Example usage for java.net HttpURLConnection setDoOutput

Introduction

In this page you can find the example usage for java.net HttpURLConnection setDoOutput.

Prototype

public void setDoOutput(boolean dooutput) 

Source Link

Document

Sets the value of the doOutput field for this URLConnection to the specified value.

Usage

From source file:com.parasoft.em.client.impl.JSONClient.java

private HttpURLConnection getConnection(String restPath) throws IOException {
    URL url = new URL(baseUrl + restPath);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setRequestProperty("Accept", "application/json");
    if (username != null) {
        String encoding = username + ":" + password;
        encoding = Base64.encodeBase64String(encoding.getBytes("UTF-8"));
        connection.setRequestProperty("Authorization", "Basic " + encoding);
    }/*from  w  w w. j  av  a 2  s . c  o  m*/
    return connection;
}

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From source file:io.ericwittmann.corsproxy.ProxyServlet.java

/**
 * @see javax.servlet.http.HttpServlet#service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 *///from ww w  .  ja va 2 s  . co  m
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String url = "https://issues.jboss.org" + req.getPathInfo();
    if (req.getQueryString() != null) {
        url += "?" + req.getQueryString();
    }

    System.out.println("Proxying to: " + url);
    boolean isWrite = req.getMethod().equalsIgnoreCase("post") || req.getMethod().equalsIgnoreCase("put");

    URL remoteUrl = new URL(url);
    HttpURLConnection remoteConn = (HttpURLConnection) remoteUrl.openConnection();
    if (isWrite) {
        remoteConn.setDoOutput(true);
    }

    String auth = req.getHeader("Authorization");
    if (auth != null) {
        remoteConn.setRequestProperty("Authorization", auth);
    }

    if (isWrite) {
        InputStream requestIS = null;
        OutputStream remoteOS = null;
        try {
            requestIS = req.getInputStream();
            remoteOS = remoteConn.getOutputStream();
            IOUtils.copy(requestIS, remoteOS);
            remoteOS.flush();
        } catch (Exception e) {
            e.printStackTrace();
            resp.sendError(500, e.getMessage());
            return;
        } finally {
            IOUtils.closeQuietly(requestIS);
            IOUtils.closeQuietly(remoteOS);
        }
    }

    InputStream remoteIS = null;
    OutputStream responseOS = null;
    try {
        Map<String, List<String>> headerFields = remoteConn.getHeaderFields();
        for (String headerName : headerFields.keySet()) {
            if (headerName == null) {
                continue;
            }
            if (EXCLUDE_HEADERS.contains(headerName)) {
                continue;
            }
            String headerValue = remoteConn.getHeaderField(headerName);
            resp.setHeader(headerName, headerValue);
        }
        resp.setHeader("Cache-control", "no-cache, no-store, must-revalidate"); //$NON-NLS-2$
        remoteIS = remoteConn.getInputStream();
        responseOS = resp.getOutputStream();
        IOUtils.copy(remoteIS, responseOS);
        resp.flushBuffer();
    } catch (Exception e) {
        e.printStackTrace();
        resp.sendError(500, e.getMessage());
    } finally {
        IOUtils.closeQuietly(responseOS);
        IOUtils.closeQuietly(remoteIS);
    }
}

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From source file:br.bireme.tb.URLS.java

/**
 * Given an url, loads its content (POST - method)
 * @param url url to be loaded//ww  w . jav a2 s .c o m
 * @param urlParameters post parameters
 * @return an array with the real location of the page (in case of redirect)
 * and its content.
 * @throws IOException
 */
public static String[] loadPagePost(final URL url, final String urlParameters) throws IOException {
    if (url == null) {
        throw new NullPointerException("url");
    }
    if (urlParameters == null) {
        throw new NullPointerException("urlParameters");
    }
    final String encodedParams = URLEncoder.encode(urlParameters, DEFAULT_ENCODING);
    //System.out.print("loading page (POST): [" + url + "] params: " + urlParameters);

    //Create connection
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    connection.setRequestProperty("Content-Length", "" + Integer.toString(encodedParams.getBytes().length));
    //.getBytes(DEFAULT_ENCODING).length));
    connection.setRequestProperty("Content-Language", "pt-BR");
    connection.setUseCaches(false);
    connection.setDoInput(true);
    connection.setDoOutput(true);
    try (DataOutputStream wr = new DataOutputStream(connection.getOutputStream())) {
        wr.write(encodedParams.getBytes(DEFAULT_ENCODING));
        //wr.writeBytes(urlParameters);
        wr.flush();
    }

    //Get Response
    final StringBuffer response = new StringBuffer();
    try (final BufferedReader rd = new BufferedReader(
            new InputStreamReader(connection.getInputStream(), DEFAULT_ENCODING))) {
        while (true) {
            final String line = rd.readLine();
            if (line == null) {
                break;
            }
            response.append(line);
            response.append('\n');
        }
    }
    connection.disconnect();

    return new String[] { url.toString() + "?" + urlParameters, response.toString() };
}

---

From source file:de.zib.scalaris.examples.wikipedia.plugin.fourcaast.FourCaastAccounting.java

protected void pushSdrToServer(final WikiPageBeanBase page) {
    if (!page.getServiceUser().isEmpty()) {
        final String sdr = createSdr(page);
        //            System.out.println("Sending sdr...\n" + sdr);
        try {//  w  ww. j av a2 s.com
            HttpURLConnection urlConn = (HttpURLConnection) accountingServer.openConnection();
            urlConn.setDoOutput(true);
            urlConn.setRequestMethod("PUT");
            OutputStreamWriter out = new OutputStreamWriter(urlConn.getOutputStream());
            out.write(sdr);
            out.close();

            //read the result from the server (necessary for the request to be send!)
            BufferedReader in = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = in.readLine()) != null) {
                sb.append(line + '\n');
            }
            //                System.out.println(sb.toString());
            in.close();
        } catch (ProtocolException e) {
            throw new RuntimeException(e);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}

---

From source file:com.threewks.analytics.client.AnalyticsClient.java

/**
 * Post JSON a URL. Ignore (but log) any errors.
 * /*  ww  w .ja  v a  2s  .c  o  m*/
 * @param url the URL to post the data to.
 * @param json the JSON data to post.
 */
void postJson(String url, String json) {
    PrintWriter writer = null;
    try {
        HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setConnectTimeout(5000);
        connection.setReadTimeout(5000);
        connection.setDoOutput(true);
        connection.setRequestProperty(API_KEY_HEADER, apiKey);
        connection.setRequestProperty(CONTENT_TYPE_HEADER, JSON_CONTENT_TYPE);
        writer = new PrintWriter(connection.getOutputStream(), true);
        writer.append(json);
        writer.close();

        int responseCode = connection.getResponseCode();
        if (responseCode != 200) {
            logger.warning(String.format(
                    "Analytics server returned HTTP response code: %s when posting data to url: %s",
                    responseCode, url));
        }
    } catch (Exception e) {
        logger.warning(String.format("Error sending data to url: %s, error: %s", url, e.getMessage()));
    } finally {
        IOUtils.closeQuietly(writer);
    }
}

---

From source file:com.iflytek.android.framework.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    VolleyLog.e("======setConnectionParametersForRequest:");
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards
        // compatibility.
        // If the request's post body is null, then the assumption is that
        // the request is
        // GET. Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length
            // explicitly,
            // since this is handled by HttpURLConnection using the size of
            // the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);/*from w  w w . j  a  v  a2 s  . c  o m*/
            out.close();
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection
        // defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:

        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        connection.setRequestMethod("PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

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From source file:to.noc.devicefp.server.service.MaxMindServiceImpl.java

private MaxMindLocation createFromWebService(String ip) {
    MaxMindLocation location = null;/*from   ww  w .  j  a v a 2s . c  o  m*/
    try {
        URL url = new URL("http://geoip.maxmind.com/e?l=" + maxMindLicenseKey + "&i=" + ip);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestMethod("GET");
        connection.setConnectTimeout(10 * 1000); // 10 seconds

        BufferedReader r = new BufferedReader(new InputStreamReader(connection.getInputStream(), "ISO-8859-1"));

        String resultsLine = r.readLine();
        connection.disconnect();

        if (resultsLine != null) {
            // Split on a comma only if it has zero or an even number of quotes
            // after it. Assumes quotes are never escaped.
            String values[] = resultsLine.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)");

            location = new MaxMindLocation();
            location.setIpAddress(ip);
            location.setStamp(new Date());

            for (GeoIpField field : GeoIpField.values()) {
                if (field.ordinal() >= values.length) {
                    break;
                }
                String val = values[field.ordinal()];
                // replace leading and trailing whitespace and quotes
                val = val.replaceAll("^\"?\\s*|\\s*\"?$", "");
                if (!val.isEmpty()) {
                    addLocationField(location, field, val);
                }
            }
        }
    } catch (Exception ex) {
        log.error("", ex);
        location = null;
    }
    return location;
}

---

From source file:ai.api.RequestTask.java

@Override
protected String doInBackground(final String... params) {
    final String payload = params[0];
    if (TextUtils.isEmpty(payload)) {
        throw new IllegalArgumentException("payload argument should not be empty");
    }//from ww  w.  j a v  a  2s  . c o  m

    String response = null;
    HttpURLConnection connection = null;

    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.addRequestProperty("Authorization", "Bearer " + accessToken);

        connection.connect();

        final BufferedOutputStream outputStream = new BufferedOutputStream(connection.getOutputStream());
        IOUtils.write(payload, outputStream, Charsets.UTF_8);
        outputStream.close();

        final InputStream inputStream = new BufferedInputStream(connection.getInputStream());
        response = IOUtils.toString(inputStream, Charsets.UTF_8);
        inputStream.close();

        return response;

    } catch (final IOException e) {
        Log.e(TAG,
                "Can't make request to the Speaktoit AI service. Please, check connection settings and API access token.",
                e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return null;
}

---

From source file:org.sample.nonblocking.TestClient.java

/**
 * Processes requests for both HTTP/*from   w w  w .jav  a 2 s .co  m*/
 * <code>GET</code> and
 * <code>POST</code> methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet TestClient</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet TestClient at " + request.getContextPath() + "</h1>");

        String path = "http://" + request.getServerName() + ":" + request.getServerPort()
                + request.getContextPath() + "/ReadTestServlet";
        out.println("Invoking the endpoint: " + path + "<br>");
        out.flush();
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setChunkedStreamingMode(2);
        conn.setDoOutput(true);
        conn.connect();
        try (BufferedWriter output = new BufferedWriter(new OutputStreamWriter(conn.getOutputStream()))) {
            out.println("Sending data ..." + "<br>");
            out.flush();
            output.write("Hello");
            output.flush();
            out.println("Sleeping ..." + "<br>");
            out.flush();
            Thread.sleep(5000);
            out.println("Sending more data ..." + "<br>");
            out.flush();
            output.write("World");
            output.flush();
            output.close();
        }
        out.println("<br><br>Check GlassFish server.log");
        out.println("</body>");
        out.println("</html>");
    } catch (InterruptedException | IOException ex) {
        Logger.getLogger(ReadTestServlet.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:cloudlens.engine.CL.java

public Object post(String urlString, String jsonData) throws IOException {
    final URL url = new URL(urlString);

    final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);/*from www .j  av a  2  s . c om*/
    final Matcher matcher = Pattern.compile("//([^@]+)@").matcher(urlString);
    if (matcher.find()) {
        final String encoding = Base64.getEncoder().encodeToString(matcher.group(1).getBytes());
        conn.setRequestProperty("Authorization", "Basic " + encoding);
    }
    conn.setRequestProperty("Content-Type", "application/json");
    conn.setRequestProperty("Accept", "*/*");
    conn.setRequestMethod("POST");

    try (final OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream())) {
        wr.write(jsonData);
        wr.flush();
    }
    try (final BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
        String line;
        final StringBuilder sb = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        final String s = StringEscapeUtils.escapeEcmaScript(sb.toString());
        final Object log = engine.eval(
                "CL.log=JSON.parse(\"" + s + "\").hits.hits.map(function (entry) { return entry._source})");
        return log;
    }
}

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