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Java Source Code / Java Documentation » Testing » abbot 1.0.1 » abbot.util

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

abbot.util .EventDispatchExceptionHandler

All known Subclasses:   abbot.script .EventExceptionHandler,  abbot.util .EDTExceptionCatcher,
EventDispatchExceptionHandler
public class EventDispatchExceptionHandler (Code)
Handler for uncaught exceptions on any event dispatch thread. Once this has been installed, the class must be accessible by any subsequently launched dispatch thread.
This handler is installed by setting the System property sun.awt.exception.handler. See javadoc for java.awt.EventDispatchThread for details. This is sort of a patch to Sun's implementation, which only checks the property once and caches the result ever after. This implementation will always chain to the handler indicated by the current value of the property.
It is most definitely NOT safe to try to install several of these on different threads.

Field Summary
final public static String PROP_NAME
     See javadoc for java.awt.EventDispatchThread.

Method Summary
protected void exceptionCaught(Throwable thrown)
     Define this to handle the exception as needed.
public void handle(Throwable thrown)
     Handle exceptions thrown on the event dispatch thread.
public void install()
     Install a handler for event dispatch exceptions.
public static boolean isInstalled()


Field Detail
PROP_NAME
final public static String PROP_NAME(Code)
See javadoc for java.awt.EventDispatchThread.

Method Detail
exceptionCaught
protected void exceptionCaught(Throwable thrown)(Code)
Define this to handle the exception as needed. Default prints a warning to System.err.

handle
public void handle(Throwable thrown)(Code)
Handle exceptions thrown on the event dispatch thread.

install
public void install()(Code)
Install a handler for event dispatch exceptions. This is kind of a hack, but it's Sun's hack. See the javadoc for java.awt.EventDispatchThread for details. NOTE: we throw an exception immediately, which ensures that our handler is installed, since otherwise someone might set this property later. java.awt.EventDispatchThread doesn't actually load the handler specified by the property until an exception is caught by the event dispatch thread. SwingSet2 in 1.4.1 installs its own. Note that a new instance is created for each exception thrown.
throws:
  RuntimeException - if the handler cannot be installed.
throws:
  IllegalStateException - if this method is invoked from an eventdispatch thread.
throws:
  IllegalArgumentException - if the given class is not derivedfrom this one. // TODO: read the private static field// String EventDispatchThread.handlerClassName and override it if// necessary.

isInstalled
public static boolean isInstalled()(Code)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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