org.apache.cocoon.portal.layout.renderer.aspect.impl
Class AbstractCompositeAspect

java.lang.Object
  extended byorg.apache.avalon.framework.logger.AbstractLogEnabled
      extended byorg.apache.cocoon.portal.layout.renderer.aspect.impl.AbstractAspect
          extended byorg.apache.cocoon.portal.layout.renderer.aspect.impl.AbstractCompositeAspect
All Implemented Interfaces:
LogEnabled, RendererAspect, Serviceable, ThreadSafe
Direct Known Subclasses:
CompositeContentAspect

public abstract class AbstractCompositeAspect
extends AbstractAspect

Insert a composite layout's elements into the resulting XML. Elements (items) are processed in order. Concrete descendents of this class need to implement the actual handling of layout elements.

Applicable to:

Version:
$Id: AbstractCompositeAspect.java 322471 2005-10-16 13:24:19Z cziegeler $

Field Summary
 
Fields inherited from class org.apache.cocoon.portal.layout.renderer.aspect.impl.AbstractAspect
manager
 
Fields inherited from interface org.apache.cocoon.portal.layout.renderer.aspect.RendererAspect
ROLE
 
Constructor Summary
AbstractCompositeAspect()
           
 
Method Summary
protected abstract  void processItem(Item item, ContentHandler handler, PortalService service)
          Process a single layout element.
protected  void processLayout(Layout layout, PortalService service, ContentHandler handler)
          Default implementation for processing a Layout.
 void toSAX(RendererAspectContext context, Layout layout, PortalService service, ContentHandler handler)
          Stream out raw layout
 
Methods inherited from class org.apache.cocoon.portal.layout.renderer.aspect.impl.AbstractAspect
prepareConfiguration, service
 
Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled
enableLogging, getLogger, setupLogger, setupLogger, setupLogger
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AbstractCompositeAspect

public AbstractCompositeAspect()
Method Detail

toSAX

public void toSAX(RendererAspectContext context,
                  Layout layout,
                  PortalService service,
                  ContentHandler handler)
           throws SAXException
Description copied from interface: RendererAspect
Stream out raw layout

Specified by:
toSAX in interface RendererAspect
Overrides:
toSAX in class AbstractAspect
Throws:
SAXException
See Also:
RendererAspect.toSAX(org.apache.cocoon.portal.layout.renderer.aspect.RendererAspectContext, org.apache.cocoon.portal.layout.Layout, org.apache.cocoon.portal.PortalService, org.xml.sax.ContentHandler)

processItem

protected abstract void processItem(Item item,
                                    ContentHandler handler,
                                    PortalService service)
                             throws SAXException
Process a single layout element.

Parameters:
item - layout item to be processed
handler - SAX handler taking events
service - portal service providing component access
Throws:
SAXException

processLayout

protected void processLayout(Layout layout,
                             PortalService service,
                             ContentHandler handler)
                      throws SAXException
Default implementation for processing a Layout. Calls the associated renderer for a layout to render it.

Throws:
SAXException


Copyright ? 1999-2005 The Apache Software Foundation. All Rights Reserved.