org.apache.shindig.gadgets.rewrite

Class ImageAttributeRewriter.ImageAttributeVisitor

java.lang.Object

org.apache.shindig.gadgets.rewrite.ImageAttributeRewriter.ImageAttributeVisitor

All Implemented Interfaces:

DomWalker.Visitor

Enclosing class:

ImageAttributeRewriter

public static class ImageAttributeRewriter.ImageAttributeVisitor
extends Object
implements DomWalker.Visitor

Visitor that injects height/width attributes for tags, if needed to reduce the page reflows.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.shindig.gadgets.rewrite.DomWalker.Visitor

DomWalker.Visitor.VisitStatus

Constructor Summary

Constructors

Constructor and Description
ImageAttributeRewriter.ImageAttributeVisitor(RequestPipeline requestPipeline, ExecutorService executor)

Method Summary

Methods

Modifier and Type	Method and Description
static HttpRequest	buildHttpRequest(Gadget gadget, Uri imgUri)
boolean	revisit(Gadget gadget, List<Node> nodes) Revisit a node in the DOM that was marked by the visit(Gadget, Node) as reserved during DOM traversal.
DomWalker.Visitor.VisitStatus	visit(Gadget gadget, Node node) Visit a particular Node in the DOM.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageAttributeRewriter.ImageAttributeVisitor

public ImageAttributeRewriter.ImageAttributeVisitor(RequestPipeline requestPipeline,
                                            ExecutorService executor)

Method Detail

visit

public DomWalker.Visitor.VisitStatus visit(Gadget gadget,
                                  Node node)
                                    throws RewritingException

Description copied from interface: DomWalker.Visitor

Visit a particular Node in the DOM.

Specified by:

visit in interface DomWalker.Visitor

Parameters:

gadget - Context for the request.

node - Node being visited.

Returns:

Status, see VisitStatus

Throws:

RewritingException

revisit

public boolean revisit(Gadget gadget,
              List<Node> nodes)
                throws RewritingException

Description copied from interface: DomWalker.Visitor

Revisit a node in the DOM that was marked by the visit(Gadget, Node) as reserved during DOM traversal.

Specified by:

revisit in interface DomWalker.Visitor

Parameters:

gadget - Context for the request.

nodes - Nodes being revisited, previously marked as reserved.

Returns:

True if any node modified, false otherwise.

Throws:

RewritingException

buildHttpRequest

public static HttpRequest buildHttpRequest(Gadget gadget,
                           Uri imgUri)
                                    throws GadgetException

Throws:

GadgetException