Commons Digester Variable

The variable in xml data can be converted with Digester with the easy following codes.

Digester digester = DigesterLoader.createDigester(getURL(ruleFile));
       Map vars = new HashMap();
       vars.put("hello","Czesc!");
       MultiVariableExpander expander = new MultiVariableExpander();
       expander.addSource("$", vars);
       Substitutor substitutor = new VariableSubstitutor(expander);
       digester.setSubstitutor(substitutor);