我需要简单的地图转换与环境变量的代码简化普通的地图转换为嵌套地图
HOST_IDX :"192.168.99.100",
PORT_IDX_HTTPS:"9447",
HOST_ESB :"192.168.99.100",
PORT_ESB_HTTPS:"8245",
PORT_ESB_HTTP :"8282",
OTHER :"foo"
到嵌套的地图,在JSON看起来是这样的:
{
"idx": {
"host": "192.168.99.100",
"port": {
"https": "9447"
}
},
"esb": {
"host": "192.168.99.100",
"port": {
"https": "8245",
"http": "8282"
}
}
}
它下面的代码,实际上这样做,但我想尽量减少/简化它...
def env=[
HOST_IDX:"192.168.99.100",
PORT_IDX_HTTPS:"9447",
HOST_ESB:"192.168.99.100",
PORT_ESB_HTTPS:"8245",
PORT_ESB_HTTP:"8282",
OTHER:"foo"
]
def x=env
.collectEntries{[it.key.toLowerCase().split('_'),it.value]}
.findAll{it.key[0] in ['host','port']}
.groupBy({it.key[1]}, {it.key[0]})
.collectEntries{[
it.key, it.value.collectEntries{[
it.key, it.key=='host' ? it.value.entrySet()[0].value : it.value.collectEntries{[
it.key[-1], it.value
]}
]}
]}
println new groovy.json.JsonBuilder(x).toPrettyString()
非常感谢。现在我知道一个新的方法:'inject' :) – daggett