org.omnifaces.util

Class Renderers

java.lang.Object

org.omnifaces.util.Renderers

public final class Renderers
extends Object

Collection of utility methods for the JSF API with respect to working with Renderer.

Since:

1.5

Author:

Bauke Scholtz

Field Summary

Fields

Modifier and Type	Field and Description
static String	RENDERER_TYPE_CSS Renderer type of standard JSF stylesheet component resource.
static String	RENDERER_TYPE_JS Renderer type of standard JSF script component resource.

Method Summary

Modifier and Type	Method and Description
static void	writeAttribute(ResponseWriter writer, String html, Object value) Write given attribute value, if it's not empty, as given HTML attribute name.
static void	writeAttribute(ResponseWriter writer, String html, Object value, String property) Write given attribute value, if it's not empty, as given HTML attribute name associated with given component property name.
static void	writeAttribute(ResponseWriter writer, UIComponent component, String name) Write component attribute of the given name, if it's not empty.
static void	writeAttribute(ResponseWriter writer, UIComponent component, String name, String html) Write component attribute of the given name, if it's not empty, as given HTML attribute name.
static void	writeAttribute(ResponseWriter writer, UIComponent component, String name, String html, String property) Write component attribute of the given name, if it's not empty, as given HTML attribute name associated with given component property name.
static void	writeAttributes(ResponseWriter writer, UIComponent component, Map<String,String> names) Write component attributes of the given property-HTML mapping of names, if it's not empty.
static void	writeAttributes(ResponseWriter writer, UIComponent component, String... names) Write component attributes of the given names, if it's not empty.
static void	writeIdAttributeIfNecessary(ResponseWriter writer, UIComponent component) Write ID of component if necessary.
static void	writeText(ResponseWriter writer, UIComponent component, String text, boolean escape) Write the given text either HTML-escaped or unescaped.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RENDERER_TYPE_CSS

public static final String RENDERER_TYPE_CSS

Renderer type of standard JSF stylesheet component resource.

See Also:

Constant Field Values

RENDERER_TYPE_JS

public static final String RENDERER_TYPE_JS

Renderer type of standard JSF script component resource.

See Also:

Constant Field Values

Method Detail

writeText

public static void writeText(ResponseWriter writer,
                             UIComponent component,
                             String text,
                             boolean escape)
                      throws IOException

Write the given text either HTML-escaped or unescaped. Beware of potential XSS attack holes when user-controlled input is written unescaped!

Parameters:

writer - The involved response writer.

component - The associated UI component, usually the parent component.

text - The text to be written.

escape - Whether to HTML-escape the given text or not.

Throws:

IOException - When an I/O error occurs.

writeAttribute

public static void writeAttribute(ResponseWriter writer,
                                  UIComponent component,
                                  String name)
                           throws IOException

Write component attribute of the given name, if it's not empty. Both HTML attribute name and component property name defaults to the given component attribute name.

Parameters:

writer - The involved response writer.

component - The associated UI component, usually the parent component.

name - The component attribute name whose value should be written.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeAttribute

public static void writeAttribute(ResponseWriter writer,
                                  UIComponent component,
                                  String name,
                                  String html)
                           throws IOException

Write component attribute of the given name, if it's not empty, as given HTML attribute name. Component property name defaults to the given component attribute name.

Parameters:

writer - The involved response writer.

component - The associated UI component, usually the parent component.

name - The component attribute name whose value should be written.

html - The HTML attribute name to be written.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeAttribute

public static void writeAttribute(ResponseWriter writer,
                                  UIComponent component,
                                  String name,
                                  String html,
                                  String property)
                           throws IOException

Write component attribute of the given name, if it's not empty, as given HTML attribute name associated with given component property name.

Parameters:

writer - The involved response writer.

component - The associated UI component, usually the parent component.

name - The component attribute name whose value should be written.

html - The HTML attribute name to be written.

property - The associated component property name.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeAttribute

public static void writeAttribute(ResponseWriter writer,
                                  String html,
                                  Object value)
                           throws IOException

Write given attribute value, if it's not empty, as given HTML attribute name. Component property name defaults to given HTML attribute name.

Parameters:

writer - The involved response writer.

html - The HTML attribute name to be written.

value - The HTML attribute value to be written.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeAttribute

public static void writeAttribute(ResponseWriter writer,
                                  String html,
                                  Object value,
                                  String property)
                           throws IOException

Write given attribute value, if it's not empty, as given HTML attribute name associated with given component property name.

Parameters:

writer - The involved response writer.

html - The HTML attribute name to be written.

value - The HTML attribute value to be written.

property - The associated component property name.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeAttributes

public static void writeAttributes(ResponseWriter writer,
                                   UIComponent component,
                                   String... names)
                            throws IOException

Write component attributes of the given names, if it's not empty. Both HTML attribute name and component property name defaults to the given component attribute name.

Parameters:

writer - The involved response writer.

component - The associated UI component, usually the parent component.

names - The names of the attributes to be written.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeAttributes

public static void writeAttributes(ResponseWriter writer,
                                   UIComponent component,
                                   Map<String,String> names)
                            throws IOException

Write component attributes of the given property-HTML mapping of names, if it's not empty. Map key will be used as component property name and map value will be used as HTML attribute name.

Parameters:

writer - The involved response writer.

component - The associated UI component, usually the parent component.

names - Mapping of component property-HTML attribute names of the attributes to be written.

Throws:

IOException - When an I/O error occurs.

See Also:

ResponseWriter.writeAttribute(String, Object, String)

writeIdAttributeIfNecessary

public static void writeIdAttributeIfNecessary(ResponseWriter writer,
                                               UIComponent component)
                                        throws IOException

Write ID of component if necessary. That is, when it's explicitly set or the component has client behaviors.

Parameters:

writer - The involved response writer.

component - The associated UI component.

Throws:

IOException - When an I/O error occurs.

Since:

2.5

See Also:

ResponseWriter.writeAttribute(String, Object, String)