question: public void init ( String prefix , java . net . URL url ) { try { java . io . InputStream in = url . openStream ( ) ; Properties props = new Properties ( ) ; props . load ( in ) ; init ( getLayers ( prefix , props ) ) ; } catch ( java . net . MalformedURLException murle ) { logger . warning ( "LayerHandler.init(URL): " + url + " is not a valid URL" ) ; } catch ( java . io . IOException e ) { logger . warning ( "LayerHandler.init(URL): Caught an IOException" ) ; } }
target:  Initialize the LayerHandler by having it construct it's layers from a URL containing an openmap.properties file.