java 嵌套对象序列化_Java多层对象嵌套的系列化和反系列化

Java多层对象嵌套的系列化和反系列化

在接口测试的时候, 接口参数往往是一个复杂嵌套对象, 在数据准备的时候,可以使用序列化方式管理测试数据,参数模板的生成.

在直接调用 gson, fastjson, jsonlib

等等任何一个第三方包,都没有提供这种递归序列化参数的功能,需要我们自己定制实现.

OK, dont talk too much, just show u the code:

package com.teda.util;

import java.lang.reflect.Array;

import java.lang.reflect.Field;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.ParameterizedType;

import java.lang.reflect.Type;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONObject;

import com.alibaba.fastjson.serializer.SerializerFeature;

public class JsonUtil

{

public static String

toJsonString(String api)

{

Class>

clazz =

getClass(api);

Object

object =

null;

try {

object =

buildObject(clazz);

}

catch (SecurityException

| InstantiationException | IllegalAccessException

e)

{

e.printStackTrace();

}

return toJsonString(object);

}

private static Class>

getClass(String api)

{

try {

Class>

clz =

Class.forName(api);

return clz;

}

catch (Exception

e)

{

}

return null;

}

private static final String

MAP_KEY_PLACE_HOLDER = "MAP_KEY_PLACE_HOLDER";

private static String

toJsonString(Object obj)

{

JSON.DEFFAULT_DATE_FORMAT

= "yyyy-MM-dd

HH:mm:ss";

return JSONObject.toJSONString(obj,

SerializerFeature.WriteMapNullValue,

SerializerFeature.WriteDateUseDateFormat,

SerializerFeature.WriteNullStringAsEmpty,

SerializerFeature.WriteNullBooleanAsFalse,

SerializerFeature.WriteNullListAsEmpty,

SerializerFeature.WriteNullNumberAsZero,

SerializerFeature.QuoteFieldNames,

SerializerFeature.DisableCheckSpecialChar,

SerializerFeature.WriteEnumUsingToString);

}

private static Object

buildObject(Class>

clazz)

throws SecurityException,

InstantiationException, IllegalAccessException {

Object

ob =

clazz.newInstance();

if (isBaseType(clazz))

return ob;

Field[]

fields =

clazz.getDeclaredFields();

List

selfFields =

Arrays.asList(fields);

List

pFields =

new ArrayList();

getParentClassFields(pFields,

clazz);

pFields.addAll(selfFields);

for (Field

field :

pFields)

{

Class>

fieldType =

field.getType();

if (isArrayType(fieldType))

{

Class>

trueTypeOfArray =

fieldType.getComponentType();

setFieldValue(clazz,

field,

ob,

Array.new