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Java™ Platform
Standard Ed. 7

DRAFT ea-b118

javax.swing.event
Class HyperlinkEvent

java.lang.Object
  extended by java.util.EventObject
      extended by javax.swing.event.HyperlinkEvent
All Implemented Interfaces:
Serializable
Direct Known Subclasses:
HTMLFrameHyperlinkEvent

public class HyperlinkEvent
extends EventObject

HyperlinkEvent is used to notify interested parties that something has happened with respect to a hypertext link.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeansTM has been added to the java.beans package. Please see XMLEncoder.


Nested Class Summary
Modifier and Type Class and Description
static class HyperlinkEvent.EventType
          Defines the ENTERED, EXITED, and ACTIVATED event types, along with their string representations, returned by toString().
 
Field Summary
Modifier and Type Field and Description
 
Fields inherited from class java.util.EventObject
source
 
Constructor Summary
Constructor and Description
HyperlinkEvent(Object source, HyperlinkEvent.EventType type, URL u)
          Creates a new object representing a hypertext link event.
HyperlinkEvent(Object source, HyperlinkEvent.EventType type, URL u, String desc)
          Creates a new object representing a hypertext link event.
HyperlinkEvent(Object source, HyperlinkEvent.EventType type, URL u, String desc, Element sourceElement)
          Creates a new object representing a hypertext link event.
HyperlinkEvent(Object source, HyperlinkEvent.EventType type, URL u, String desc, Element sourceElement, InputEvent inputEvent)
          Creates a new object representing a hypertext link event.
 
Method Summary
Modifier and Type Method and Description
 String getDescription()
          Get the description of the link as a string.
 HyperlinkEvent.EventType getEventType()
          Gets the type of event.
 InputEvent getInputEvent()
          Returns the InputEvent that triggered the hyperlink event.
 Element getSourceElement()
          Returns the Element that corresponds to the source of the event.
 URL getURL()
          Gets the URL that the link refers to.
 
Methods inherited from class java.util.EventObject
getSource, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

HyperlinkEvent

public HyperlinkEvent(Object source,
                      HyperlinkEvent.EventType type,
                      URL u)
Creates a new object representing a hypertext link event. The other constructor is preferred, as it provides more information if a URL could not be formed. This constructor is primarily for backward compatibility.

Parameters:
source - the object responsible for the event
type - the event type
u - the affected URL

HyperlinkEvent

public HyperlinkEvent(Object source,
                      HyperlinkEvent.EventType type,
                      URL u,
                      String desc)
Creates a new object representing a hypertext link event.

Parameters:
source - the object responsible for the event
type - the event type
u - the affected URL. This may be null if a valid URL could not be created.
desc - the description of the link. This may be useful when attempting to form a URL resulted in a MalformedURLException. The description provides the text used when attempting to form the URL.

HyperlinkEvent

public HyperlinkEvent(Object source,
                      HyperlinkEvent.EventType type,
                      URL u,
                      String desc,
                      Element sourceElement)
Creates a new object representing a hypertext link event.

Parameters:
source - the object responsible for the event
type - the event type
u - the affected URL. This may be null if a valid URL could not be created.
desc - the description of the link. This may be useful when attempting to form a URL resulted in a MalformedURLException. The description provides the text used when attempting to form the URL.
sourceElement - Element in the Document representing the anchor
Since:
1.4

HyperlinkEvent

public HyperlinkEvent(Object source,
                      HyperlinkEvent.EventType type,
                      URL u,
                      String desc,
                      Element sourceElement,
                      InputEvent inputEvent)
Creates a new object representing a hypertext link event.

Parameters:
source - the object responsible for the event
type - the event type
u - the affected URL. This may be null if a valid URL could not be created.
desc - the description of the link. This may be useful when attempting to form a URL resulted in a MalformedURLException. The description provides the text used when attempting to form the URL.
sourceElement - Element in the Document representing the anchor
inputEvent - InputEvent that triggered the hyperlink event
Since:
1.7
Method Detail

getEventType

public HyperlinkEvent.EventType getEventType()
Gets the type of event.

Returns:
the type

getDescription

public String getDescription()
Get the description of the link as a string. This may be useful if a URL can't be formed from the description, in which case the associated URL would be null.


getURL

public URL getURL()
Gets the URL that the link refers to.

Returns:
the URL

getSourceElement

public Element getSourceElement()
Returns the Element that corresponds to the source of the event. This will typically be an Element representing an anchor. If a constructur that is used that does not specify a source Element, or null was specified as the source Element, this will return null.

Returns:
Element indicating source of event, or null
Since:
1.4

getInputEvent

public InputEvent getInputEvent()
Returns the InputEvent that triggered the hyperlink event. This will typically be a MouseEvent. If a constructor is used that does not specify an InputEvent, or @{code null} was specified as the InputEvent, this returns null.

Returns:
InputEvent that triggered the hyperlink event, or null
Since:
1.7

Java™ Platform
Standard Ed. 7

DRAFT ea-b118

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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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DRAFT ea-b118

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