fastjson的序列化过滤器

/** * * Created: liuhuichao * * Date: 2018/3/30 * * Time: 下午4:24 * * Description:测试SerializeFilter *  */
public class SerializeTest {


    /** * 是否过滤字段 * PropertyFilter根据PropertyName情况，来返回是否需要序列号此字段 */
    @Test
    public void propertyFilterTest(){
        PropertyFilter filter =new PropertyFilter() {
            @Override
            public boolean apply(Object object,String name,Object value) {
                if("name".equals(name)){
                    if(value.toString().equals("admin")){
                        return false;
                    }
                }
                return true;
            }
        };

        User admin=new User(1,"admin");
        User normalUser=new User(2,"LHC");
        System.out.println("admin:"+JSONObject.toJSONString(admin,filter));
        System.out.println("lhc:"+JSONObject.toJSONString(normalUser,filter));
    }

    /** * 序列化时修改Key */
    @Test
    public void nameFilterTest(){
        NameFilter  filter=new NameFilter() {
            @Override
            public String process(Object object,Object value) {
                if("id".equals(name)){
                    return "userId";
                }
                if("name".equals(name)){
                    return "userName";
                }
                return name;
            }
        };
        User admin=new User(1,"admin");
        System.out.println("admin:"+JSONObject.toJSONString(admin,filter)); // -->>>>> admin:{"userId":1,"userName":"admin"}

    }

    /** * 序列化时候修改value */
    @Test
    public void valueFilterTest(){
        ValueFilter filter=new ValueFilter() {
            @Override
            public Object process(Object object,Object value) {
                if("id".equals(name)){
                    return ((long)value)*10;
                }
                return value;
            }
        };
        User admin=new User(1,filter)); // -->>>>> admin:{"id":10,"name":"admin"}

    }

    /** * 序列化前面加上kv */
    @Test
    public void beforeFilterTest(){
        BeforeFilter filter=new BeforeFilter() {
            @Override
            public void writeBefore(Object object) {
                writeKeyValue("location","beijing");
            }
        };
        User admin=new User(1,filter)); // -->>>>> admin:{"location":"beijing","id":1,"name":"admin"}

    }

    /** * 序列号后面加上kv */
    @Test
    public void afterFilterTest(){
        AfterFilter filter=new AfterFilter() {
            @Override
            public void writeAfter(Object object) {
                writeKeyValue("location",filter)); // -->>>>> admin:{"id":1,"name":"admin","location":"beijing"}

    }



}

（编辑：李大同）

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