question: public static ServerState fromJson ( final String json ) { try { final GfJsonObject gfJsonObject = new GfJsonObject ( json ) ; final Status status = Status . valueOfDescription ( gfJsonObject . getString ( JSON_STATUS ) ) ; final List < String > jvmArguments = Arrays . asList ( GfJsonArray . toStringArray ( gfJsonObject . getJSONArray ( JSON_JVMARGUMENTS ) ) ) ; return new ServerState ( status , gfJsonObject . getString ( JSON_STATUSMESSAGE ) , gfJsonObject . getLong ( JSON_TIMESTAMP ) , gfJsonObject . getString ( JSON_LOCATION ) , gfJsonObject . getInt ( JSON_PID ) , gfJsonObject . getLong ( JSON_UPTIME ) , gfJsonObject . getString ( JSON_WORKINGDIRECTORY ) , jvmArguments , gfJsonObject . getString ( JSON_CLASSPATH ) , gfJsonObject . getString ( JSON_GEMFIREVERSION ) , gfJsonObject . getString ( JSON_JAVAVERSION ) , gfJsonObject . getString ( JSON_LOGFILE ) , gfJsonObject . getString ( JSON_HOST ) , gfJsonObject . getString ( JSON_PORT ) , gfJsonObject . getString ( JSON_MEMBERNAME ) ) ; } catch ( GfJsonException e ) { throw new IllegalArgumentException ( "Unable to create ServerStatus from JSON: " + json , e ) ; } }
target:  Unmarshals a ServerState instance from the JSON String.