pjs/extensions/xml-rpc/test/xml-rpc.xul

<?xml version="1.0"?>

<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>

<window title="XML-RPC test" 
    style="margins: 5 5 5 5"
    xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

<script language="javascript"><![CDATA[
function getClient() {
    return Components.classes['@mozilla.org/xml-rpc/client;1']
        .createInstance(Components.interfaces.nsIXmlRpcClient);
}

var xmlRpcClient;
function getXmlRpc() {
    if (!xmlRpcClient) xmlRpcClient = getClient();
    return xmlRpcClient;
}

function callAsync() {
    dump('Call Async\n');
    var xmlRpc = getXmlRpc();
    xmlRpc.init('http://betty.userland.com/RPC2');
    var stateCode = xmlRpc.createType(xmlRpc.INT, {});
    stateCode.data = document.getElementById('statecode').value;

    xmlRpc.asyncCall(Listener, null, 'examples.getStateName', [stateCode], 1);
}

// Broken still. :(
function callSync() {
    dump('Call Sync\n');
    var xmlRpc = getXmlRpc();
    xmlRpc.init('http://betty.userland.com/RPC2');
    var stateCode = xmlRpc.createType(xmlRpc.INT, {});
    stateCode.data = document.getElementById('statecode').value;

    result = xmlRpc.call('examples.getStateName', [stateCode], 1);
    result = result.QueryInterface(Components.interfaces.nsISupportsString);
    document.getElementById('statename').setAttribute('value', result.data);
}

var Listener = {
    onResult: function(client, ctxt, result) {
        result = result.QueryInterface(Components.interfaces.nsISupportsString);
        document.getElementById('statename').setAttribute('value', result.data);
    },

    onFault: function(client, ctxt, fault) {
        dump('Fault! ' + fault + '\n');
    },

    onError: function(client, ctxt, status, errorMsg) {
        dump('Error! <(' + status.toString(16) + ') ' + errorMsg + '>\n');
    }
};
]]></script>

<box orient="vertical" flex="1">
<spring flex="1"/>
<text value="Enter a state code:"/>
<textbox id="statecode"/>
<text value="Statename:"/>
<text id="statename" value=" "/>
<spring flex="1"/>
</box>

<box orient="vertical">
<spring flex="1"/>
<button value="Call Async." onclick="callAsync()"/>
<button value="Call Sync." onclick="callSync()"/>
<spring flex="1"/>
</box>
</window>