Sorry, I think I may have it working now. The trick was the
Cache-Control header (adding in "no-store"), but requiring us to set
Cache-Control headers doesn't sound to me like "Transparent Back
Button Support." The modelChanged() call did nothing for me (not that
I know for sure that's what I was supposed to be doing yet). Here's
the version of the page that works in FF:
public class HomePage extends WebPage
{
private static final long serialVersionUID = 1L;
private static final Logger log = LoggerFactory.getLogger(HomePage.class);
private int counter;
public HomePage( final PageParameters parameters )
{
log.info("I'm (identity " + System.identityHashCode(this) + ")
being instantiated." );
final Label label = new Label("message", new LoadableDetachableModel()
{
protected Object load()
{
return "I've been called " + counter + " times.";
}
});
add(label);
add(new Link("refreshLink")
{
public void onClick()
{
counter++;
log.info("I'm being called on object with identity " +
System.identityHashCode(HomePage.this));
}
});
}
protected void setHeaders( WebResponse webResponse )
{
super.setHeaders(webResponse);
webResponse.setHeader("Cache-Control", "no-store, no-cache,
max-age=0, must-revalidate");
}
public int getCounter()
{
return counter;
}
protected Object writeReplace() throws ObjectStreamException
{
final Object replacement = super.writeReplace();
log.info("I'm (identity " + System.identityHashCode(this) + ")
being write replaced by object " + replacement);
return replacement;
}
}
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