public interface

AppletStub

java.applet.AppletStub
Known Indirect Subclasses

Class Overview

When an applet is first created, an applet stub is attached to it using the applet's setStub method. This stub serves as the interface between the applet and the browser environment or applet viewer environment in which the application is running.

See Also

Summary

Public Methods
abstract void appletResize(int width, int height)
Called when the applet wants to be resized.
abstract AppletContext getAppletContext()
Returns the applet's context.
abstract URL getCodeBase()
Gets the base URL.
abstract URL getDocumentBase()
Gets the URL of the document in which the applet is embedded.
abstract String getParameter(String name)
Returns the value of the named parameter in the HTML tag.
abstract boolean isActive()
Determines if the applet is active.

Public Methods

public abstract void appletResize (int width, int height)

Called when the applet wants to be resized.

Parameters
width the new requested width for the applet.
height the new requested height for the applet.

public abstract AppletContext getAppletContext ()

Returns the applet's context.

Returns
  • the applet's context.

public abstract URL getCodeBase ()

Gets the base URL. This is the URL of the directory which contains the applet.

Returns
  • the base URL of the directory which contains the applet.
See Also

public abstract URL getDocumentBase ()

Gets the URL of the document in which the applet is embedded. For example, suppose an applet is contained within the document: 

    http://java.sun.com/products/jdk/1.2/index.html
The document base is: 
    http://java.sun.com/products/jdk/1.2/index.html

Returns
  • the URL of the document that contains the applet.
See Also

public abstract String getParameter (String name)

Returns the value of the named parameter in the HTML tag. For example, if an applet is specified as 

 <applet code="Clock" width=50 height=50>
 <param name=Color value="blue">
 </applet>

then a call to getParameter("Color") returns the value "blue".

Parameters
name a parameter name.
Returns
  • the value of the named parameter, or null if not set.

public abstract boolean isActive ()

Determines if the applet is active. An applet is active just before its start method is called. It becomes inactive just before its stop method is called.

Returns
  • true if the applet is active; false otherwise.