{new} VarResolver
The Microservice API incorporates the {@doc juneau-svl Simple Variable Resolver} API.
The variable resolver can be augmented through the following methods:
A typical usage pattern is shown below:
The variable resolver becomes much more powerful when used in REST resource annotations which will be described latter in {@doc juneau-microservice-jetty}
By default, support for the following variables are provided:
$S{key[,default]}
- {@link oaj.svl.vars.SystemPropertiesVar}
$E{key[,default]}
- {@link oaj.svl.vars.EnvVariablesVar}
$A{key[,default]}
- {@link oaj.svl.vars.ArgsVar}
$C{key[,default]}
- {@link oaj.config.vars.ConfigVar}
$MF{key[,default]}
- {@link oaj.svl.vars.ManifestFileVar}
$IF{arg,then[,else]}
- {@link oaj.svl.vars.IfVar}
$SW{arg,pattern1:then1[,pattern2:then2...]}
- {@link oaj.svl.vars.SwitchVar}
$CO{arg[,arg2...]}
- {@link oaj.svl.vars.CoalesceVar}
$PM{arg,pattern}
- {@link oaj.svl.vars.PatternMatchVar}
$UC{arg}
- {@link oaj.svl.vars.UpperCaseVar}
$LC{arg}
- {@link oaj.svl.vars.LowerCaseVar}
$NE{arg}
- {@link oaj.svl.vars.NotEmptyVar}