Wow - it is really great to have you digging into this.
Did you look at
http://people.apache.org/~rgoers/log4j2/manual/configuration.html? It has two
sample json configuration files and talks about what you need to do to use
arrays. In particular, the loggers section looks like
"loggers": {
"logger": [
{ "name": "EventLogger", "level": "info", "additivity": "false",
"appender-ref": { "ref": "Routing" }},
{ "name": "com.foo.bar", "level": "error", "additivity": "false",
"appender-ref": { "ref": "Console" }}
],
"root": { "level": "error", "appender-ref": { "ref": "STDOUT" }}
}
Ralph
On Apr 28, 2012, at 6:09 AM, Christian Grobmeier wrote:
> Hei folks,
>
> i created a simple json configuration. I could not load it for unknown
> reasons, but I want to address something else with this message.
>
> Given this:
>
> {
> "configuration": {
> "appenders": {
> "Console": {
> "name": "Console",
> "PatternLayout": {
> "pattern": "%m%n"
> }
> }
> },
> "loggers": {
> "logger": {
> "name": "Sub",
> "level": "TRACE",
> "appender-ref": {
> "ref": "Console"
> }
> },
> "root": {
> "level": "error",
> "appender-ref": {
> "ref": "Console"
> }
> }
> }
> }
> }
>
> Why don't we use JSON arrays? For example in the "loggers" Objekt we
> define a "logger" and "root". It seems to me that I would need another
> "logger" pretty soon. It is more or less a type of what I want. But
> having the same keys in one single object feels strange. It is not
> permitted form the json format (to my knowledge), but what I somebody
> wants to create a gui to create these files? In case of for example JS
> he might have a problem with duplicated keys.
>
> We could rewrite it to:
>
> "loggers": [
> {
> "type" : "logger",
> "name": "Sub",
> "level": "TRACE",
> "appender-ref": { "ref": "Console" }
> },
> {
> "type" : "root",
> "name": "App",
> "level": "TRACE",
> "appender-ref": { "ref": "Console" }
> }
> ],
>
>
> This feels more intuitive to me and might avoid problems when others
> want ot use that file. At the moment I am not educated on the impacts
> of this change yet. I would say the same should happen with appenders
> or any other key, which holds a list of objects.
>
> Cheers
> Christian
>
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