增加JacksonSerializer

discovery-plugin-framework/src/main/java/com/nepxion/discovery/plugin/framework/constant/PluginConstant.java

@@ -24,6 +24,7 @@ public class PluginConstant {
     public static final String RULE = "rule";
     public static final String REACH_MAX_LIMITED_COUNT = "reach max limited count";
 
+    public static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss.SSS";
     public static final String ENCODING_UTF_8 = "UTF-8";
     public static final String SEPARATE = ";";
 }
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discovery-plugin-framework/src/main/java/com/nepxion/discovery/plugin/framework/serializer/JacksonSerializer.java

+package com.nepxion.discovery.plugin.framework.serializer;
+
+/**
+ * <p>Title: Nepxion Discovery</p>
+ * <p>Description: Nepxion Discovery</p>
+ * <p>Copyright: Copyright (c) 2017-2050</p>
+ * <p>Company: Nepxion</p>
+ * @author Haojun Ren
+ * @version 1.0
+ */
+
+import java.text.SimpleDateFormat;
+
+import org.apache.commons.lang3.StringUtils;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.nepxion.discovery.plugin.framework.constant.PluginConstant;
+
+public class JacksonSerializer {
+    private ObjectMapper objectMapper;
+
+    public JacksonSerializer() {
+        objectMapper = new ObjectMapper();
+        objectMapper.setDateFormat(new SimpleDateFormat(PluginConstant.DATE_FORMAT));
+    }
+
+    public <T> String toJson(T object) {
+        if (object == null) {
+            throw new IllegalArgumentException("Object is null");
+        }
+
+        try {
+            return objectMapper.writeValueAsString(object);
+        } catch (JsonProcessingException e) {
+            throw new IllegalArgumentException(e.getMessage(), e);
+        }
+    }
+
+    public <T> T fromJson(String json, Class<T> clazz) {
+        if (StringUtils.isEmpty(json)) {
+            throw new IllegalArgumentException("Json is null or empty");
+        }
+
+        try {
+            return objectMapper.readValue(json, clazz);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e.getMessage(), e);
+        }
+    }
+
+    public <T> T fromJson(String json, TypeReference<T> typeReference) {
+        if (StringUtils.isEmpty(json)) {
+            throw new IllegalArgumentException("Json is null or empty");
+        }
+
+        try {
+            return objectMapper.readValue(json, typeReference);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e.getMessage(), e);
+        }
+    }
+
+    public ObjectMapper getObjectMapper() {
+        return objectMapper;
+    }
+}
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