de.mindmatters.faces.render.html
Class AbstractRendererBase

java.lang.Object
  javax.faces.render.Renderer
      de.mindmatters.faces.render.html.AbstractRendererBase

Direct Known Subclasses:

HtmlFormRenderer

public abstract class AbstractRendererBase
extends Renderer

AbstractRendererBase is a convenience base class that implements helper methods needed for any concrete renderer.

Author:

Andreas Kuhrwahl

Constructor Summary

AbstractRendererBase()

Method Summary

protected boolean	getBooleanAttribute(UIComponent component, java.lang.String attributeName) Converts an attribute of the given UIComponent component with the name attributeName to a boolean value.
protected void	writeBooleanPassThruAttributes(ResponseWriter writer, UIComponent component) Render any boolean "passthru" attributes.
protected void	writePassThruAttributes(ResponseWriter writer, UIComponent component) Render any "passthru" attributes, where we simply just output the raw name and value of the attribute.

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

AbstractRendererBase

public AbstractRendererBase()

Method Detail

getBooleanAttribute

protected final boolean getBooleanAttribute(UIComponent component,
                                            java.lang.String attributeName)

Converts an attribute of the given UIComponent component with the name attributeName to a boolean value.

Parameters:

component - The associated component

attributeName - The name of the attribute to convert

Returns:

true if the attribute exists and equals "true" false otherwise

writeBooleanPassThruAttributes

protected final void writeBooleanPassThruAttributes(ResponseWriter writer,
                                                    UIComponent component)
                                             throws java.io.IOException

Render any boolean "passthru" attributes.

Parameters:

writer - The Responsewriter to use

component - The associated component

Throws:

java.io.IOException - if an input/output error occurs

See Also:

writePassThruAttributes(ResponseWriter, UIComponent)

writePassThruAttributes

protected final void writePassThruAttributes(ResponseWriter writer,
                                             UIComponent component)
                                      throws java.io.IOException

Render any "passthru" attributes, where we simply just output the raw name and value of the attribute. This method is aware of the set of HTML4 attributes that fall into this bucket. Examples are all the javascript attributes, alt, rows, cols, etc.

Parameters:

writer - The Responsewriter to use

component - The associated component

Throws:

java.io.IOException - if an input/output error occurs