Class 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 JavaBeans™ has been added to the java.beans package. Please see XMLEncoder.

See Also:
Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class Description
static class  HyperlinkEvent.EventType

Defines the ENTERED, EXITED, and ACTIVATED event types, along with their string representations, returned by toString().

Field Summary

Fields declared in class java.util.EventObject

source

Constructor Summary

Constructors
Constructor 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

All Methods Instance Methods Concrete Methods
Modifier and Type Method 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 declared in class java.util.EventObject

getSource, toString

Methods declared in 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.

Returns:
the description of this link as a String

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 constructor 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