public PropertyDescriptor[] getPropertyDescriptors() 
{
        List proplist = new ArrayList();
        try
        {
            proplist.add(new PropertyDescriptor("class", //$NON-NLS-1$
                CaptionTag.class, null, "setClass")); //$NON-NLS-1$
            proplist.add(new PropertyDescriptor("dir", //$NON-NLS-1$
                CaptionTag.class, null, "setDir")); //$NON-NLS-1$
            proplist.add(new PropertyDescriptor("id", //$NON-NLS-1$
                CaptionTag.class, null, "setId")); //$NON-NLS-1$
            proplist.add(new PropertyDescriptor("lang", //$NON-NLS-1$
                CaptionTag.class, null, "setLang")); //$NON-NLS-1$
            proplist.add(new PropertyDescriptor("media", //$NON-NLS-1$
                CaptionTag.class, null, "setMedia")); //$NON-NLS-1$
            proplist.add(new PropertyDescriptor("style", //$NON-NLS-1$
                CaptionTag.class, null, "setStyle")); //$NON-NLS-1$
            proplist.add(new PropertyDescriptor("title", //$NON-NLS-1$
                CaptionTag.class, null, "setTitle")); //$NON-NLS-1$
            // make ATG Dynamo happy:
            // Attribute "className" of tag "caption" in taglib descriptor file displaytag-11.tld" must have a
            // corresponding property in class "org.displaytag.tags.CaptionTag" with a public setter method
            proplist.add(new PropertyDescriptor("className", //$NON-NLS-1$
                CaptionTag.class, null, "setClass")); //$NON-NLS-1$
        }
        catch (IntrospectionException ex)
        {
            throw new UnhandledException("You got an introspection exception - maybe defining a property that is not"
                + " defined in the CaptionTag?: "
                + ex.getMessage(), ex);
        }
        PropertyDescriptor[] result = new PropertyDescriptor[proplist.size()];
        return ((PropertyDescriptor[]) proplist.toArray(result));
}