将带有虚线键的平面图转换为分层json [英] Convert flat map with dotted keys into hierarchical json
本文介绍了将带有虚线键的平面图转换为分层json的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个散列图(未排序),带有像这样的虚线键值对
I have a hashmap (unsorted) with dotted key value pairs like
person.adress.street=Fakestreet
person.adress.nr=123
person.name=Mike
person.adress.city=Springfield
我想将其转换为有效的json结构,例如:
And I would like to convert it into a valid json structure like:
{
"person" : {
"name" : "Mike",
"adress" : {
"street" : "Fakestreet",
"nr" : 123,
"city" : "Springfield"
}
}
}
我那里有一个库或一些标准的常规功能,还是需要手工制作这样的东西?
I there a library or some standard groovy functionallity out there or do I need to handcraft such a thing?
推荐答案
您可以使用groovy.util.ConfigSlurper
或像这样缩短您的手工解决方案:
or shorten your hand-made solution like that:
Closure nester
nester = { Map rslt, String key, val ->
String[] keys = key.split( /\./, 2 )
if( !rslt.containsKey( keys[ 0 ] ) ) rslt[ keys[ 0 ] ] = [:]
if( 2 == keys.length ) nester rslt[ keys[ 0 ] ], keys[ 1 ], val
else rslt[ key ] = val
rslt
}
def d = [ 'person.name':'Mike', 'person.adress.street':'Fakestreet', 'person.adress.nr':123, 'person.adress.city':'Springfield', 'aaa':'bbb' ]
def tree = d.inject [:], nester.trampoline()
assert '{"person":{"name":"Mike","adress":{"street":"Fakestreet","nr":123,"city":"Springfield"}},"aaa":"bbb"}' == JsonOutput.toJson( tree )
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