[英]Merge array values in configuration using withFallBack in typesafe config
I have some data available as type safe configuration files in HOCON format.我有一些数据可用作 HOCON 格式的类型安全配置文件。
There is a base-file like this :有一个像这样的基本文件:
"data":{
"k1":{
"values": ["v1", "v2"]
},
"k2":{
"values": ["x1"]
},
"k3":{
"values": ["z1"]
}
}
There could be a file which can be used to make some changes, for example during test, like this:可能有一个文件可用于进行一些更改,例如在测试期间,如下所示:
"data":{
"k1":{
"values": ["v9"]
}
}
I am trying to merge these two files using我正在尝试使用合并这两个文件
fileConfig.withFallback(baseFileConfig)
fileConfig.withFallback(baseFileConfig)
The end result is:最终结果是:
"data":{
"k1":{
"values": ["v9"] // desired ["v1","v2","v9"]
},
"k2":{
"values": ["x1"]
},
"k3":{
"values": ["z1"]
}
}
ie the array values for "k1" from the fallBack configuration are ignored.即,后备配置中“k1”的数组值将被忽略。 Is there a way I can get the concatenated array from two files after the merge?
有没有办法在合并后从两个文件中获取连接的数组?
for do that you need add ref for values concatenation ( values: ${data.k1.values} ["v9"]
):为此,您需要为值连接添加 ref (
values: ${data.k1.values} ["v9"]
):
lazy val defaultConfig = ConfigFactory.parseResources("a.conf")
lazy val additionalConfig = ConfigFactory.parseResources("b.conf" )
println(additionalConfig.withFallback(defaultConfig).resolve())
// Config(SimpleConfigObject({"data":{"k1":{"values":["v1","v2","v9"]},"k2":{"values":["x1"]},"k3":{"values":["z1"]}}}))
configs:配置:
defaultConfig默认配置
data: {
k1: {
values: ["v1", "v2"]
},
k2: {
"values": [
"x1"
]
},
k3: {
"values": [
"z1"
]
}
}
additionalConfig:附加配置:
data: {
k1: {
values: ${data.k1.values} ["v9"]
}
}
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