question: public VariableConfigResource ( String configuration , TextResource baseResource ) { this ( baseResource ) ; for ( String configurationLine : configuration . split ( "\n|\r\n" ) ) { String [ ] configSplit = configurationLine . split ( "=" ) ; addConfig ( configSplit [ 0 ] , configSplit [ 1 ] ) ; } }
target:  Constructs a TextResource that substitutes variables with values in a wrapped TextResource. Configures using a configuration file, with lines of variableName=value.