Java内容重新整理删除过期的东西

Java/JavaDemo/codedemo/json/gson/CustomDeserialize.java

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+package cn.aofeng.demo.json.gson;
+
+import java.lang.reflect.Type;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParseException;
+
+/**
+ * 自定义反序列化。
+ * 
+ * @author <a href="mailto:aofengblog@163.com">聂勇</a>
+ */
+public class CustomDeserialize {
+
+    public static void main(String[] args) {
+        GsonBuilder builder = new GsonBuilder();
+        builder.registerTypeAdapter(Person.class, new PersonDeserializer());
+        Gson gson = builder.create();
+        
+        String json = "{\"PersonName\":\"aofeng\",\"PersonAge\":32}";
+        Person obj = gson.fromJson(json, Person.class);
+        System.out.println(obj); // 输出结果：Person [name=aofeng, age=32]
+    }
+
+    public static class PersonDeserializer implements JsonDeserializer<Person> {
+
+        @Override
+        public Person deserialize(JsonElement jsonEle, Type type,
+                JsonDeserializationContext context)
+                throws JsonParseException {
+            JsonObject jo = jsonEle.getAsJsonObject();
+            String name = jo.get("PersonName").getAsString();
+            int age = jo.get("PersonAge").getAsInt();
+            
+            Person obj = new Person(name, age);
+            return obj;
+        }
+        
+    } // end of PersonDeserializer
+
+}