use ${empty(var)} rather than != null.
On Sun, 04 Jul 2004 19:50:15 +0200, Peter Nabbefeld
<[EMAIL PROTECTED]> wrote:
> Dion Gillard schrieb:
>
> >Try:
> >
> ><core:if test="${var != null}">
> ></core:if>
> >
> >
> >
> Thank You for Your answer, but it doesn't work. In the following
> fragment I've changed 'org.jdesktop.jdic.desktop.Desktop' to
> 'org.jdesktop.jdic.desktop.Desktoppo', and that should give me the error
> message - but it leads me to 'otherwise' and states, that this is just a
> simple test.
>
> <j:catch var="help.browser.exception">
> <j:new var="help.browser.url" className="java.net.URL">
> <j:arg type="java.lang.String"
> value="http://www.example.com/index.html"/>
> </j:new>
> <j:invokeStatic className="org.jdesktop.jdic.desktop.Desktoppo"
> method="browse">
> <j:arg type="java.net.URL" value="${help.browser.url}"/>
> </j:invokeStatic>
> </j:catch>
> <j:choose>
> <j:when test="${help.browser.exception != null}">
> <j:invokeStatic className="javax.swing.JOptionPane"
> method="showMessageDialog">
> <j:arg type="java.awt.Component"/>
> <j:set var="help.browser.error.message.1"
> encode="false"><![CDATA[<html>A problem occured while starting the
> browser.<br>Possible cause: jdic package not installed.<br>see:
> https://jdic.dev.java.net/<br>]]></j:set>
> <j:set var="help.browser.error.message.2"
> encode="false"><![CDATA[</html>]]></j:set>
> <j:arg type="java.lang.Object"
> value="${help.browser.error.message.1} --${help.browser.exception}--
> ${help.browser.error.message.2}"/>
> </j:invokeStatic>
> </j:when>
> <j:otherwise>
> <j:invokeStatic className="javax.swing.JOptionPane"
> method="showMessageDialog">
> <j:arg type="java.awt.Component"/>
> <j:set var="help.browser.test.message"
> encode="false"><![CDATA[<html>This is just a <i>simple</i>
> test.</html>]]></j:set>
> <j:arg type="java.lang.Object"
> value="${help.browser.test.message} ${help.browser.exception}"/>
> </j:invokeStatic>
> </j:otherwise>
> </j:choose>
>
> Any idea?
>
>
>
> Kind regards
>
> Peter Nabbefeld
>
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