HttpRequestExecutor httpexecutor = new HttpRequestExecutor();
httpexecutor.setParams(params);
// Required request interceptors
httpexecutor.addInterceptor(new RequestContent());
httpexecutor.addInterceptor(new RequestTargetHost());
// Recommended request interceptors
httpexecutor.addInterceptor(new RequestConnControl());
httpexecutor.addInterceptor(new RequestUserAgent());
httpexecutor.addInterceptor(new RequestExpectContinue());