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net.sourceforge.jnlp
Interface LaunchHandler

All Known Implementing Classes:
DefaultLaunchHandler, GuiLaunchHandler

public interface LaunchHandler

This optional interface is used to handle conditions that occur while launching JNLP applications, applets, and installers.


Method Summary
 void launchCompleted(ApplicationInstance application)
          Called when an application, applet, or installer has been launched successfully (the main method or applet start method returned normally).
 void launchError(LaunchException exception)
          Called when the application could not be launched due to a fatal error, such as the inability to find the main class or non-parseable XML.
 void launchInitialized(JNLPFile file)
          Called when an application, applet or installer has been determined.
 void launchStarting(ApplicationInstance application)
          Called when an application, applet or installer is ready to start.
 boolean launchWarning(LaunchException warning)
          Called when launching the application can not be launched due to an error that is not fatal.
 boolean validationError(LaunchException security)
          Called when a security validation error occurs while launching the application.
 

Method Detail

launchError

void launchError(LaunchException exception)
Called when the application could not be launched due to a fatal error, such as the inability to find the main class or non-parseable XML.


launchWarning

boolean launchWarning(LaunchException warning)
Called when launching the application can not be launched due to an error that is not fatal. For example a JNLP file that is not strictly correct yet does not necessarily prohibit the system from attempting to launch the application.

Returns:
true if the launch should continue, false to abort

validationError

boolean validationError(LaunchException security)
Called when a security validation error occurs while launching the application.

Returns:
true to allow the application to continue, false to stop it.

launchInitialized

void launchInitialized(JNLPFile file)
Called when an application, applet or installer has been determined. We have some very basic information about the application at this point, but do not have everything required. This is a nice point to show the splash screen.

Parameters:
application - the application instance that is starting

launchStarting

void launchStarting(ApplicationInstance application)
Called when an application, applet or installer is ready to start. Good point to hide the splash screen.

Parameters:
application - the application instance that is ready

launchCompleted

void launchCompleted(ApplicationInstance application)
Called when an application, applet, or installer has been launched successfully (the main method or applet start method returned normally).

Parameters:
application - the launched application instance

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