Cross-Origin Resource Sharing 처리

출처 : http://saltybeagle.com/2009/09/cross-origin-resource-sharing-demo/ 

아래 스크립트를 이용해서 안드로이드에서도 정상적으로 호출됩니다.

/**
 * This is for Cross-site Origin Resource Sharing (CORS) requests.
 * 
 * Additionally the script will fail-over to a proxy if you have one set up.
 * 
 * @param string   url      the url to retrieve
 * @param mixed    data     data to send along with the get request [optional]
 * @param function callback function to call on successful result [optional]
 * @param string   type     the type of data to be returned [optional]
 */
function getCORS(url, data, callback, type) {
    try {
        // Try using jQuery to get data
        jQuery.get(url, data, callback, type);
    } catch(e) {
        // jQuery get() failed, try IE8 CORS, or use the proxy
        if (jQuery.browser.msie && window.XDomainRequest) {
            // Use Microsoft XDR
            var xdr = new XDomainRequest();
            xdr.open("get", url);
            xdr.onload = function() {
                callback(this.responseText, 'success');
            };
            xdr.send();
        } else {
            try {
                // Ancient browser, use our proxy
                var mycallback = function() {
                    var textstatus = 'error';
                    var data = 'error';
                    if ((this.readyState == 4)
                        && (this.status == '200')) {
                        textstatus = 'success';
                        data = this.responseText;
                    }
                    callback(data, textstatus);
                };
                // proxy_xmlhttp is a separate script you'll have to set up
                request = new proxy_xmlhttp();
                request.open('GET', url, true);
                request.onreadystatechange = mycallback;
                request.send();
            } catch(e) {
                // Could not fetch using the proxy
            }
        }
    }
}

/**
 * This method is for Cross-site Origin Resource Sharing (CORS) POSTs
 *
 * @param string   url      the url to post to
 * @param mixed    data     additional data to send [optional]
 * @param function callback a function to call on success [optional]
 * @param string   type     the type of data to be returned [optional]
 */
function postCORS(url, data, callback, type)
{
    try {
        // Try using jQuery to POST
        jQuery.post(url, data, callback, type);
    } catch(e) {
        // jQuery POST failed
        var params = '';
        for (key in data) {
            params = params+'&'+key+'='+data[key];
        }
        // Try XDR, or use the proxy
        if (jQuery.browser.msie && window.XDomainRequest) {
            // Use XDR
            var xdr = new XDomainRequest();
            xdr.open("post", url);
            xdr.send(params);
            xdr.onload = function() {
                callback(xdr.responseText, 'success');
            };
        } else {
            try {
                // Use the proxy to post the data.
                request = new proxy_xmlhttp();
                request.open('POST', url, true);
                request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
                request.send(params);
            } catch(e) {
                // could not post using the proxy
            }
        }
    }
}