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ConnectionRequest request = new ConnectionRequest(url, true);
request.setContentType("text/xml");

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ConnectionRequest request = new ConnectionRequest(url, false);
request.setHttpMethod("HEAD");

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ConnectionRequest request = new ConnectionRequest(url +
    "MyArgName=" + Util.encodeUrl(value), false);

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ConnectionRequest request = new ConnectionRequest(url, false);
request.addArgument("MyArgName", value);

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NetworkManager.getInstance().updateThreadCount(4);

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ConnectionRequest request = new ConnectionRequest(url, false);
// request will be handled synchronously
NetworkManager.getInstance().addToQueueAndWait(request);
byte[] resultOfRequest = request.getData();

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ConnectionRequest request = new ConnectionRequest(url, false) {
   protected void readResponse(InputStream input) {
        // just read from the response input stream
   }

   protected void postResponse() {
        // invoked on the EDT after processing is complete to allow the networking code
        // to update the UI
   }

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ConnectionRequest request = new ConnectionRequest(url, false);
request.addResponseListener((e) -> {
    // process the response
});

// request will be handled asynchronously
NetworkManager.getInstance().addToQueue(request);

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Form hi = new Form("FileSystemTree", new BorderLayout());
TreeModel tm = new TreeModel() {
    @Override
    public Vector getChildren(Object parent) {
        String[] files;
        if(parent == null) {
            files = FileSystemStorage.getInstance().getRoots();
            return new Vector<Object>(Arrays.asList(files));
        } else {
            try {

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GZConnectionRequest con = new GZConnectionRequest();
con.addRequestHeader("Accept-Encoding", "gzip");