private PlaceholderResolver resolver;
public SpelView(String template) {
this.template = template;
this.context.addPropertyAccessor(new MapAccessor());
this.helper = new PropertyPlaceholderHelper("${", "}");
this.resolver = new PlaceholderResolver() {
public String resolvePlaceholder(String name) {
Expression expression = parser.parseExpression(name);
Object value = expression.getValue(context);