question: private SchemaFactory loadFromProperty ( String keyName , String resourceName , InputStream in ) throws IOException { debugPrintln ( "Reading " + resourceName ) ; Properties props = new Properties ( ) ; props . load ( in ) ; in . close ( ) ; String factoryClassName = props . getProperty ( keyName ) ; if ( factoryClassName != null ) { debugPrintln ( "found " + keyName + " = " + factoryClassName ) ; return createInstance ( factoryClassName ) ; } else { debugPrintln ( keyName + " is not in the property file" ) ; return null ; } }
target:  Looks up a value in a property file while producing all sorts of debug messages.