Example usage for java.net URLConnection getOutputStream

Introduction

In this page you can find the example usage for java.net URLConnection getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:org.wso2.es.integration.common.utils.AssetsRESTClient.java

/**
 * This methods make a call to ES-Publisher REST API and obtain a valid sessionID
 *
 * @return SessionId for the authenticated user
 *///from ww  w. j a  va2  s .  c om
private String login() throws IOException {
    String sessionID = null;
    Reader input = null;
    BufferedWriter writer = null;
    String authenticationEndpoint = getBaseUrl() + PUBLISHER_APIS_AUTHENTICATE_ENDPOINT;
    //construct full authenticate endpoint
    try {
        //authenticate endpoint URL
        URL endpointUrl = new URL(authenticationEndpoint);
        URLConnection urlConn = endpointUrl.openConnection();
        urlConn.setDoInput(true);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        // Specify the content type.
        urlConn.setRequestProperty(CONTENT_TYPE_HEADER, CONTENT_TYPE);
        // Send POST output.
        writer = new BufferedWriter(new OutputStreamWriter(urlConn.getOutputStream()));
        String content = USERNAME + "=" + URLEncoder.encode(USERNAME_VAL, UTF_8) + "&" + PASSWORD + "="
                + URLEncoder.encode(PASSWORD_VAl, UTF_8);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Send Login Information : " + content);
        }
        writer.write(content);
        writer.flush();

        // Get response data.
        input = new InputStreamReader(urlConn.getInputStream());
        JsonElement elem = parser.parse(input);
        sessionID = elem.getAsJsonObject().getAsJsonObject(AUTH_RESPONSE_WRAP_KEY).get(SESSIONID).toString();
        if (LOG.isDebugEnabled()) {
            LOG.debug("Received SessionID : " + sessionID);
        }

    } catch (MalformedURLException e) {
        LOG.error(getLoginErrorMassage(authenticationEndpoint), e);
        throw e;
    } catch (IOException e) {
        LOG.error(getLoginErrorMassage(authenticationEndpoint), e);
        throw e;
    } finally {
        if (input != null) {
            try {
                input.close();// will close the URL connection as well
            } catch (IOException e) {
                LOG.error("Failed to close input stream ", e);
            }
        }
        if (writer != null) {
            try {
                writer.close();// will close the URL connection as well
            } catch (IOException e) {
                LOG.error("Failed to close output stream ", e);
            }
        }
    }
    return sessionID;
}

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From source file:net.solarnetwork.node.support.HttpClientSupport.java

/**
 * HTTP POST data as {@code application/x-www-form-urlencoded} (e.g. a web
 * form) to a URL./*from  w ww. jav a  2s .c o m*/
 * 
 * @param url
 *        the URL to post to
 * @param accept
 *        the value to use for the Accept HTTP header
 * @param data
 *        the data to encode and send as the body of the HTTP POST
 * @return the URLConnection after the post data has been sent
 * @throws IOException
 *         if any IO error occurs
 * @throws RuntimeException
 *         if the HTTP response code is not within the 200 - 299 range
 */
protected URLConnection postXWWWFormURLEncodedData(String url, String accept, Map<String, ?> data)
        throws IOException {
    URLConnection conn = getURLConnection(url, HTTP_METHOD_POST, accept);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    String body = xWWWFormURLEncoded(data);
    log.trace("Encoded HTTP POST data {} as {}", data, body);
    OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
    FileCopyUtils.copy(new StringReader(body), out);
    if (conn instanceof HttpURLConnection) {
        HttpURLConnection http = (HttpURLConnection) conn;
        int status = http.getResponseCode();
        if (status < 200 || status > 299) {
            throw new RuntimeException("HTTP result status not in the 200-299 range: " + http.getResponseCode()
                    + " " + http.getResponseMessage());
        }
    }
    return conn;
}

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From source file:com.adaptris.core.runtime.AdapterRegistry.java

@Override
public void persist(String data, URLString configUrl) throws CoreException, IOException {
    assertNotNull(configUrl, EXCEPTION_MSG_URL_NULL);
    URL url = configUrl.getURL();
    OutputStream out = null;/*  ww  w  .j  a va  2 s  .c o  m*/
    try {
        if ("file".equalsIgnoreCase(url.getProtocol())) {
            out = new FileOutputStream(FsHelper.createFileReference(url));
            persist(data, out);
        } else {
            URLConnection urlConnection = url.openConnection();
            urlConnection.setDoOutput(true);
            out = urlConnection.getOutputStream();
            persist(data, out);
        }
    } finally {
        IOUtils.closeQuietly(out);
    }
}

---

From source file:org.dspace.license.CCLookup.java

/**
 * Passes a set of "answers" to the web service and retrieves a license.
 *
 * @param licenseId The identifier of the license class being requested.
 * @param answers A Map containing the answers to the license fields;
 *          each key is the identifier of a LicenseField, with the value
 *          containing the user-supplied answer.
 * @param lang The language to request localized elements in.
 *
 * @throws IOException/*from ww w  . j  av a  2  s. c  om*/
 *
 * @see CCLicense
 * @see Map
 */
public void issue(String licenseId, Map answers, String lang) throws IOException {

    // Determine the issue URL
    String issueUrl = this.cc_root + "/license/" + licenseId + "/issue";
    // Assemble the "answers" document
    String answer_doc = "<answers>\n<locale>" + lang + "</locale>\n" + "<license-" + licenseId + ">\n";
    Iterator keys = answers.keySet().iterator();

    try {
        String current = (String) keys.next();

        while (true) {
            answer_doc += "<" + current + ">" + (String) answers.get(current) + "</" + current + ">\n";
            current = (String) keys.next();
        }

    } catch (NoSuchElementException e) {
        // exception indicates we've iterated through the
        // entire collection; just swallow and continue
    }
    // answer_doc +=   "<jurisdiction></jurisidiction>\n";  FAILS with jurisdiction argument
    answer_doc += "</license-" + licenseId + ">\n</answers>\n";
    String post_data;

    try {
        post_data = URLEncoder.encode("answers", "UTF-8") + "=" + URLEncoder.encode(answer_doc, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        return;
    }

    URL post_url;
    try {
        post_url = new URL(issueUrl);
    } catch (MalformedURLException e) {
        return;
    }
    URLConnection connection = post_url.openConnection();
    // this will not be needed after I'm done TODO: remove
    connection.setDoOutput(true);
    OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
    writer.write(post_data);
    writer.flush();
    // end TODO
    try {
        // parsing document from input stream
        java.io.InputStream stream = connection.getInputStream();
        this.license_doc = this.parser.build(stream);
    } catch (JDOMException jde) {
        log.warn(jde.getMessage());
    } catch (Exception e) {
        log.warn(e.getCause());
    }
    return;
}

---

From source file:com.intranet.intr.inbox.SupControllerInbox.java

@RequestMapping("Inboxphp.htm")
public ModelAndView Inboxphp(ModelAndView mav, Principal principal) {
    String name = principal.getName();
    List<correoNoLeidos> lta = null;
    int numTodoscorreosNum = 0;
    Map<String, String> datosEnv = new HashMap<String, String>();
    datosEnv.put("nombre", "pepe");
    datosEnv.put("apellido", "Gonzalez");
    Gson gson = new Gson();
    String jsonOutput = gson.toJson(datosEnv);
    try {/*  w w  w .  j a  v a2s . com*/
        //Usamos URLencode para poder enviar la cadena
        jsonOutput = URLEncoder.encode("key", "UTF-8") + "=" + URLEncoder.encode(jsonOutput, "UTF-8");
        //Establecemos la conexion y enviamos los datos
        URL url = new URL("http://localhost/php/index.php");
        URLConnection con = (URLConnection) url.openConnection();
        con.setDoOutput(true);
        OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream());
        wr.write(jsonOutput);
        wr.flush();
        //Recibimos los datos
        BufferedReader recv = new BufferedReader(new InputStreamReader(con.getInputStream()));
        //Los mostramos por pantalla
        String s = recv.readLine();
        while (s != null) {
            System.out.println(s);
            s = recv.readLine();
        }
    } catch (Exception ex) {
    }
    //ModelAndView mav=new ModelAndView();
    String r = validaInterfacesRoles.valida();
    mav.addObject("menu", r);
    mav.addObject("numCT", numTodoscorreosNum);
    mav.addObject("lta", lta);
    mav.setViewName("Inbox");
    return mav;
}

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From source file:BRHInit.java

public JSONObject json_rpc(String method, JSONArray params) throws Exception {
    URLConnection conn = rpc_url.openConnection();
    if (cookie != null)
        conn.addRequestProperty("cookie", cookie);

    JSONObject request = new JSONObject();

    request.put("id", false);
    request.put("method", method);
    request.put("params", params);

    conn.setDoOutput(true);/*w w w .ja v  a  2 s .  com*/
    OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
    try {
        wr.write(request.toString());
        wr.flush();
    } finally {
        wr.close();
    }

    // Get the response
    InputStreamReader rd = new InputStreamReader(conn.getInputStream());
    try {
        JSONTokener tokener = new JSONTokener(rd);
        return (JSONObject) tokener.nextValue();
    } finally {
        rd.close();
    }
}

---

From source file:com.qualogy.qafe.gwt.server.RPCServiceImpl.java

public String getUI(String xmlUI) throws GWTServiceException {
    String url = null;/*from  w  w  w  . ja v  a 2 s. c  o m*/
    if (service.isValidXML(xmlUI)) {
        logger.fine("XML Send by client : \n" + xmlUI);

        try {

            String urlBase = ApplicationCluster.getInstance()
                    .getConfigurationItem(Configuration.FLEX_DEMO_WAR_URL);
            if (urlBase == null || urlBase.length() == 0) {
                urlBase = getThreadLocalRequest().getScheme() + "://" + getThreadLocalRequest().getServerName()
                        + ":" + getThreadLocalRequest().getServerPort() + "/qafe-web-flex";
            }

            String urlStore = urlBase + "/store";
            logger.fine("URL Store is =" + urlStore);

            OutputStreamWriter wr = null;
            BufferedReader rd = null;

            try {
                // Send data
                URL requestURL = new URL(urlStore);
                URLConnection conn = requestURL.openConnection();
                conn.setDoOutput(true);
                wr = new OutputStreamWriter(conn.getOutputStream());
                String data = "xml" + "=" + xmlUI;
                wr.write(data);
                wr.flush();

                // Get the response
                rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                String line;
                while ((line = rd.readLine()) != null) {
                    url = urlBase + "/index.jsp?uuid=" + line;
                    logger.fine(url);
                }
            } finally {
                wr.close();
                rd.close();
            }
        } catch (Exception e) {
            throw handleException(e);
        }
    } else {
        try {
            service.getUIFromXML(xmlUI, null, null, getLocale());
        } catch (Exception e) {
            throw handleException(e);
        }
    }
    return url;
}

---

From source file:fr.free.divde.webcam.WebcamApplet.java

public void sendImage(JSObject parameters) {
    final String url = (String) parameters.getMember("url");
    final String format = (String) getJSProperty(parameters, "format", "png");
    final Map<String, Object> headers = getJSMapProperty(parameters, "headers");
    final JSObject callback = (JSObject) getJSProperty(parameters, "callback", null);
    imageCapture.captureImage(new ImageListener() {
        @Override//from   www.jav  a2s.  c  o  m
        public void nextFrame(BufferedImage image) {
            try {
                URL urlObject = new URL(getDocumentBase(), url);
                URLConnection connection = urlObject.openConnection();
                connection.setDoOutput(true);
                setHeaders(connection, headers);
                if (connection.getRequestProperty("content-type") == null) {
                    // default content type
                    connection.setRequestProperty("content-type", "image/" + format);
                }
                OutputStream out = connection.getOutputStream();
                ImageIO.write(image, format, out);
                out.flush();
                out.close();
                if (callback != null) {
                    StringWriter response = new StringWriter();
                    IOUtils.copy(connection.getInputStream(), response, "UTF-8");
                    callJS(callback, response.toString());
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

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From source file:TSAClient.java

private byte[] getTSAResponse(byte[] request) throws IOException {
    LOG.debug("Opening connection to TSA server");

    // todo: support proxy servers
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);//w w w  .  j  av  a2  s  . c  o  m
    connection.setDoInput(true);
    connection.setRequestProperty("Content-Type", "application/timestamp-query");

    LOG.debug("Established connection to TSA server");

    if (username != null && password != null && !username.isEmpty() && !password.isEmpty()) {
        connection.setRequestProperty(username, password);
    }

    // read response
    OutputStream output = null;
    try {
        output = connection.getOutputStream();
        output.write(request);
    } finally {
        IOUtils.closeQuietly(output);
    }

    LOG.debug("Waiting for response from TSA server");

    InputStream input = null;
    byte[] response;
    try {
        input = connection.getInputStream();
        response = IOUtils.toByteArray(input);
    } finally {
        IOUtils.closeQuietly(input);
    }

    LOG.debug("Received response from TSA server");

    return response;
}

---

From source file:nl.welteninstituut.tel.la.importers.fitbit.FitbitTask.java

public String postUrl(String url, String data, String authorization) {
    StringBuilder result = new StringBuilder();

    try {//from w  w w  .  ja  v  a 2 s . c om
        URLConnection conn = new URL(url).openConnection();
        // conn.setConnectTimeout(30);
        conn.setDoOutput(true);

        if (authorization != null)
            conn.setRequestProperty("Authorization",
                    "Basic " + new String(new Base64().encode(authorization.getBytes())));
        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(data);
        wr.flush();

        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        while ((line = rd.readLine()) != null) {
            result.append(line);
        }
        wr.close();
        rd.close();

    } catch (Exception e) {
    }

    return result.toString();
}

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