function getInputStream(path) { var file = Components.classes["@mozilla.org/file/directory_service;1"]. getService(Components.interfaces.nsIProperties). get("CurWorkD", Components.interfaces.nsILocalFile); var fis = Components.classes['@mozilla.org/network/file-input-stream;1']. createInstance(Components.interfaces.nsIFileInputStream); var split = path.split("/"); for(var i = 0; i < split.length; ++i) { file.append(split[i]); } fis.init(file, -1, -1, false); return fis; } function handleRequest(request, response) { var inputStream = getInputStream("tests/content/base/test/bug638112-response.txt") response.seizePower(); response.bodyOutputStream.writeFrom(inputStream, inputStream.available()); response.finish(); inputStream.close(); }