Miscellany

public class  AuthorizationVarResolver extends VariableResolver {	private static final String ROOT_VARIABLE = "authorize";	private VariableResolver originalResolver;	public AuthorizationVarResolver(VariableResolver variableresolver) {		originalResolver = variableresolver;	}		public Object resolveVariable(FacesContext facescontext, String s) {		if (!s.equals(ROOT_VARIABLE)) {			HashMap<String, Object> args = new HashMap<String, Object>();			String authorizerName = s.substring(s.indexOf(".") + 1, s.indexOf("["));			 			StringTokenizer tokenizer = new StringTokenizer(					s.substring(s.indexOf("[") + 1, s.indexOf("]")).replaceAll(" ", ""), ",");						while (tokenizer.hasMoreTokens()) {				String token = tokenizer.nextToken();				int indexOfColon = token.indexOf(":");				String variableName = token.substring(1, indexOfColon);				String value = token.substring(indexOfColon + 1);												args.put(variableName, value);			}						Authorizer author = null;						try {				author = AuthorizerFactory.getAuthorizer(authorizerName, args);			} catch (IllegalArgumentException e) {				e.printStackTrace();			} catch (InstantiationException e) {				e.printStackTrace();			} catch (IllegalAccessException e) {				e.printStackTrace();			} catch (InvocationTargetException e) {				e.printStackTrace();			} catch (ClassNotFoundException e) {				e.printStackTrace();			} catch (SecurityException e) {				e.printStackTrace();			} catch (NoSuchMethodException e) {				e.printStackTrace();			} catch (IOException e) {				e.printStackTrace();			}			return author;		} else {			return originalResolver.resolveVariable(facescontext, s);		}	}}