Vassilios Karakoidas Weblog

public enum ParserPlugin {
    FIRE("org.firej.dfa.fire.ParserFire"),
    AUTOMATON("org.firej.dfa.automaton.ParserAutomaton");
 
    private static Parser current;
 
    static {
	current = new ParserAutomaton();
    }
 
    private String classpath;
 
    private ParserPlugin(String cl) {
	this.classpath = cl;
    }
 
    public boolean load() {
	try {
	    ClassLoader classloader = ClassLoader.getSystemClassLoader();
	    Class clazz = classloader.loadClass(classpath);
	    current = (Parser) clazz.newInstance();
	    return true;
	} catch (Exception e) {	    
	    return false;
	}
    }
}

public enum ParserPlugin {
    FIRE,
    AUTOMATON;
 
    private static Parser current;
 
    static {
	current = new ParserAutomaton();
    }
 
    public boolean load() {
        switch(this) {
            case FIRE:
                current = new ParserFire();
                return true;
            case AUTOMATON:
                current = new ParserAutomaton();
                return true;
            default:
                return false;
        }
    }
}