- java.lang.Object
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- java.util.EventObject
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- javax.swing.event.HyperlinkEvent
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- 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 seeXMLEncoder
.
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Nested Class Summary
Nested Classes 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().
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Field Summary
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Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors 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.
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Method Summary
Methods 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 theInputEvent
that triggered the hyperlink event.Element
getSourceElement()
Returns theElement
that corresponds to the source of the event.URL
getURL()
Gets the URL that the link refers to.
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Constructor Detail
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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 eventtype
- the event typeu
- the affected URL
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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 eventtype
- the event typeu
- 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.
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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 eventtype
- the event typeu
- 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
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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 eventtype
- the event typeu
- 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 anchorinputEvent
- InputEvent that triggered the hyperlink event- Since:
- 1.7
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Method Detail
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getEventType
public HyperlinkEvent.EventType getEventType()
Gets the type of event.- Returns:
- the type
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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.
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getURL
public URL getURL()
Gets the URL that the link refers to.- Returns:
- the URL
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getSourceElement
public Element getSourceElement()
Returns theElement
that corresponds to the source of the event. This will typically be anElement
representing an anchor. If a constructur that is used that does not specify a sourceElement
, or null was specified as the sourceElement
, this will return null.- Returns:
- Element indicating source of event, or null
- Since:
- 1.4
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getInputEvent
public InputEvent getInputEvent()
Returns theInputEvent
that triggered the hyperlink event. This will typically be aMouseEvent
. If a constructor is used that does not specify anInputEvent
, or @{code null} was specified as theInputEvent
, this returnsnull
.- Returns:
- InputEvent that triggered the hyperlink event, or null
- Since:
- 1.7
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