org.nutz.mapl.impl.convert

Class StructureConvert

java.lang.Object

org.nutz.mapl.impl.MaplEach

org.nutz.mapl.impl.convert.StructureConvert

All Implemented Interfaces:

MaplConvert

public class StructureConvert
extends MaplEach
implements MaplConvert

MapList结构转换.

将一种MapList结构转换成另外一种MapList结构.例:

  {
      "age":"123",
      "name":"juqkai"
  }
  转换成:
  {
      "年龄":"123",
      "姓名":"juqkai"
  }
 

要进行这样的转换需要预先配置一个对应关系的配置, 具体的配置关系说明如下:

• 使用原MapList一样的结构
• 有数组的, 只写第一个元素的结构
• 原结构中的值, 以字符串或字符串数组做为目标结构的对应关系
• 对应关系可以为数组
• 有数组的, 目标结构以key[].abc来代替数组
• 原结构数组层次强制限定一致, 目标结构中'[]'的索引按原结构中出现先后顺序进行匹配.
• 如果原结果不存在, 那默认为0
• 未在模板中申明的不做转换

例:

 例1:
  {
      "age":"user.年龄",
      "name":["user.name", "user.姓名"]
  }
 例2(原json:[{"name":"nutz"},{"name":"juqkai"}]):
 [{
      "name":"[].姓名"
 }]
 例3:
 {
      users:[
          {
              "name":["people[].name", "users[].name"],
              "age":"users[].name"
          }
      ]
 }
 

Author:

juqkai(juqkai@gmail.com)

Field Summary

Fields inherited from class org.nutz.mapl.impl.MaplEach

arrayIndex, paths

Constructor Summary

Constructors

Constructor and Description
StructureConvert(Object obj)
StructureConvert(Reader reader)
StructureConvert(String path)

Method Summary

Modifier and Type	Method and Description
Object	convert(Object obj) 转换
protected void	DLR(String path, Object object) 重建新对象
protected void	LRD(String path, Object item) 后序

Methods inherited from class org.nutz.mapl.impl.MaplEach

each

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StructureConvert

public StructureConvert(String path)

Parameters:

path - 模板文件路径

StructureConvert

public StructureConvert(Reader reader)

Parameters:

reader - 模板流

StructureConvert

public StructureConvert(Object obj)

Parameters:

obj - 模板的Map, List结构

Method Detail

convert

public Object convert(Object obj)

转换

Specified by:

convert in interface MaplConvert

Parameters:

obj - 目标对象

Returns:

转换后的结果

LRD

protected void LRD(String path,
                   Object item)

Description copied from class: MaplEach

后序

Specified by:

LRD in class MaplEach

DLR

protected void DLR(String path,
                   Object object)

重建新对象

Specified by:

DLR in class MaplEach