1
14
15 package com.liferay.taglib.faces.util;
16
17 import com.liferay.portal.kernel.util.Validator;
18
19 import javax.faces.application.Application;
20 import javax.faces.context.FacesContext;
21 import javax.faces.el.ValueBinding;
22 import javax.faces.webapp.UIComponentTag;
23
24
29 public class JSFTagUtil {
30
31 public static String eval(String expr) {
32 if (Validator.isNotNull(expr) &&
33 UIComponentTag.isValueReference(expr)) {
34
35 FacesContext facesContext = FacesContext.getCurrentInstance();
36
37 Application application = facesContext.getApplication();
38 ValueBinding valueBinding = application.createValueBinding(expr);
39
40 expr = String.valueOf(valueBinding.getValue(facesContext));
41 }
42
43 return expr;
44 }
45
46 }