Method sendRequest

server/src/test/java/com/cloud/api/APITest.java:51–115

Sending an api request through Http GET @param command command name @param params command query parameters in a HashMap @return http request response string

(String command, HashMap<String, String> params)

     * @return http request response string
     */
    protected String sendRequest(String command, HashMap<String, String> params) {
        try {
            // Construct query string
            StringBuilder sBuilder = new StringBuilder();
            sBuilder.append("command=");
            sBuilder.append(command);
            if (params != null && params.size() > 0) {
                Iterator<String> keys = params.keySet().iterator();
                while (keys.hasNext()) {
                    String key = keys.next();
                    sBuilder.append("&");
                    sBuilder.append(key);
                    sBuilder.append("=");
                    sBuilder.append(URLEncoder.encode(params.get(key), "UTF-8"));
                }
            }

            // Construct request url
            String reqUrl = rootUrl + "?" + sBuilder.toString();

            // Send Http GET request
            URL url = new URL(reqUrl);
            HttpURLConnection conn = (HttpURLConnection)url.openConnection();
            conn.setRequestMethod("GET");

            if (!command.equals("login") && cookieToSent != null) {
                // add the cookie to a request
                conn.setRequestProperty("Cookie", cookieToSent);
            }
            conn.connect();

            if (command.equals("login")) {
                // if it is login call, store cookie
                String headerName = null;
                for (int i = 1; (headerName = conn.getHeaderFieldKey(i)) != null; i++) {
                    if (headerName.equals("Set-Cookie")) {
                        String cookie = conn.getHeaderField(i);
                        cookie = cookie.substring(0, cookie.indexOf(";"));
                        String cookieName = cookie.substring(0, cookie.indexOf("="));
                        String cookieValue = cookie.substring(cookie.indexOf("=") + 1, cookie.length());
                        cookieToSent = cookieName + "=" + cookieValue;
                    }
                }
            }

            // Get the response
            StringBuilder response = new StringBuilder();
            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            try {
                while ((line = rd.readLine()) != null) {
                    response.append(line);
                }
            } catch (EOFException ex) {
                // ignore this exception
                System.out.println("EOF exception due to java bug");
            }
            rd.close();