How can I use a payload instead of form-data for log4javascript

log4javascript

Solution

I've created a JsonAppender

function JsonAppender(url) {
    var isSupported = true;
    var successCallback = function(data, textStatus, jqXHR) { return; };
    if (!url) {
        isSupported = false;
    }
    this.setSuccessCallback = function(successCallbackParam) {
        successCallback = successCallbackParam;
    };
    this.append = function (loggingEvent) {
        if (!isSupported) {
            return;
        }
        $.post(url, {
            'logger': loggingEvent.logger.name,
            'timestamp': loggingEvent.timeStampInMilliseconds,
            'level': loggingEvent.level.name,
            'url': window.location.href,
            'message': loggingEvent.getCombinedMessages(),
            'exception': loggingEvent.getThrowableStrRep()
        }, successCallback, 'json');
    };
}

JsonAppender.prototype = new log4javascript.Appender();
JsonAppender.prototype.toString = function() {
    return 'JsonAppender';
};
log4javascript.JsonAppender = JsonAppender;

used like so

var logger = log4javascript.getLogger('clientLogger');
var jsonAppender = new JsonAppender(url);
logger.addAppender(jsonAppender);

Problem

I am bound to the restrictions of my webservice: It expects a json-payload! So, doing something like ``` var ajaxAppender = new log4javascript.AjaxAppender("clientLogger"); var jsonLayout = new log4javascript.JsonLayout(); ajaxAppender.setLayout(jsonLayout); log.addAppender(ajaxAppender); ``` won't work, as it creates two keys in the forms-collection (`data` and `layout`). How can I, with built-in options, get a json-payload?

Original source