JavaServer Faces

Section 1

About This Refcard

JavaServer Faces (JSF) is the "official" component-based view technology in the Java EE web tier. JSF includes a set of predefined UI components, an event-driven programming model, and the ability to add third-party components. JSF is designed to be extensible, easy to use, and toolable. This refcard describes the JSF development process, standard JSF tags, the JSF expression language, and the faces-config.xml configuration file.

Section 2

Development Proces

A developer specifies JSF components in JSF pages, combining JSF component tags with HTML and CSS for styling. Components are linked with managed beans,Java classes that contain presentation logic and connect to business logic and persistence backends. Entries in faces-config.xml contain navigation rules and instructions for loading managed beans.

A JSF page has the following structure:

JSP Style Proper XML

JSP Style	Proper XML
`<html> <%@ taglib uri="http:// java.sun.com/jsf/ core" prefix="f" %> <%@ taglib uri="http:// java.sun.com/jsf/ html" prefix="h" %> <f:view> <head> <title>...</ title> </head> <body> <h:form> ... </h:form> </body> </f:view> </html>`	<?xml version="1.0" encoding="UTF-8"?> <jsp:root xmlns:jsp="http://java.sun.com/ JSP/Page" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" version="2.0"> <jsp:directive.page contentType="text/ html;charset=UTF-8"/> <jsp:output omit-xml-declaration="no" doctype-root-element="html" doctype-public="-//W3C//DTD XHTML 1.0 Transitional//EN" doctype-system="http://www.w3.org/TR/ xhtml1/ DTD/xhtml1-transitional.dtd"/> <f:view> <html xmlns="http://www.w3.org/1999/ xhtml"> <head> <title>...</title> </head> <body> <h:form>...</h:form> </body> </html> </f:view> </jsp:root>

<html>
<%@ taglib
uri="http://
java.sun.com/jsf/
core"
prefix="f" %>
<%@ taglib
uri="http://
java.sun.com/jsf/
html"
prefix="h" %>
<f:view>
<head>
<title>...</
title>
</head>
<body>
<h:form>
...
</h:form>
</body>
</f:view>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<jsp:root xmlns:jsp="http://java.sun.com/
JSP/Page"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
version="2.0">
<jsp:directive.page contentType="text/
html;charset=UTF-8"/>
<jsp:output omit-xml-declaration="no"
doctype-root-element="html"
doctype-public="-//W3C//DTD XHTML 1.0
Transitional//EN"
doctype-system="http://www.w3.org/TR/
xhtml1/
DTD/xhtml1-transitional.dtd"/>
<f:view>
<html xmlns="http://www.w3.org/1999/
xhtml">
<head>
<title>...</title>
</head>
<body>
<h:form>...</h:form>
</body>
</html>
</f:view>
</jsp:root>

These common tasks give you a crash course into using JSF.

page.jspx

<h:inputText value="#{bean1.luckyNumber}">

faces-config.xml

<managed-bean>
<managed-bean-name>bean1</managed-bean-name>
<managed-bean-class>com.corejsf.SampleBean</
managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>

com/corejsf/SampleBean.java

public class SampleBean {
public int getLuckyNumber() { ... }
public void setLuckyNumber(int value) { ... }
...
}

page.jspx

<h:commandButton value="press me" action="#{bean1.
login}"/>

faces-config.xml

<navigation-rule>
<navigation-case>
<from-outcome>success</from-outcome>
<to-view-id>/success.jspx</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>error</from-outcome>
<to-view-id>/error.jspx</to-view-id>
<redirect/>
</navigation-case>
</navigation-rule>

com/corejsf/SampleBean.java

public class SampleBean {
public String login() { if (...) return
"success"; else return "error"; }
...
}

page.jspx

<h:selectOneRadio value="#{form.condiment}>
<f:selectItems value="#{form.condimentItems}"/>
</h:selectOneRadio>

com/corejsf/SampleBean.java

public class SampleBean {
private Map<String, Object> condimentItem = null;
public Map<String, Object> getCondimentItems() {
if (condimentItem == null) {
condimentItem = new LinkedHashMap<String,
Object>();
condimentItem.put("Cheese", 1); // label, value
condimentItem.put("Pickle", 2);
...
}
return condimentItem;
}
public int getCondiment() { ... }
public void setCondiment(int value) { ... }
...
}

Validation and Conversion

page.jspx

<h:inputText value="#{payment.amount}"
required="true">
<f:validateDoubleRange maximum="1000"/>
</h:inputText>
<h:outputText value="#{payment.amount}">
<f:convertNumber type="currency"/>
<!-- number displayed with currency symbol and
group separator: $1,000.00 -->
</h:outputText>

Error Messages

page.jspx

<h:outputText value="Amount"/>
<h:inputText id="amount" label="Amount"
value="#{payment.amount}"/>
<!-- label is used in message text -->
<h:message for="amount"/>

Resources and Styles

page.jspx

<head>
<link href="styles.css" rel="stylesheet"
type="text/css"/>
...
</head>
<body>
...
<h:outputText value="#{msgs.goodbye}!"
styleClass="goodbye">
...
</body>

faces-config.xml

<application>
<resource-bundle>
<base-name>com.corejsf.messages</base-name>
<var>msgs</var>
</resource-bundle>
</application>

com/corejsf/messages.properties

goodbye=Goodbye

com/corejsf/messages_de.properties

goodbye=Auf Wiedersehen

styles.css

.goodbye {
font-style: italic;
font-size: 1.5em;
color: #eee;
}

Table with links

Name
Washington, George	Delete
Jefferson, Thomas	Delete
Lincoln, Abraham	Delete
Roosevelt, Theodore	Delete

page.jspx

<h:dataTable value="#{bean1.entries}" var="row"
styleClass="table" rowClasses="even,odd">
<h:column>
<f:facet name="header">
<h:outputText value="Name"/>
</f:facet>
<h:outputText value="#{row.name}"/>
</h:column>
<h:column>
<h:commandLink value="Delete" action="#{bean1.
deleteAction}" immediate="true">
<f:setPropertyActionListener target="#{bean1.
idToDelete}"
value="#{row.id}"/>
</h:commandLink>
</h:column>
</h:dataTable>

com/corejsf/SampleBean.java

public class SampleBean {
private int idToDelete;
public void setIdToDelete(int value) {idToDelete
= value; }
public String deleteAction() {
// delete the entry whose id is idToDelete
return null;
}
public List<Entry> getEntries() {...}
...
}

Section 3

LifeCycle

Section 4

faces-config.xml

The faces-config.xml file contains a sequence of the following entries.

managed-bean
1. description , display-name, icon (optional)
2. managed-bean-name
3. managed-bean-class
4. managed-bean-scope
5. managed-property (0 or more, other optional choices are map-entries and list-entries which are not shown here)
  1. description, display-name, icon (optional)
  2. property-name
  3. value (other choices are null-value, map-entries, list-entries which are not shown here)
navigation-rule
1. description, display-name, icon (optional)
2. from-view-id (optional, can use wildcards)
3. navigation-case (1 or more)
  - from-action (optional, not common)
  - from-outcome
  - to-view-id
application
- resource-bundle
  1. base-name
  2. var
- action-listener, default-render-kit-id, resource-bundle, view-handler, state-manager, elresolver, property-resolver, variable-resolver, application-extension (details not shown)
converter
- converter-id
- converter-class
- Optional initialization (not shown here)
validator
- validator-id
- validator-class
- Optional initialization (not shown here)
lifecycle
- phase-listener
component, factory, referenced-bean, render-kit, faces-config-extension (details not shown)

Section 5

web.xml

<?xml version="1.0"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchemainstance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</
servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- Add this element to change the extension for
JSF page files (Default: .jsp) -->
<context-param>
<param-name>javax.faces.DEFAULT_SUFFIX</paramname>
<param-value>.jspx</param-value>
</context-param>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.faces</url-pattern>
<!-- Another popular URL pattern is /faces/* -->
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.faces</welcome-file>
<!-- Create a blank index.faces (in addition to
index.jspx) -->
<welcome-file>index.html</welcome-file>
<!-- Use <meta http-equiv="Refresh" content=
"0; URL=index.faces"/> -->
</welcome-file-list>
</web-app>

Section 6

The JSF Expression Language (EL)

An EL expression is a sequence of literal strings and expressions of the form base[expr1][expr2]... As in JavaScript, you can write base.identifier instead of base['identifier'] or base["identifier"]. The base is one of the names in the table below or a name defined in faces-config.xml.

header	A Map of HTTP header parameters, containing only the first value for each name.
headerValues	A Map of HTTP header parameters, yielding a String[] array of all values for a given name
param	A Map of HTTP request parameters, containing only the first value for each name.
paramValues	A Map of HTTP request parameters, yielding a String[] array of all values for a given name.
cookie	A Map of the cookie names and values of the current request.
initParam	A Map of the initialization parameters of this web application.
requestScope	A Map of all request scope attributes.
sessionScope	A Map of all session scope attributes.
applicationScope	A Map of all application scope attributes.
facesContext	The FacesContext instance of this request.
view	The UIViewRoot instance of this request.

There are two expression types:

n Value expression: a reference to a bean property or an entry in a map, list, or array. Examples:
userBean.name calls getName or setName on the userBean object
pizza.choices[var] calls pizza.getChoices( ).get(var) or pizza.getChoices( ).put(var, ...)
n Method expression: a reference to a method and the object on which it is to be invoked. Example:
userBean.login calls the login method on the userBean object when it is invoked.

In JSF, EL expressions are enclosed in #{...} to indicate deferred evaluation. The expression is stored as a string and evaluated when needed. In contrast, JSP uses immediate evaluation, indicated by ${...} delimiters.

JSF Core Tags

Tag

Description/Attributes

f:view

Creates the top-level view

locale	The locale for this view.
renderKitId (JSF 1.2)	The render kit ID for this view
beforePhase, afterPhase	Phase listeners that are called in every phase except "restore view"

f:subview

Creates a subview of a view

binding, id, rendered

Basic attributes

f:facet

Adds a facet to a component

name	the name of this facet

f:attribute

Adds an attribute to a component

name, value

the name and value of the attribute to set

f:param

Constructs a parameter child component

name	An optional name for this parameter component.
value	The value stored in this component.
binding, id	Basic attributes

f:actionListener
f:valueChangeListener

Adds an action listener or value change listener to a component

type	The name of the listener class

f:setPropertyChange Listener (JSF 1.2)

Adds an action listener to a component that sets a bean property to a given value.

value	The bean property to set when the action event occurs
binding, id	The value to set it to

f:converter

Adds an arbitary converter to a component

converterId

The ID of the converter

f:convertDateTime

Adds a datetime converter to a component

type	date (default), time, or both
dateStyle	default, short, medium, long, or full
timeStyle	default, short, medium, long, or full
pattern	Formatting pattern, as defined in java. text.SimpleDateFormat
locale	Locale whose preferences are to be used for parsing and formatting
timezone	Time zone to use for parsing and formatting

f:convertNumber

Adds a number converter to a component

type	number (default), currency , or percent
pattern	Formatting pattern, as defined in java.text.DecimalFormat
maxFractionDigits	Maximum number of digits in the fractional part
minFractionDigits	Minimum number of digits in the fractional part
maxIntegerDigits	Maximum number of digits in the integer part
minIntegerDigits	Minimum number of digits in the integer part
integerOnly	True if only the integer part is parsed (default: false)
groupingUsed	True if grouping separators are used (default: true)
locale	Locale whose preferences are to be used for parsing and formatting
currencyCode	ISO 4217 currency code to use when converting currency values
currencySymbol	Currency symbol to use when converting currency values

f:validator

Adds a validator to a component

validatorId

The ID of the validator

f:validateDoubleRange
f:validateLongRange
f:validateLength

Validates a double or long value, or the length of a string

minimum, maximum

the minimum and maximum of the valid rang

f:loadBundle

Loads a resource bundle, stores properties as a Map

basename	The resource bundle name
value	The name of the variable that is bound to the bundle map

f:selectitems

Specifies items for a select one or select many component

binding, id	Basic attributes
value	Value expression that points to a SelectItem, an array or Collection of SelectItem objects, or a Map mapping labels to values.

f:selectitem

Specifies an item for a select one or select many component

binding, id	Basic attributes
itemDescription	Description used by tools only
itemDisabled	Boolean value that sets the item's disabled property
itemLabel	Text shown by the item
itemValue	Item's value, which is passed to the server as a request parameter
value	Value expression that points to a SelectItem instance

f:verbatim

Adds markup to a JSF page

escape	If set to true, escapes <, >, and & characters. Default value is false.
rendered (JSF 1.2)	Basic attributes

JSF HTML TAGS

Tag	Description
h:form	HTML form
h:inputText	Single-line text input control
h:inputTextarea	Multiline text input control
h:inputSecret	Password input control
h:inputHidden	Hidden field
h:outputLabel	Label for another component for accessibility
h:outputLink	HTML anchor
h:outputFormat	Like outputText, but formats compound messages
h:outputText	Single-line text output
h:commandButton	Button: submit, reset, or pushbutton
h:commandLink	Link that acts like a pushbutton.	register
h:message	Displays the most recent message for a component
h:messages	Displays all messages
h:grapicImage	Displays an image
h:selectOneListbox	Single-select listbox
h:selectOneMenu	Single-select menu
h:selectOneRadio	Set of radio buttons
h:selectBooleanCheckbox	Checkbox
h:selectManyCheckbox	Multiselect listbox
h:selectManyListbox	Multiselect listbox
h:selectManyMenu	Multiselect menu
h:panelGrid	HTML table
h:panelGroup	Two or more components that are laid out as one
h:dataTable	A feature-rich table component
h:column	Column in a data table

Section 7

Basic Attributes

Identifier for a component binding Reference to the component that can be used in a backing bean rendered A boolean; false suppresses rendering styleClass Cascading stylesheet (CSS) class name value A component's value, typically a value binding valueChangeListener A method binding to a method that responds to value changes converter Converter class name validator Class name of a validator that's created and attached to a component required A boolean; if true, requires a value to be entered in the associated field

Attribute	Description
id	Identifier for a component
binding	Reference to the component that can be used in a backing bean
rendered	A boolean; false suppresses rendering
styleClass	Cascading stylesheet (CSS) class name
value	A component's value, typically a value binding
valueChangeListener	A method binding to a method that responds to value changes
converter	Converter class name
validator	Class name of a validator that's created and attached to a component
required	A boolean; if true, requires a value to be entered in the associated field

Attributes for h:form

Attribute	Description
binding, id, rendered, styleClass	Basic attributes
accept, acceptcharset, dir, enctype, lang, style, target, title	HTML 4.0 attributes (acceptcharset corresponds to HTML accept-charset)
onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onreset, onsubmit	DHTML events

Attributes for h:inputText, h:inputSecret, h:inputTextarea, and h:inputHidden

Attribute	Description
cols	For h:inputTextarea only,number of columns
immediate	Process validation early in the life cycle
redisplay	For h:inputSecret only,when true, the input field's value is redisplayed when the web page is reloaded
required	Require input in the component when the form is submitted
rows	For h:inputTextarea only,number of rows
valueChangeListener	A specified listener that's notified of value changes
binding, converter, id, rendered, required, styleClass, value, validator	Basic attributes
accesskey, alt, dir, disabled, lang, maxlength, readonly, size, style, tabindex, title	HTML 4.0 pass-through attributes,alt, maxlength, and size do not apply to h:inputTextarea. None apply to h:inputHidden
onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onselect	DHTML events. None apply to h:inputHidden

Attributes for h:outputText and h:outputFormat

Attribute	Description
escape	If set to true, escapes <, >, and & characters. Default value is true.
binding, converter, id, rendered, styleClass, value	Basic at tributes
style, title	HTML 4.0

Attributes for h:outputLabel

Attribute	Description
for	The ID of the component to be labeled.
binding, converter, id, rendered, value	Basic attributes

Attributes for h:graphicImage

Attribute	Description
binding, id, rendered, styleClass, value	Basic attributes
alt, dir, height, ismap, lang, longdesc, style, title, url, usemap, width	HTML 4.0
onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup	DHTML events

Attributes for h:commandButton and h:commandLink

Attribute	Description
action	If specified as a string: Directly specifies an outcome used by the navigation handler to determine the JSF page to load next as a result of activating the button or link If specified as a method binding: The method has this signature: String methodName(); the string represents the outcome
actionListener	A method binding that refers to a method with this signature: void methodName(ActionEvent)
charset	For h:commandLink only,The character encoding of the linked reference
image	For h:commandButton only,A context-relative path to an image displayed in a button. If you specify this attribute, the HTML input's type will be image.
immediate	A boolean. If false (the default), actions and action listeners are invoked at the end of the request life cycle; if true, actions and action listeners are invoked at the beginning of the life cycle.
type	For h:commandButton: The type of the generated input element: button, submit, or reset. The default, unless you specify the image attribute, is submit. For h:commandLink: The content type of the linked resource; for example, text/html, image/ gif, or audio/basic
value	The label displayed by the button or link. You can specify a string or a value reference expression.
accesskey, alt, binding, id, lang, rendered, styleClass, value	Basic attributes
coords (h:commandLink only), dir, disabled (h:commandButton only), hreflang (h:commandLink only), lang, readonly, rel (h:commandLink only), rev (h:commandLink only), shape (h:commandLink only), style, tabindex, target (h:commandLink only), title, type	HTML 4.0
onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onselect	DHTML events

Attributes for h:outputLink

Attribute	Description
accesskey, binding, converter, id, lang, rendered, styleClass, value	Basic attributes
charset, coords, dir, hreflang, lang, rel, rev, shape, style, tabindex, target, title, type	HTML 4.0
onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup	DHTML events

Attributes for:

h:selectBooleanCheckbox,

h:selectManyCheckbox,

h:selectOneRadio,

h:selectOneListbox,

h:selectManyListbox,

h:selectOneMenu,

h:selectManyMenu

Attribute	Description
disabledClass	CSS class for disabled elements,for h:selectOneRadio and h:selectManyCheckbox only
enabledClass	CSS class for enabled elements,for h:selectOneRadio and h:selectManyCheckbox only
layout	Specification for how elements are laid out: lineDirection (horizontal) or pageDirection (vertical),for h:selectOneRadio and h:selectManyCheckbox only
binding, converter, id, immediate, styleClass, required, rendered, validator, value, valueChangeListener	Basic attributes
accesskey, border, dir, disabled, lang, readonly, style, size, tabindex, title	HTML 4.0,border is applicable to h:selectOneRadio and h:selectManyCheckbox only. size is applicable to h:selectOneListbox and h:selectManyListbox only
onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onselect	DHTML events

Attributes for h:message and h:messages

Attribute	Description
for	The ID of the component whose message is displayed,applicable only to h:message
errorClass	CSS class applied to error messages
errorStyle	CSS style applied to error messages
fatalClass	CSS class applied to fatal messages
fatalStyle	CSS style applied to fatal messages
globalOnly	Instruction to display only global messages,applicable only to h:messages. Default: false
infoClass	CSS class applied to information messages
infoStyle	CSS style applied to information messages
layout	Specification for message layout: table or list,applicable only to h:messages
showDetail	A boolean that determines whether message details are shown. Defaults are false for h:messages, true for h:message
showSummary	A boolean that determines whether message summaries are shown. Defaults are true for h:messages, false for h:message
tooltip	A boolean that determines whether message details are rendered in a tooltip; the tooltip is only rendered if showDetail and showSummary are true
warnClass	CSS class for warning messages
warnStyle	CSS style for warning messages
binding, id, rendered, styleClass	Basic attributes
style, title	HTML 4.0

Attributes for h:panelGrid

Attribute	Description
bgcolor	Background color for the table
border	Width of the table's border
cellpadding	Padding around table cells
cellspacing	Spacing between table cells
columnClasses	Comma-separated list of CSS classes for columns
columns	Number of columns in the table
footerClass	CSS class for the table footer
frame	Specification for sides of the frame surrounding the table that are to be drawn; valid values: none, above, below, hsides, vsides, lhs, rhs, box, border
headerClass	CSS class for the table header
rowClasses	Comma-separated list of CSS classes for columns
rules	Specification for lines drawn between cells; valid values: groups, rows, columns, all
summary	Summary of the table's purpose and structure used for non-visual feedback such as speech
binding, id, rendered, styleClass, value	Basic attributes
dir, lang, style, title, width	HTML 4.0
onclick, ondblclick, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup	DHTML events

Attributes for h:panelGroup

Attribute	Description
binding, id, rendered, styleClass	Basic attributes
style	HTML 4.0

Attributes for h:dataTable

Attribute	Description
bgcolor	Background color for the table
border	Width of the table's border
cellpadding	Padding around table cells
cellspacing	Spacing between table cells
columnClasses	Comma-separated list of CSS classes for columns
first	Index of the first row shown in the table
footerClass	CSS class for the table footer
frame	Frame Specification for sides of the frame surrounding the table that are to be drawn; valid values: none, above, below, hsides, vsides, lhs, rhs, box, border
headerClass	CSS class for the table header
rowClasses	Comma-separated list of CSS classes for rows
rules	Specification for lines drawn between cells; valid values: groups, rows, columns, all
summary	Summary of the table's purpose and structure used for nonvisual feedback such as speech
var	The name of the variable created by the data table that represents the current item in the value
binding, id, rendered, styleClass, value	Basic attributes
dir, lang, style, title, width	HTML 4.0
onclick, ondblclick, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup	DHTML events

Attributes for h:column

Attribute	Description
headerClass (JSF 1.2)	CSS class for the column's header
footerClass (JSF 1.2)	CSS class for the column's footer
binding, id, rendered	Basic attributes

Easy Web Development in Java

About This Refcard

Development Proces

page.jspx

faces-config.xml

com/corejsf/SampleBean.java

page.jspx

faces-config.xml

com/corejsf/SampleBean.java

page.jspx

com/corejsf/SampleBean.java

Validation and Conversion

page.jspx

Error Messages

page.jspx

Resources and Styles

page.jspx

faces-config.xml

com/corejsf/messages.properties

com/corejsf/messages_de.properties

styles.css

Table with links

page.jspx

com/corejsf/SampleBean.java

LifeCycle

faces-config.xml

web.xml

The JSF Expression Language (EL)

JSF Core Tags

JSF HTML TAGS

Basic Attributes

Attributes for h:form

Attributes for h:inputText, h:inputSecret, h:inputTextarea, and h:inputHidden

Attributes for h:outputText and h:outputFormat

Attributes for h:outputLabel

Attributes for h:graphicImage

Attributes for h:commandButton and h:commandLink

Attributes for h:outputLink

Attributes for:

Attributes for h:message and h:messages

Attributes for h:panelGrid

Attributes for h:panelGroup

Attributes for h:dataTable

Attributes for h:column

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