Simple class for HTTP requests in Java and Android

SimpleJavaHttp.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

class SimpleJavaHttp {
    
    public static final String HTTP_GET = "GET";
    public static final String HTTP_POST = "POST";
    public static final String HTTP_DELETE = "DELETE";

    public static HttpResult makeHttpRequest(String method, String auth, String url_s, String body) throws IOException {
        URL url = new URL(url_s);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestProperty("Authorization", "Basic " + auth);
        connection.setRequestProperty("Connection", "close");
        connection.setConnectTimeout(6000);
        connection.setRequestMethod(method);

        if (body != null) {
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("Accept", "application/json");
            connection.setDoOutput(true);
            connection.setDoInput(true);

            OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
            wr.write(body);
            wr.flush();
        }

        int responseCode = connection.getResponseCode();
        if (responseCode >= 400)
            return new HttpResult(responseCode, null);

        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8"));
        CrLog("makeHttpRequest", method + ": url[" + url_s + "], responseCode[" + responseCode + "] body[" + body + "]");

        StringBuilder result = new StringBuilder("");
        String line = "";
        while ((line = br.readLine()) != null) {
            result.append(line);
        }
        br.close();
        connection.disconnect();

        if (result.length() != 0)
            return new HttpResult(responseCode, result.toString());
        else
            return new HttpResult(responseCode, null);
    }

    public static class HttpResult {
        private int responseCode;
        private String result;

        public HttpResult(int code, String r) {
            responseCode = code;
            result = r;
        }

        public String getResult() {
            return result;
        }

        public int getResponseCode() {
            return responseCode;
        }

        public JsonArray getAsJsonArray() {
            JsonElement element = new JsonParser().parse(result);
            if (result != null && element.isJsonArray())
                return element.getAsJsonArray();
            else
                return null;
        }

        public JsonObject getAsJsonObject() {
            JsonElement element = new JsonParser().parse(result);
            if (result != null && element.isJsonObject())
                return element.getAsJsonObject();
            else
                return null;
        }
        
        @Override
        public String toString() {
            return "responseCode[" + responseCode + "] responseBody[" + result + "]";
        }
    }
}