@Exported
    public String getUrl() {
        // first look for the manifest entry. This is new in maven-hpi-plugin 1.30
        String url = manifest.getMainAttributes().getValue("Url");
        if(url!=null)      return url;

        // fallback to update center metadata
        UpdateSite.Plugin ui = getInfo();
        if(ui!=null)    return ui.wiki;

        return null;
    }
@ Exported public String getUrl ( ) { String url = manifest . getMainAttributes ( ) . getValue ( "Url" ) ; if ( url != null ) return url ; UpdateSite . Plugin ui = getInfo ( ) ; if ( ui != null ) return ui . wiki ; return null ; }
Gets the URL that shows more information about this plugin.
@return
null if this information is unavailable.
@since 1.283