appserver/admingui/common/src/main/resources/gadgets/log.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!--

    Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.

    This program and the accompanying materials are made available under the
    terms of the Eclipse Public License v. 2.0, which is available at
    http://www.eclipse.org/legal/epl-2.0.

    This Source Code may also be made available under the following Secondary
    Licenses when the conditions for such availability set forth in the
    Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
    version 2 with the GNU Classpath Exception, which is available at
    https://www.gnu.org/software/classpath/license.html.

    SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0

-->

<Module id="foo">
    <ModulePrefs title="Log Gadget" />
    <UserPref name="NotUsed" default_value="abc" />
    <Content type="html">
        <![CDATA[
            <form>
                <input id="msg" type="text" />
                <input type="button" value=" Send Message to Log " onClick="sendLogMessage(document.getElementById('msg').value);" />
            </form>
            <script type="text/javascript">
                function sendLogMessage(theMsg) {

                    /*
                    admingui.gadget.invoke(
                        "getChildrenTable",
                        {
                            objectNameStr: "amx:pp=/domain/configs/config[server-config],type=iiop-service",
                            childType: "iiop-listener",
                            result: "#{requestScope.listOfRows}"
                        });
                    */

                    admingui.gadget.invoke("println", {value: theMsg});

                    /*
                    admingui.gadget.invoke("dumpSessionAttributes",
                        {
                            value: "#{requestScope.doesnotmatter}"
                        });
                    */
                    admingui.gadget.invoke("roundTo2DecimalPoint",
                        {
                            input: "33.638377",
                            output: "#{requestScope.foo}"
                        });
                    var response = admingui.gadget.getResponse();
                    if (response) {
                        alert(response.output);
                    } else {
                        alert('A JSF2 bug may be causing the response to not yet be set because synchronous requests are not yet supported!');
                    }
                    /*
                    alert(response.result[1].Port);
                    alert(response.result[1].Name);
                    */
                }
            </script>
        ]]>
    </Content>
</Module>