 import org.apache.commons.lang3.StringUtils;
 
@@ -179,13 +176,18 @@ public class Instance {
 
     @Override
     public String toString() {
-        ObjectMapper objectMapper = new ObjectMapper();
+        return "Instance{" +
-        objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+            "instanceId='" + instanceId + '\'' +
-        try {
+            ", ip='" + ip + '\'' +
-            return objectMapper.writeValueAsString(this);
+            ", port=" + port +
-        } catch (JsonProcessingException e) {
+            ", weight=" + weight +
-            throw new RuntimeException("Instance toJson failed", e);
+            ", healthy=" + healthy +
-        }
+            ", enabled=" + enabled +
+            ", ephemeral=" + ephemeral +
+            ", clusterName='" + clusterName + '\'' +
+            ", serviceName='" + serviceName + '\'' +
+            ", metadata=" + metadata +
+            '}';
     }
 
     public String toInetAddr() {

api/src/main/java/com/alibaba/nacos/api/naming/pojo/ListView.java

@@ -15,8 +15,6 @@
  */
 package com.alibaba.nacos.api.naming.pojo;
 
-import com.alibaba.fastjson.JSON;
-
 import java.util.List;
 
 /**
@@ -47,6 +45,9 @@ public class ListView<T> {
 
     @Override
     public String toString() {
-        return JSON.toJSONString(this);
+        return "ListView{" +
+            "data=" + data +
+            ", count=" + count +
+            '}';
     }
 }

api/src/main/java/com/alibaba/nacos/api/naming/pojo/ServiceInfo.java

@@ -15,8 +15,10 @@
  */
 package com.alibaba.nacos.api.naming.pojo;
 
-import com.alibaba.fastjson.annotation.JSONField;
 import com.alibaba.nacos.api.common.Constants;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
@@ -29,10 +31,12 @@ import java.util.List;
  *
  * @author nkorange
  */
+@JsonInclude(Include.NON_NULL)
 public class ServiceInfo {
 
-    @JSONField(serialize = false)
+    @JsonIgnore
     private String jsonFromServer = EMPTY;
+
     public static final String SPLITER = "@@";
 
     private String name;
@@ -43,7 +47,6 @@ public class ServiceInfo {
 
     private long cacheMillis = 1000L;
 
-    @JSONField(name = "hosts")
     private List<Instance> hosts = new ArrayList<Instance>();
 
     private long lastRefTime = 0L;
@@ -162,7 +165,7 @@ public class ServiceInfo {
         return true;
     }
 
-    @JSONField(serialize = false)
+    @JsonIgnore
     public String getJsonFromServer() {
         return jsonFromServer;
     }
@@ -171,12 +174,12 @@ public class ServiceInfo {
         this.jsonFromServer = jsonFromServer;
     }
 
-    @JSONField(serialize = false)
+    @JsonIgnore
     public String getKey() {
         return getKey(name, clusters);
     }
 
-    @JSONField(serialize = false)
+    @JsonIgnore
     public String getKeyEncoded() {
         try {
             return getKey(URLEncoder.encode(name, "UTF-8"), clusters);
@@ -185,7 +188,6 @@ public class ServiceInfo {
         }
     }
 
-    @JSONField(serialize = false)
     public static ServiceInfo fromKey(String key) {
         ServiceInfo serviceInfo = new ServiceInfo();
         int maxSegCount = 3;
@@ -201,7 +203,7 @@ public class ServiceInfo {
         return serviceInfo;
     }
 
-    @JSONField(serialize = false)
+    @JsonIgnore
     public static String getKey(String name, String clusters) {
 
         if (!isEmpty(clusters)) {

api/src/test/java/com/alibaba/nacos/api/annotation/NacosPropertiesTest.java

@@ -15,7 +15,6 @@
  */
 package com.alibaba.nacos.api.annotation;
 
-import com.alibaba.fastjson.JSON;
 import org.junit.Assert;
 import org.junit.Test;
 import org.springframework.mock.env.MockEnvironment;

api/src/test/java/com/alibaba/nacos/api/naming/pojo/ServiceInfoTest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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.alibaba.nacos.api.naming.pojo;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Before;
+import org.junit.Test;
+import java.io.IOException;
+
+import static org.junit.Assert.*;
+
+public class ServiceInfoTest {
+
+    private ObjectMapper mapper;
+
+    private ServiceInfo serviceInfo;
+
+    @Before
+    public void setUp() throws Exception {
+        mapper = new ObjectMapper();
+        mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+        serviceInfo = new ServiceInfo("testName", "testClusters");
+    }
+
+    @Test
+    public void testSerialize() throws JsonProcessingException {
+        String actual = mapper.writeValueAsString(serviceInfo);
+        assertTrue(actual.contains("\"name\":\"testName\""));
+        assertTrue(actual.contains("\"clusters\":\"testClusters\""));
+        assertTrue(actual.contains("\"cacheMillis\":1000"));
+        assertTrue(actual.contains("\"hosts\":[]"));
+        assertTrue(actual.contains("\"lastRefTime\":0"));
+        assertTrue(actual.contains("\"checksum\":\"\""));
+        assertTrue(actual.contains("\"valid\":true"));
+        assertTrue(actual.contains("\"allIPs\":false"));
+        assertFalse(actual.contains("jsonFromServer"));
+        assertFalse(actual.contains("key"));
+        assertFalse(actual.contains("keyEncoded"));
+    }
+
+    @Test
+    public void testDeserialize() throws IOException {
+        String example = "{\"name\":\"testName\",\"clusters\":\"testClusters\",\"cacheMillis\":1000,\"hosts\":[],\"lastRefTime\":0,\"checksum\":\"\",\"allIPs\":false,\"valid\":true,\"groupName\":\"\"}";
+        ServiceInfo actual = mapper.readValue(example, ServiceInfo.class);
+        assertEquals("testName", actual.getName());
+        assertEquals("testClusters", actual.getClusters());
+        assertEquals("", actual.getChecksum());
+        assertEquals("", actual.getGroupName());
+        assertEquals(1000, actual.getCacheMillis());
+        assertEquals(0, actual.getLastRefTime());
+        assertTrue(actual.getHosts().isEmpty());
+        assertTrue(actual.isValid());
+        assertFalse(actual.isAllIPs());
+    }
+}

common/src/main/java/com/alibaba/nacos/common/utils/JacksonUtils.java

@@ -57,7 +57,7 @@ public final class JacksonUtils {
 		return mapper.readValue(json, mapper.constructType(type));
 	}
 
-        public static void registerSubtype(Class<?> clz, String type) {
+	public static void registerSubtype(Class<?> clz, String type) {
 	    mapper.registerSubtypes(new NamedType(clz, type));
     }
 }