I have content that I render that may or may not have a URL associated
with it. I don't want to display anything if the URL is blank.
I use ExternalLink for the URLs. As I place a reference to the link in
my markup I need to instantiate an ExternalLink object in the
corresponding page/panel classes using an anonymous class with
overridden isVisible method:
add(
new ExternalLink("externallink",
"http://"; + content.getUrl(),
contentList.getUrl())
{
public boolean isVisible()
{
WHAT DO I TEST FOR HERE TO CHECK IF A NON NULL
AND
NON BLANK URL WAS PROVIDED BY
content.getUrl()? return what?;
}
}
);
I don't know what attribute or method to text to access the URL that is
configured by the ExternalLink constructor. If it's stored as a string I
basically want to go return true if (url != null && url.length() > 0)
but after handing the URL onto the contructor I don't know how to get it
back to test it.
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