org.alfresco.web.ui.common.renderer

Class BaseRenderer

java.lang.Object

javax.faces.render.Renderer

org.alfresco.web.ui.common.renderer.BaseRenderer

Direct Known Subclasses:

ActionLinkRenderer, BaseMultiValueRenderer, BreadcrumbRenderer, DatePickerRenderer, ErrorsRenderer, ImagePickerRadioRenderer, ModeListRenderer, NodeDescendantsLinkRenderer, NodePathLinkRenderer, PropertySheetItemRenderer, RichListRenderer, SeparatorRenderer, YahooTreeRenderer

public abstract class BaseRenderer
extends Renderer

Base renderer class. Contains helper methods to assist most renderers.

Author:

kevinr

Constructor Summary

Constructors

Constructor and Description
BaseRenderer()

Method Summary

Modifier and Type	Method and Description
protected static void	assertParmeters(FacesContext ctx, UIComponent component) Ensures that the given context and component are not null.
protected static Map<String,String>	getParameterComponents(UIComponent component) Return the map of name/value pairs for any child UIParameter components.
protected static void	outputAttribute(ResponseWriter out, Object attr, String mapping) Helper to output an attribute to the output stream

Methods inherited from class javax.faces.render.Renderer

convertClientId, decode, encodeBegin, encodeChildren, encodeEnd, getConvertedValue, getRendersChildren

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseRenderer

public BaseRenderer()

Method Detail

outputAttribute

protected static void outputAttribute(ResponseWriter out,
                                      Object attr,
                                      String mapping)
                               throws IOException

Helper to output an attribute to the output stream

Parameters:

out - ResponseWriter

attr - attribute value object (cannot be null)

mapping - mapping to output as e.g. style="..."

Throws:

IOException

assertParmeters

protected static void assertParmeters(FacesContext ctx,
                                      UIComponent component)

Ensures that the given context and component are not null. This method should be called by all renderer methods that are given these parameters.

Parameters:

ctx - Faces context

component - The component

getParameterComponents

protected static Map<String,String> getParameterComponents(UIComponent component)

Return the map of name/value pairs for any child UIParameter components.

Parameters:

component - to find UIParameter child values for

Returns:

a Map of name/value pairs or null if none found