diff --git a/jsf/pom.xml b/jsf/pom.xml index b80bcfb416..6a4b358252 100644 --- a/jsf/pom.xml +++ b/jsf/pom.xml @@ -27,7 +27,7 @@ javax.el - el-api + javax.el-api ${javax.el.version} @@ -126,8 +126,8 @@ 4.2.5.RELEASE - 2.1.7 - 2.2 + 2.2.13 + 3.0.0 1.7.13 diff --git a/jsf/src/main/java/com/baeldung/springintegration/controllers/ELSampleBean.java b/jsf/src/main/java/com/baeldung/springintegration/controllers/ELSampleBean.java index a13f0890b5..16d9f80d89 100644 --- a/jsf/src/main/java/com/baeldung/springintegration/controllers/ELSampleBean.java +++ b/jsf/src/main/java/com/baeldung/springintegration/controllers/ELSampleBean.java @@ -1,13 +1,17 @@ package com.baeldung.springintegration.controllers; -import java.util.Random; import javax.annotation.PostConstruct; +import javax.el.ELContextEvent; +import javax.el.ELContextListener; +import javax.el.LambdaExpression; import javax.faces.application.Application; import javax.faces.application.FacesMessage; +import javax.el.LambdaExpression; import javax.faces.bean.ManagedBean; import javax.faces.bean.ViewScoped; -import javax.faces.component.html.HtmlInputText; import javax.faces.context.FacesContext; +import java.util.Collection; +import java.util.Random; @ManagedBean(name = "ELBean") @ViewScoped @@ -16,22 +20,37 @@ public class ELSampleBean { private String firstName; private String lastName; private String pageDescription = "This page demos JSF EL Basics"; + public static final String constantField = "THIS_IS_NOT_CHANGING_ANYTIME_SOON"; private int pageCounter; private Random randomIntGen = new Random(); @PostConstruct public void init() { pageCounter = randomIntGen.nextInt(); + FacesContext.getCurrentInstance().getApplication().addELContextListener(new ELContextListener() { + @Override + public void contextCreated(ELContextEvent evt) { + evt.getELContext().getImportHandler().importClass("com.baeldung.springintegration.controllers.ELSampleBean"); + } + }); } public void save() { } + + public static String constantField() { + return constantField; + } public void saveFirstName(String firstName) { this.firstName = firstName; } + public Long multiplyValue(LambdaExpression expr) { + Long theResult = (Long) expr.invoke(FacesContext.getCurrentInstance().getELContext(), pageCounter); + return theResult; + } public void saveByELEvaluation() { firstName = (String) evaluateEL("#{firstName.value}", String.class); diff --git a/jsf/src/main/webapp/el3_intro.xhtml b/jsf/src/main/webapp/el3_intro.xhtml new file mode 100644 index 0000000000..3f1f407a08 --- /dev/null +++ b/jsf/src/main/webapp/el3_intro.xhtml @@ -0,0 +1,35 @@ + + + + + Baeldung | Expression Language 3.0 + + + + +
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