org.apache.shindig.gadgets.rewrite
Class AbsolutePathReferenceVisitor

java.lang.Object
  org.apache.shindig.gadgets.rewrite.AbsolutePathReferenceVisitor

All Implemented Interfaces:

DomWalker.Visitor

public class AbsolutePathReferenceVisitor
extends Object
implements DomWalker.Visitor

Visitor that resolves relative paths relative to the base tag (only if present) / current page url and marks urls as absolute.

Since:

2.0.0

Nested Class Summary

static class

AbsolutePathReferenceVisitor.Tags

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

DomWalker.Visitor.VisitStatus

Constructor Summary

AbsolutePathReferenceVisitor(AbsolutePathReferenceVisitor.Tags... resourceTags)

Method Summary

static Attr	getUriAttributeFromNode(Node node, Map<String,String> resourceTags) Returns the uri attribute for the given node by looking up the tag name -> uri attribute map.
boolean	revisit(Gadget gadget, List<Node> node) 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

AbsolutePathReferenceVisitor

@Inject
public AbsolutePathReferenceVisitor(AbsolutePathReferenceVisitor.Tags... resourceTags)

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> node)
                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.

node - Nodes being revisited, previously marked as reserved.

Returns:

True if any node modified, false otherwise.

Throws:

RewritingException

getUriAttributeFromNode

public static Attr getUriAttributeFromNode(Node node,
                                           Map<String,String> resourceTags)

Returns the uri attribute for the given node by looking up the tag name -> uri attribute map. NOTE: This function returns the node attribute only if the attribute has a non empty value.

Parameters:

node - The node to get uri attribute for.

resourceTags - Map from tag name -> uri attribute name.

Returns:

Uri attribute for the node.