EL Bean Values

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.PostConstruct;
import javax.enterprise.context.RequestScoped;
import javax.inject.Named;

@Named("values")
@RequestScoped
public class ELValues {

    private String name;

    private String[] nameArray;

    private List<String> nameList;

    private Map<String, String> dayMap;

    @PostConstruct
    public void init() {
        dayMap = new HashMap<>();
        dayMap.put("1", "Sunday");
        dayMap.put("2", "Monday");
        dayMap.put("3", "Tuesday");
        dayMap.put("4", "Wednesday");
        dayMap.put("5", "Thursday");
        dayMap.put("6", "Friday");
        dayMap.put("7", "Saturday");

        name = "paul";
        nameArray = new String[] {"paul", "tom", "dick", "harry"};
        nameList = Arrays.asList(nameArray);
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String[] getNameArray() {
        return nameArray;
    }

    public void setNameArray(String[] nameArray) {
        this.nameArray = nameArray;
    }

    public List<String> getNameList() {
        return nameList;
    }

    public void setNameList(List<String> nameList) {
        this.nameList = nameList;
    }

    public Map<String, String> getDayMap() {
        return dayMap;
    }

    public void setDayMap(Map<String, String> dayMap) {
        this.dayMap = dayMap;
    }

}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">
<h:head>
    <title>EL Getting at values</title>
</h:head>
<h:body>
    <h:panelGrid columns="2">
        <h:outputText value="\#{values.name}"/>
        <h:outputText value="#{values.name}"/>
        <h:outputText value="\#{values['name']}"/>
        <h:outputText value="#{values['name']}"/>
        <h:outputText value="\#{values.nameArray}"/>
        <h:outputText value="#{values.nameArray}"/>
        <h:outputText value="\#{values.nameArray[0]}"/>
        <h:outputText value="#{values.nameArray[0]}"/>
        <h:outputText value="\#{values.nameArray[1]}"/>
        <h:outputText value="#{values.nameArray[1]}"/>
        <h:outputText value="\#{values.nameArray[2]}"/>
        <h:outputText value="#{values.nameArray[2]}"/>
        <h:outputText value="\#{values.nameArray[3]}"/>
        <h:outputText value="#{values.nameArray[3]}"/>
        <h:outputText value="\#{values['nameArray'][0]}"/>
        <h:outputText value="#{values['nameArray'][0]}"/>
        <h:outputText value="\#{values['nameArray'][1]}"/>
        <h:outputText value="#{values['nameArray'][1]}"/>
        <h:outputText value="\#{values['nameArray'][2]}"/>
        <h:outputText value="#{values['nameArray'][2]}"/>
        <h:outputText value="\#{values['nameArray'][3]}"/>
        <h:outputText value="#{values['nameArray'][3]}"/>
        <h:outputText value="\#{values.nameList[0]}"/>
        <h:outputText value="#{values.nameList[0]}"/>
        <h:outputText value="\#{values.nameList[1]}"/>
        <h:outputText value="#{values.nameList[1]}"/>
        <h:outputText value="\#{values.nameList[2]}"/>
        <h:outputText value="#{values.nameList[2]}"/>
        <h:outputText value="\#{values.nameList[3]}"/>
        <h:outputText value="#{values.nameList[3]}"/>
        <h:outputText value="\#{values['nameList'][0]}"/>
        <h:outputText value="#{values['nameList'][0]}"/>
        <h:outputText value="\#{values['nameList'][1]}"/>
        <h:outputText value="#{values['nameList'][1]}"/>
        <h:outputText value="\#{values['nameList'][2]}"/>
        <h:outputText value="#{values['nameList'][2]}"/>
        <h:outputText value="\#{values['nameList'][3]}"/>
        <h:outputText value="#{values['nameList'][3]}"/>
        <h:outputText value="\#{values.dayMap['1']}"/>
        <h:outputText value="#{values.dayMap['1']}"/>
        <h:outputText value="\#{values.dayMap['2']}"/>
        <h:outputText value="#{values.dayMap['2']}"/>
        <h:outputText value="\#{values.dayMap['3']}"/>
        <h:outputText value="#{values.dayMap['3']}"/>
        <h:outputText value="\#{values.dayMap['4']}"/>
        <h:outputText value="#{values.dayMap['4']}"/>
        <h:outputText value="\#{values.dayMap['5']}"/>
        <h:outputText value="#{values.dayMap['5']}"/>
        <h:outputText value="\#{values.dayMap['6']}"/>
        <h:outputText value="#{values.dayMap['6']}"/>
        <h:outputText value="\#{values.dayMap['7']}"/>
        <h:outputText value="#{values.dayMap['7']}"/>   
    </h:panelGrid>
</h:body>
</html>

EL Operators

eq
ne
lt
gt
le
ge
empty
not
null
mod
div
instanceof
true
false

Implicit objects

flash
request
view
session
facesContext
initParam
component
cc
applicationScope
sessionScope
viewScope
requestScope
param
paramValues
header
headerValues
cookie
resource
pageContext

Wiki

Oracle JSF Expert 1Z0-896 / Expression Language and Implicit Objects

EL Bean Values

EL Operators

Implicit objects