Package org.primefaces.component.avatar

Class AvatarRenderer

java.lang.Object

javax.faces.render.Renderer

org.primefaces.renderkit.CoreRenderer

org.primefaces.component.avatar.AvatarRenderer

public class AvatarRenderer
extends CoreRenderer

Field Summary

Fields inherited from class javax.faces.render.Renderer

PASSTHROUGH_RENDERER_LOCALNAME_KEY

Constructor Summary

Constructors

Constructor	Description
AvatarRenderer()

Method Summary

Modifier and Type	Method	Description
protected String	calculateLabel(javax.faces.context.FacesContext context, Avatar avatar)	Generates a label based on the text if its more than 2 characters.
void	encodeChildren(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component)
protected void	encodeDefaultContent(javax.faces.context.FacesContext context, Avatar avatar, String label)
void	encodeEnd(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component)
protected String	generateBackgroundColor(Avatar avatar)	Generates a dynamic color based on the hash of the label.
protected String	generateGravatar(javax.faces.context.FacesContext context, Avatar avatar)	Generate a Gravatar URL for an email addressed based on API docs.
protected void	generateMailHash(StringBuilder sb, String email)	Converts email address into a hash code for Gravatar API.
boolean	getRendersChildren()

Methods inherited from class org.primefaces.renderkit.CoreRenderer

buildAjaxRequest, buildAjaxRequest, buildAjaxRequest, buildDomEvent, buildNonAjaxRequest, buildNonAjaxRequest, decodeBehaviors, encodeClientBehaviors, encodeIndexedId, endsWithLenghtUnit, getEventBehaviors, getHighlighter, getIconOnlyButtonText, getResourceRequestPath, getResourceURL, getStyleBuilder, getStyleClassBuilder, getWidgetBuilder, isGrouped, isValueBlank, logDevelopmentWarning, preConfiguredAjaxRequestBuilder, preConfiguredAjaxRequestBuilder, renderAttribute, renderChild, renderChildren, renderDomEvent, renderDomEvents, renderDummyMarkup, renderDynamicPassThruAttributes, renderHiddenInput, renderOnchange, renderOnclick, renderPassThruAttributes, renderPassThruAttributes, renderPassThruAttributes, renderValidationMetadata, shouldRenderAttribute, shouldWriteId

Methods inherited from class javax.faces.render.Renderer

convertClientId, decode, encodeBegin, getConvertedValue

Methods inherited from class java.lang.Object

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

Constructor Details

AvatarRenderer

public AvatarRenderer()

Method Details

encodeEnd

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

Overrides:

encodeEnd in class javax.faces.render.Renderer

Throws:

IOException

encodeDefaultContent

protected void encodeDefaultContent(javax.faces.context.FacesContext context,
 Avatar avatar,
 String label)
                             throws IOException

Throws:

IOException

encodeChildren

public void encodeChildren(javax.faces.context.FacesContext context,
 javax.faces.component.UIComponent component)
                    throws IOException

Overrides:

encodeChildren in class javax.faces.render.Renderer

Throws:

IOException

getRendersChildren

public boolean getRendersChildren()

Overrides:

getRendersChildren in class javax.faces.render.Renderer

calculateLabel

protected String calculateLabel(javax.faces.context.FacesContext context,
 Avatar avatar)

Generates a label based on the text if its more than 2 characters. Example: PrimeFaces Rocks = PR

Parameters:

avatar - the Avatar component

Returns:

the calculated label text.

generateBackgroundColor

protected String generateBackgroundColor(Avatar avatar)

Generates a dynamic color based on the hash of the label.

Parameters:

avatar - to generate the color for

Returns:

the new color and background color styles

generateGravatar

protected String generateGravatar(javax.faces.context.FacesContext context,
 Avatar avatar)

Generate a Gravatar URL for an email addressed based on API docs.

Parameters:

context - the Face

avatar - the Avatar to create a Gravatar for

Returns:

the URL to retrieve the Gravatar image

See Also:

• Image Requests

generateMailHash

protected void generateMailHash(StringBuilder sb,
 String email)
                         throws NoSuchAlgorithmException

Converts email address into a hash code for Gravatar API.

Parameters:

sb - the Stringbuilder to add the email address to

email - the email to encode

Throws:

NoSuchAlgorithmException - if hash can't be encoded