static final int evalInt(ValueExpression expr, FacesContext context) {
try {
return (Integer) expr.getValue(context.getELContext());
} catch (ELException e) {
throw new FacesException(e);
}
}
static final String evalString(ValueExpression expr, FacesContext context) {
try {
return (String) expr.getValue(context.getELContext());
} catch (ELException e) {
throw new FacesException(e);
}
}
static final boolean evalBoolean(ValueExpression expr, FacesContext context) {
try {
Object value = expr.getValue(context.getELContext());
if (value == null) return false;
else if (value instanceof Boolean) return ((Boolean) value).booleanValue();
else if (value instanceof String) return "true".equalsIgnoreCase((String) value);
else return false;
} catch (ELException e) {
throw new FacesException(e);
}
}
