jodd-http/src/main/java/jodd/http/HttpBrowser.java
protected HttpResponse _sendRequest(final HttpRequest httpRequest, final HttpResponse previouseResponse) {
		if (!keepAlive) {
			httpRequest.open(httpConnectionProvider);
		} else {
			// keeping alive
			if (previouseResponse == null) {
				httpRequest.open(httpConnectionProvider).connectionKeepAlive(true);
			} else {
				httpRequest.keepAlive(previouseResponse, true);
			}
		}

		return httpRequest.send();
	}
protected HttpResponse _sendRequest(final HttpRequest httpRequest, final HttpResponse previouseResponse) {
		if (!keepAlive) {
			httpRequest.open(httpConnectionProvider);
		} else {
			// keeping alive
			if (previouseResponse == null) {
				httpRequest.open(httpConnectionProvider).connectionKeepAlive(true);
			} else {
				httpRequest.keepAlive(previouseResponse, true);
			}
		}

		return httpRequest.send();
	}
Opens connection and sends a response.