String theMethod = "GET";
String theUri = "/theuri";
String theETag = "this is my eTag";
HttpRequest request = new BasicHttpRequest(theMethod, theUri);
request.addHeader("Accept-Encoding", "gzip");
Header[] headers = new Header[] {
new BasicHeader("Date", DateUtils.formatDate(new Date())),
new BasicHeader("Last-Modified", DateUtils.formatDate(new Date())),
new BasicHeader("ETag", theETag) };