JSONLib-JsonConfig探讨

在使用JSONLib包的应用中，我们实际情况会考虑过滤其某些属性或格式其某些属性。那么如何实现，JSONlib包提供了一个JsonConfig类扩展结构，供开发人员按照实际情况的需要实现Bean2JSONObject的处理过程。
作者写了一个处理Date格式与过滤掉其中一个属性的案例，可以参考。
另外在探讨过程中，作者发现jsonlib不能处理内部类。



package com.china;
import java.util.Date;
public class Teacher implements java.io.Serializable {
/**
* 
*/
private static final long serialVersionUID = 1L;
private  String name ="haibing.xiao";
private int age=27  ;
private Boolean sex =true ;
private Date birthday =new Date();
private Date workDate =new Date();
public Date getWorkDate() {
return workDate;
}
public void setWorkDate(Date workDate) {
this.workDate = workDate;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
public Boolean getSex() {
return sex;
}
public void setSex(Boolean sex) {
this.sex = sex;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
package com.china;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import net.sf.json.JSONArray;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;
import net.sf.json.util.PropertyFilter;
/**
* @author haibing.xiao
* @since jdk1.6
* <p>  className :SimpleJSONlib  ,Teacher</p>
* */
public class SimpleJSONlib {
public static void main(String[] args) {
JsonConfig  jsonConfig =new JsonConfig() ;
/**    format classType Date return 2013-01-17*/
jsonConfig.registerJsonValueProcessor(Date.class, new JsonValueProcessor() {
@Override
public Object processObjectValue(String key, Object value, JsonConfig arg2) {
// TODO Auto-generated method stub
return new SimpleDateFormat("yyyy-MM-dd").format(value);
}
@Override
public Object processArrayValue(Object value, JsonConfig arg1) {
// TODO Auto-generated method stub
return value;
}
});
/** filter  filedName  workDate*/
jsonConfig.setJavaPropertyFilter(new PropertyFilter() {
@Override
public boolean apply(Object source, String name, Object value) {
// TODO Auto-generated method stub
if("workDate".equals(name)){
return true ;
}
return false;
}
});
List<Teacher> list =new ArrayList<Teacher>();
list.add(new Teacher());
list.add(new Teacher());
list.add(new Teacher());
System.out.println(JSONArray.fromObject(list.toArray(), jsonConfig).toString());
}
}