org.springframework.faces.ui

Class BaseComponentRenderer

java.lang.Object

javax.faces.render.Renderer

org.springframework.faces.ui.BaseComponentRenderer

Direct Known Subclasses:

BaseSpringJavascriptComponentRenderer

public abstract class BaseComponentRenderer
extends javax.faces.render.Renderer

Base Renderer for typical faces components, handling the rendering for common UIComponent attributes.

Author:

Jeremy Grelle

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	log

Fields inherited from class javax.faces.render.Renderer

PASSTHROUGH_RENDERER_LOCALNAME_KEY

Constructor Summary

Constructors

Constructor and Description
BaseComponentRenderer()

Method Summary

Methods

Modifier and Type	Method and Description
void	encodeBegin(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component) Renders the opening portion of the tag, prior to any children.
void	encodeEnd(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component) Closes the tag after children have been rendered.
protected java.util.Map	getAttributeAliases(javax.faces.component.UIComponent component)
protected java.util.Map	getAttributeCallbacks(javax.faces.component.UIComponent component)
protected abstract java.lang.String[]	getAttributesToRender(javax.faces.component.UIComponent component)
protected abstract java.lang.String	getRenderedTagName(javax.faces.component.UIComponent component)
protected void	writeAttributes(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component) Writes the attributes for this tag.

Methods inherited from class javax.faces.render.Renderer

convertClientId, decode, encodeChildren, getConvertedValue, getRendersChildren

Methods inherited from class java.lang.Object

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

Field Detail

log

protected org.apache.commons.logging.Log log

Constructor Detail

BaseComponentRenderer

public BaseComponentRenderer()

Method Detail

getAttributeCallbacks

protected java.util.Map getAttributeCallbacks(javax.faces.component.UIComponent component)

Returns:

a map of registered RenderAttributeCallbacks for attributes that require special rendering logic

encodeBegin

public void encodeBegin(javax.faces.context.FacesContext context,
               javax.faces.component.UIComponent component)
                 throws java.io.IOException

Renders the opening portion of the tag, prior to any children.

Overrides:

encodeBegin in class javax.faces.render.Renderer

Throws:

java.io.IOException

writeAttributes

protected void writeAttributes(javax.faces.context.FacesContext context,
                   javax.faces.component.UIComponent component)
                        throws java.io.IOException

Writes the attributes for this tag.

Parameters:

context - the current FacesContext

component - the UIComponent being rendered

Throws:

java.io.IOException

encodeEnd

public void encodeEnd(javax.faces.context.FacesContext context,
             javax.faces.component.UIComponent component)
               throws java.io.IOException

Closes the tag after children have been rendered.

Overrides:

encodeEnd in class javax.faces.render.Renderer

Throws:

java.io.IOException

getRenderedTagName

protected abstract java.lang.String getRenderedTagName(javax.faces.component.UIComponent component)

Parameters:

component - TODO

Returns:

the name of the tag to be rendered.

getAttributesToRender

protected abstract java.lang.String[] getAttributesToRender(javax.faces.component.UIComponent component)

Returns:

an array of the tag attributes to be rendered

getAttributeAliases

protected java.util.Map getAttributeAliases(javax.faces.component.UIComponent component)

Returns:

a map that returns the bean property name for any attribute that doesn't map directly (i.e., the 'class' attribute maps to the 'styleClass' bean property)