Java javax.accessibility Class AccessibleHyperlink（JDK8）

Constructor Detail

• AccessibleHyperlink

  public AccessibleHyperlink()

Method Detail

• isValid

  public abstract boolean isValid()

  Since the document a link is associated with may have changed, this method returns whether or not this Link is still valid (with respect to the document it references).

  Returns:

  a flag indicating whether this link is still valid with respect to the AccessibleHypertext it belongs to

• getAccessibleActionCount

  public abstract int getAccessibleActionCount()

  Returns the number of accessible actions available in this Link If there are more than one, the first one is NOT considered the "default" action of this LINK object (e.g. in an HTML imagemap). In general, links will have only one AccessibleAction in them.

  Specified by:

  getAccessibleActionCount in interface AccessibleAction

  Returns:

  the zero-based number of Actions in this object

• doAccessibleAction

  public abstract boolean doAccessibleAction(int i)

  Performs the specified Action on the object

  Specified by:

  doAccessibleAction in interface AccessibleAction

  Parameters:

  i - zero-based index of actions

  Returns:

  true if the action was performed; otherwise false.

  See Also:

  getAccessibleActionCount()

• getAccessibleActionDescription

  public abstract String getAccessibleActionDescription(int i)

  Returns a String description of this particular link action. This should be a text string associated with anchoring text, this should be the anchor text. E.g. from HTML: <a HREF="http://www.sun.com/access">Accessibility</a> this method would return "Accessibility". Similarly, from this HTML: <a HREF="#top"><img src="top-hat.gif" alt="top hat"></a> this method would return "top hat"

  Specified by:

  getAccessibleActionDescription in interface AccessibleAction

  Parameters:

  i - zero-based index of the actions

  Returns:

  a String description of the action

  See Also:

  getAccessibleActionCount()

• getAccessibleActionObject

  public abstract Object getAccessibleActionObject(int i)

  Returns an object that represents the link action, as appropriate for that link. E.g. from HTML: <a HREF="http://www.sun.com/access">Accessibility</a> this method would return a java.net.URL("http://www.sun.com/access.html");

  Parameters:

  i - zero-based index of the actions

  Returns:

  an Object representing the hypertext link itself

  See Also:

  getAccessibleActionCount()

• getAccessibleActionAnchor

  public abstract Object getAccessibleActionAnchor(int i)

  Returns an object that represents the link anchor, as appropriate for that link. E.g. from HTML: <a href="http://www.sun.com/access">Accessibility</a> this method would return a String containing the text: "Accessibility". Similarly, from this HTML: <a HREF="#top"><img src="top-hat.gif" alt="top hat"></a> this might return the object ImageIcon("top-hat.gif", "top hat");

  Parameters:

  i - zero-based index of the actions

  Returns:

  an Object representing the hypertext anchor

  See Also:

  getAccessibleActionCount()

• getStartIndex

  public abstract int getStartIndex()

  Gets the index with the hypertext document at which this link begins

  Returns:

  index of start of link

• getEndIndex

  public abstract int getEndIndex()

  Gets the index with the hypertext document at which this link ends

  Returns:

  index of end of link