Interface java.applet.AppletStub - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Interface java.applet.AppletStub

public interface AppletStub

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:: setStub

appletResize(int, int): Called when the applet wants to be resized.
getAppletContext(): Gets a handler to the applet's context.
getCodeBase(): Gets the base URL.
getDocumentBase(): Gets the document URL.
getParameter(String): Returns the value of the named parameter in the HTML tag.
isActive(): Determines if the applet is active.

isActive

 public abstract boolean isActive()

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

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

getDocumentBase

 public abstract URL getDocumentBase()

Gets the document URL.

Returns:: the URL of the document containing the applet.

getCodeBase

 public abstract URL getCodeBase()

Gets the base URL.

Returns:: the URL of the applet.

getParameter

 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.

getAppletContext

 public abstract AppletContext getAppletContext()

Gets a handler to the applet's context.

Returns:: the applet's context.

appletResize

 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.

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